| 1999-04-05 | vs PHI | 1 | L 4-7 | 0-1 | 4 | 47,522 | Tom Glavine | Curt Schilling | Curt Schilling | Tom Glavine | Jeff Brantley | 4 | 7 | -3 |
| 1999-04-06 | vs PHI | 2 | W 11-3 | 0-2 | 4 | 29,183 | Greg Maddux | Chad Ogea | Greg Maddux | Chad Ogea | Derrin Ebert | 15 | 10 | 5 |
| 1999-04-07 | vs PHI | 3 | W 4-0 | 1-2 | 4 | 32,164 | John Smoltz | Carlton Loewer | John Smoltz | Carlton Loewer | | 19 | 10 | 9 |
| 1999-04-08 | vs PHI | 4 | L 3-6 | 1-3 | 4 | 47,225 | Kevin Millwood | Paul Byrd | Paul Byrd | Kevin Millwood | Jeff Brantley | 22 | 16 | 6 |
| 1999-04-09 | vs ARI | 5 | W 3-2 | 2-3 | 4 | 34,939 | Odalis Perez | Omar Daal | John Rocker | John Frascatore | | 25 | 18 | 7 |
| 1999-04-10 | vs ARI | 6 | L 3-8 | 2-4 | 4 | 44,531 | Tom Glavine | Randy Johnson | Randy Johnson | Tom Glavine | | 28 | 26 | 2 |
| 1999-04-11 | vs ARI | 7 | W 3-2 | 3-4 | 4 | 32,454 | Greg Maddux | Todd Stottlemyre | Kevin McGlinchy | Gregg Olson | | 31 | 28 | 3 |
| 1999-04-12 | @ PHI | 8 | W 8-6 | 4-4 | 3 | 37,582 | John Smoltz | Carlton Loewer | Mike Cather | Ken Ryan | Rudy Seanez | 39 | 34 | 5 |
| 1999-04-14 | @ PHI | 9 | W 10-4 | 4-5 | 4 | 16,287 | Kevin Millwood | Paul Byrd | Kevin Millwood | Paul Byrd | | 49 | 38 | 11 |
| 1999-04-17 | @ COL | 10 | L 4-5 | 4-6 | 4 | 42,510 | Tom Glavine | Darryl Kile | Chuck McElroy | John Rocker | | 53 | 43 | 10 |
| 1999-04-18 | @ COL | 11 | W 20-5 | 4-7 | 4 | 44,285 | Greg Maddux | Pedro Astacio | Greg Maddux | Pedro Astacio | | 73 | 48 | 25 |
| 1999-04-19 | @ LAN | 12 | W 11-3 | 4-8 | 4 | 31,454 | John Smoltz | Carlos Perez | John Smoltz | Carlos Perez | | 84 | 51 | 33 |
| 1999-04-20 | @ LAN | 13 | L 4-5 | 4-9 | 5 | 37,717 | Kevin Millwood | Darren Dreifort | Darren Dreifort | Kevin Millwood | Jeff Shaw | 88 | 56 | 32 |
| 1999-04-21 | @ LAN | 14 | W 11-4 | 4-10 | 5 | 31,902 | Odalis Perez | Kevin Brown | Mike Remlinger | Jeff Kubenka | | 99 | 60 | 39 |
| 1999-04-23 | @ FLO | 15 | L 1-9 | 4-11 | 5 | 21,713 | Tom Glavine | Livan Hernandez | Livan Hernandez | Tom Glavine | | 100 | 69 | 31 |
| 1999-04-24 | @ FLO | 16 | W 8-7 | 5-11 | 5 | 32,591 | Greg Maddux | Jesus Sanchez | Greg Maddux | Brian Edmondson | John Rocker | 108 | 76 | 32 |
| 1999-04-25 | @ FLO | 17 | W 5-1 | 6-11 | 4 | 28,636 | John Smoltz | Brian Meadows | John Smoltz | Brian Meadows | | 113 | 77 | 36 |
| 1999-04-26 | @ FLO | 18 | W 5-3 | 7-11 | 4 | 15,397 | Kevin Millwood | Dennis Springer | Rudy Seanez | Antonio Alfonseca | | 118 | 80 | 38 |
| 1999-04-27 | vs PIT | 19 | L 3-5 | 7-12 | 4 | 26,990 | Odalis Perez | Jason Schmidt | Jason Schmidt | Odalis Perez | Mike Williams | 121 | 85 | 36 |
| 1999-04-28 | vs PIT | 20 | W 5-4 | 8-12 | 3 | 29,615 | Tom Glavine | Chris Peters | Tom Glavine | Jason Christiansen | | 126 | 89 | 37 |
| 1999-04-29 | vs PIT | 21 | W 8-1 | 9-12 | 3 | 32,017 | Greg Maddux | Jose Silva | Greg Maddux | Jose Silva | | 134 | 90 | 44 |
| 1999-04-30 | vs CIN | 22 | W 3-0 | 10-12 | 3 | 36,923 | John Smoltz | Steve Avery | John Smoltz | Steve Avery | | 137 | 90 | 47 |
| 1999-05-01 | vs CIN | 23 | W 5-1 | 11-12 | 3 | 47,097 | Kevin Millwood | Pete Harnisch | Kevin Millwood | Pete Harnisch | | 142 | 91 | 51 |
| 1999-05-02 | vs CIN | 24 | W 5-3 | 12-12 | 3 | 42,036 | Odalis Perez | Denny Neagle | Odalis Perez | Denny Neagle | John Rocker | 147 | 94 | 53 |
| 1999-05-03 | vs SLN | 25 | W 4-2 | 13-12 | 3 | 37,676 | Tom Glavine | Jose Jimenez | Mike Remlinger | Jose Jimenez | John Rocker | 151 | 96 | 55 |
| 1999-05-04 | vs SLN | 26 | L 1-9 | 13-13 | 3 | 39,161 | Greg Maddux | Kent Mercker | Manny Aybar | Greg Maddux | | 152 | 105 | 47 |
| 1999-05-05 | vs SLN | 27 | W 12-3 | 13-14 | 3 | 44,350 | John Smoltz | Kent Bottenfield | John Smoltz | Kent Bottenfield | | 164 | 108 | 56 |
| 1999-05-07 | @ SDN | 28 | L 3-4 | 13-15 | 3 | 26,765 | Kevin Millwood | Matt Clement | Brian Boehringer | John Rocker | Trevor Hoffman | 167 | 112 | 55 |
| 1999-05-08 | @ SDN | 29 | W 11-1 | 14-15 | 3 | 52,973 | Tom Glavine | Andy Ashby | Tom Glavine | Andy Ashby | | 178 | 113 | 65 |
| 1999-05-09 | @ SDN | 30 | L 0-5 | 14-16 | 3 | 23,711 | Greg Maddux | Sterling Hitchcock | Sterling Hitchcock | Greg Maddux | | 178 | 118 | 60 |
| 1999-05-10 | @ SFN | 31 | L 1-4 | 14-17 | 3 | 14,694 | John Smoltz | Russ Ortiz | Russ Ortiz | John Smoltz | Robb Nen | 179 | 122 | 57 |
| 1999-05-11 | @ SFN | 32 | W 9-8 | 15-17 | 3 | 18,917 | Odalis Perez | Shawn Estes | John Rocker | Felix Rodriguez | | 188 | 130 | 58 |
| 1999-05-12 | @ SFN | 33 | L 1-5 | 15-18 | 3 | 18,550 | Kevin Millwood | Chris Brock | Chris Brock | Kevin Millwood | | 189 | 135 | 54 |
| 1999-05-14 | @ CHN | 34 | L 0-9 | 15-19 | 3 | 40,046 | Tom Glavine | Jon Lieber | Jon Lieber | Tom Glavine | | 189 | 144 | 45 |
| 1999-05-15 | @ CHN | 35 | L 1-5 | 15-20 | 3 | 40,332 | Greg Maddux | Steve Trachsel | Steve Trachsel | Greg Maddux | | 190 | 149 | 41 |
| 1999-05-16 | @ CHN | 36 | W 8-5 | 16-20 | 3 | 39,915 | John Smoltz | Kyle Farnsworth | Kevin McGlinchy | Rodney Myers | John Rocker | 198 | 154 | 44 |
| 1999-05-17 | vs PIT | 37 | W 2-1 | 17-20 | 3 | 30,673 | Kevin Millwood | Todd Ritchie | Kevin Millwood | Todd Ritchie | John Rocker | 200 | 155 | 45 |
| 1999-05-18 | vs PIT | 38 | W 12-4 | 17-21 | 3 | 30,858 | Odalis Perez | Jason Schmidt | Odalis Perez | Jason Schmidt | | 212 | 159 | 53 |
| 1999-05-19 | vs PIT | 39 | W 7-3 | 18-21 | 3 | 34,106 | Tom Glavine | Francisco Cordova | Tom Glavine | Francisco Cordova | | 219 | 162 | 57 |
| 1999-05-20 | vs CHN | 40 | L 5-6 | 18-22 | 4 | 38,588 | Greg Maddux | Steve Trachsel | Dan Serafini | Kevin McGlinchy | | 224 | 168 | 56 |
| 1999-05-21 | vs CHN | 41 | L 4-8 | 18-23 | 3 | 48,315 | Bruce Chen | Kyle Farnsworth | Terry Adams | Kevin McGlinchy | | 228 | 176 | 52 |
| 1999-05-22 | vs CHN | 42 | W 4-2 | 19-23 | 3 | 49,077 | Kevin Millwood | Kevin Tapani | Kevin Millwood | Kevin Tapani | John Rocker | 232 | 178 | 54 |
| 1999-05-23 | vs CHN | 43 | L 1-5 | 19-24 | 3 | 48,782 | Odalis Perez | Terry Mulholland | Terry Mulholland | Odalis Perez | | 233 | 183 | 50 |
| 1999-05-24 | @ MIL | 44 | L 7-10 | 20-24 | 3 | 14,913 | Tom Glavine | Steve Woodard | Steve Woodard | Tom Glavine | | 240 | 193 | 47 |
| 1999-05-25 | @ MIL | 45 | W 5-2 | 21-24 | 3 | 15,286 | Greg Maddux | Jim Abbott | Rudy Seanez | Bob Wickman | John Rocker | 245 | 195 | 50 |
| 1999-05-26 | @ MIL | 46 | W 3-2 | 22-24 | 3 | 18,460 | Bruce Chen | Hideo Nomo | Rudy Seanez | David Weathers | John Rocker | 248 | 197 | 51 |
| 1999-05-27 | @ MIL | 47 | W 8-7 | 23-24 | 3 | 22,252 | Kevin Millwood | Scott Karl | Kevin Millwood | Scott Karl | Rudy Seanez | 256 | 204 | 52 |
| 1999-05-28 | vs LAN | 48 | W 4-2 | 24-24 | 3 | 41,953 | Odalis Perez | Darren Dreifort | Odalis Perez | Darren Dreifort | John Rocker | 260 | 206 | 54 |
| 1999-05-29 | vs LAN | 49 | L 1-2 | 24-25 | 3 | 49,258 | Tom Glavine | Carlos Perez | Carlos Perez | Tom Glavine | Jeff Shaw | 261 | 208 | 53 |
| 1999-05-30 | vs LAN | 50 | L 4-5 | 24-26 | 3 | 47,166 | Greg Maddux | Kevin Brown | Pedro Borbon | Mike Remlinger | Jeff Shaw | 265 | 213 | 52 |
| 1999-05-31 | vs COL | 51 | W 3-1 | 25-26 | 3 | 34,136 | Kevin Millwood | Pedro Astacio | Kevin Millwood | Pedro Astacio | John Rocker | 268 | 214 | 54 |
| 1999-06-01 | vs COL | 52 | W 7-2 | 26-26 | 3 | 30,297 | John Smoltz | Bobby Jones | John Smoltz | Bobby Jones | | 275 | 216 | 59 |
| 1999-06-02 | vs COL | 53 | L 2-3 | 26-27 | 3 | 32,429 | Odalis Perez | Mark Brownson | Jerry DiPoto | Russ Springer | | 277 | 219 | 58 |
| 1999-06-04 | @ BOS | 54 | L 1-5 | 26-28 | 3 | 33,411 | Tom Glavine | Pedro Martinez | Pedro Martinez | Tom Glavine | | 278 | 224 | 54 |
| 1999-06-05 | @ BOS | 55 | W 6-5 | 27-28 | 3 | 32,793 | Greg Maddux | Brian Rose | Greg Maddux | Tom Gordon | John Rocker | 284 | 229 | 55 |
| 1999-06-06 | @ BOS | 56 | W 3-2 | 28-28 | 3 | 32,184 | Kevin Millwood | Pat Rapp | Rudy Seanez | Mark Portugal | John Rocker | 287 | 231 | 56 |
| 1999-06-07 | vs TBA | 57 | W 9-5 | 29-28 | 3 | 36,731 | John Smoltz | Dave Eiland | John Smoltz | Dave Eiland | John Rocker | 296 | 236 | 60 |
| 1999-06-08 | vs TBA | 58 | W 11-2 | 29-29 | 3 | 35,709 | Odalis Perez | Wilson Alvarez | Odalis Perez | Wilson Alvarez | | 307 | 238 | 69 |
| 1999-06-09 | vs TBA | 59 | W 4-3 | 30-29 | 3 | 35,160 | Tom Glavine | Ryan Rupe | Kevin McGlinchy | Rick White | | 311 | 241 | 70 |
| 1999-06-11 | vs BAL | 60 | L 2-6 | 30-30 | 3 | 47,428 | Greg Maddux | Sidney Ponson | Sidney Ponson | Greg Maddux | | 313 | 247 | 66 |
| 1999-06-12 | vs BAL | 61 | L 0-5 | 30-31 | 3 | 47,923 | Kevin Millwood | Juan Guzman | Juan Guzman | Kevin Millwood | | 313 | 252 | 61 |
| 1999-06-13 | vs BAL | 62 | L 1-22 | 30-32 | 3 | 45,738 | John Smoltz | Mike Mussina | Mike Mussina | John Smoltz | | 314 | 274 | 40 |
| 1999-06-14 | @ HOU | 63 | L 4-10 | 31-32 | 3 | 28,243 | Odalis Perez | Mike Hampton | Mike Hampton | Odalis Perez | Trever Miller | 318 | 284 | 34 |
| 1999-06-15 | @ HOU | 64 | W 4-3 | 32-32 | 3 | 27,941 | Tom Glavine | Chris Holt | Tom Glavine | Scott Elarton | John Rocker | 322 | 287 | 35 |
| 1999-06-16 | @ HOU | 65 | W 3-1 | 33-32 | 3 | 27,756 | Greg Maddux | Sean Bergman | Greg Maddux | Sean Bergman | John Rocker | 325 | 288 | 37 |
| 1999-06-17 | @ HOU | 66 | W 8-5 | 34-32 | 3 | 39,477 | Kevin Millwood | Jose Lima | Kevin Millwood | Jose Lima | Rudy Seanez | 333 | 293 | 40 |
| 1999-06-18 | @ ARI | 67 | W 6-0 | 35-32 | 3 | 41,499 | John Smoltz | Andy Benes | John Smoltz | Andy Benes | | 339 | 293 | 46 |
| 1999-06-19 | @ ARI | 68 | L 3-7 | 35-33 | 3 | 46,726 | Odalis Perez | Omar Daal | Omar Daal | Odalis Perez | | 342 | 300 | 42 |
| 1999-06-20 | @ ARI | 69 | W 10-4 | 35-34 | 3 | 47,235 | Tom Glavine | Randy Johnson | Tom Glavine | Randy Johnson | | 352 | 304 | 48 |
| 1999-06-22 | vs MON | 70 | L 1-2 | 35-35 | 3 | 37,768 | Greg Maddux | Mike Thurman | Mike Thurman | Greg Maddux | Ugueth Urbina | 353 | 306 | 47 |
| 1999-06-23 | vs MON | 71 | W 7-3 | 36-35 | 3 | 32,186 | Kevin Millwood | Miguel Batista | Kevin Millwood | Miguel Batista | | 360 | 309 | 51 |
| 1999-06-24 | vs MON | 72 | W 3-2 | 37-35 | 3 | 42,341 | John Smoltz | Dustin Hermanson | Kevin McGlinchy | Guillermo Mota | | 363 | 311 | 52 |
| 1999-06-25 | vs NYN | 73 | L 2-10 | 38-35 | 3 | 48,292 | Odalis Perez | Rick Reed | Rick Reed | Odalis Perez | | 365 | 321 | 44 |
| 1999-06-26 | vs NYN | 74 | W 7-2 | 39-35 | 3 | 48,293 | Tom Glavine | Octavio Dotel | Tom Glavine | Octavio Dotel | | 372 | 323 | 49 |
| 1999-06-27 | vs NYN | 75 | W 1-0 | 40-35 | 2 | 46,092 | Greg Maddux | Masato Yoshii | Greg Maddux | Masato Yoshii | John Rocker | 373 | 323 | 50 |
| 1999-06-28 | @ MON | 76 | W 13-5 | 40-36 | 2 | 7,078 | Kevin Millwood | Miguel Batista | Kevin Millwood | Miguel Batista | | 386 | 328 | 58 |
| 1999-06-29 | @ MON | 77 | L 5-6 | 40-37 | 3 | 7,069 | John Smoltz | Dustin Hermanson | Ugueth Urbina | John Rocker | | 391 | 334 | 57 |
| 1999-06-30 | @ MON | 78 | L 5-7 | 40-38 | 3 | 7,273 | Odalis Perez | Carl Pavano | Steve Kline | Kevin McGlinchy | Ugueth Urbina | 396 | 341 | 55 |
| 1999-07-01 | @ MON | 79 | W 4-1 | 41-38 | 2 | 8,874 | Tom Glavine | Dan Smith | Tom Glavine | Dan Smith | | 400 | 342 | 58 |
| 1999-07-02 | @ NYN | 80 | W 16-0 | 42-38 | 2 | 51,979 | Greg Maddux | Masato Yoshii | Greg Maddux | Masato Yoshii | | 416 | 342 | 74 |
| 1999-07-03 | @ NYN | 81 | W 3-0 | 43-38 | 2 | 43,256 | Kevin Millwood | Al Leiter | Kevin Millwood | Al Leiter | John Rocker | 419 | 342 | 77 |
| 1999-07-04 | @ NYN | 82 | L 6-7 | 43-39 | 2 | 32,699 | John Smoltz | Orel Hershiser | Dennis Cook | John Smoltz | Armando Benitez | 425 | 349 | 76 |
| 1999-07-05 | vs FLO | 83 | W 6-5 | 44-39 | 2 | 37,506 | Odalis Perez | Dennis Springer | Kevin McGlinchy | Antonio Alfonseca | | 431 | 354 | 77 |
| 1999-07-06 | vs FLO | 84 | L 2-5 | 44-40 | 2 | 32,665 | Tom Glavine | Alex Fernandez | Alex Fernandez | Tom Glavine | Matt Mantei | 433 | 359 | 74 |
| 1999-07-07 | vs FLO | 85 | W 7-3 | 45-40 | 2 | 35,610 | Greg Maddux | Ryan Dempster | Greg Maddux | Ryan Dempster | | 440 | 362 | 78 |
| 1999-07-08 | vs FLO | 86 | W 5-2 | 46-40 | 2 | 36,606 | Kevin Millwood | Brian Meadows | Kevin Millwood | Brian Meadows | | 445 | 364 | 81 |
| 1999-07-09 | vs BOS | 87 | L 4-5 | 46-41 | 2 | 49,636 | Bruce Chen | Bret Saberhagen | Bret Saberhagen | Bruce Chen | Tim Wakefield | 449 | 369 | 80 |
| 1999-07-10 | vs BOS | 88 | W 2-1 | 47-41 | 2 | 47,871 | Tom Glavine | Mark Portugal | Rudy Seanez | John Wasdin | | 451 | 370 | 81 |
| 1999-07-11 | vs BOS | 89 | W 8-1 | 48-41 | 2 | 46,680 | Greg Maddux | Jin Ho Cho | Greg Maddux | Jin Ho Cho | | 459 | 371 | 88 |
| 1999-07-15 | @ NYA | 90 | W 6-2 | 49-41 | 2 | 49,087 | Tom Glavine | Roger Clemens | Tom Glavine | Roger Clemens | | 465 | 373 | 92 |
| 1999-07-16 | @ NYA | 91 | W 10-7 | 49-42 | 2 | 50,469 | Greg Maddux | Orlando Hernandez | Russ Springer | Mariano Rivera | John Rocker | 475 | 380 | 95 |
| 1999-07-17 | @ NYA | 92 | L 4-11 | 50-42 | 2 | 55,785 | Odalis Perez | Andy Pettitte | Andy Pettitte | Odalis Perez | Jason Grimsley | 479 | 391 | 88 |
| 1999-07-18 | @ TOR | 93 | L 2-3 | 50-43 | 2 | 31,137 | Kevin Millwood | Joey Hamilton | Joey Hamilton | Kevin Millwood | Billy Koch | 481 | 394 | 87 |
| 1999-07-19 | @ TOR | 94 | L 7-8 | 50-44 | 2 | 31,064 | Bruce Chen | Kelvim Escobar | John Frascatore | John Hudek | | 488 | 402 | 86 |
| 1999-07-20 | @ TOR | 95 | L 6-11 | 51-44 | 2 | 28,366 | Tom Glavine | Chris Carpenter | Roy Halladay | Tom Glavine | | 494 | 413 | 81 |
| 1999-07-21 | @ FLO | 96 | L 0-2 | 51-45 | 2 | 15,509 | Greg Maddux | Dennis Springer | Dennis Springer | Greg Maddux | | 494 | 415 | 79 |
| 1999-07-22 | @ FLO | 97 | W 6-3 | 52-45 | 2 | 17,759 | Odalis Perez | Alex Fernandez | Kevin McGlinchy | Alex Fernandez | John Rocker | 500 | 418 | 82 |
| 1999-07-23 | @ PHI | 98 | L 5-6 | 52-46 | 5 | 0 | Kevin Millwood | Curt Schilling | Amaury Telemaco | Rudy Seanez | Wayne Gomes | 505 | 424 | 81 |
| 1999-07-23 | @ PHI | 99 | W 3-1 | 52-46 | 5 | 32,673 | Bruce Chen | Anthony Shumaker | Bruce Chen | Anthony Shumaker | John Rocker | 508 | 425 | 83 |
| 1999-07-24 | @ PHI | 100 | L 3-4 | 53-47 | 3 | 30,167 | John Smoltz | Chad Ogea | Steve Montgomery | Micah Bowie | Wayne Gomes | 511 | 429 | 82 |
| 1999-07-25 | @ PHI | 101 | W 5-4 | 54-47 | 3 | 25,659 | Tom Glavine | Paul Byrd | John Rocker | Steve Montgomery | | 516 | 433 | 83 |
| 1999-07-26 | vs MIL | 102 | W 6-1 | 55-47 | 3 | 38,534 | Greg Maddux | Scott Karl | Greg Maddux | Scott Karl | | 522 | 434 | 88 |
| 1999-07-27 | vs MIL | 103 | W 10-2 | 55-48 | 3 | 38,582 | Kevin Millwood | Hideo Nomo | Kevin Millwood | Hideo Nomo | | 532 | 436 | 96 |
| 1999-07-28 | vs MIL | 104 | L 4-10 | 56-48 | 3 | 39,432 | Bruce Chen | Bill Pulsipher | Bill Pulsipher | Bruce Chen | | 536 | 446 | 90 |
| 1999-07-30 | vs PHI | 105 | L 2-9 | 56-49 | 3 | 48,605 | John Smoltz | Paul Byrd | Paul Byrd | John Smoltz | | 538 | 455 | 83 |
| 1999-07-31 | vs PHI | 106 | W 8-6 | 57-49 | 3 | 50,203 | Tom Glavine | Robert Person | Tom Glavine | Robert Person | John Rocker | 546 | 461 | 85 |
| 1999-08-01 | vs PHI | 107 | W 12-4 | 57-50 | 3 | 37,521 | Greg Maddux | Randy Wolf | Greg Maddux | Randy Wolf | | 558 | 465 | 93 |
| 1999-08-03 | @ PIT | 108 | L 1-7 | 57-51 | 3 | 17,154 | Kevin Millwood | Kris Benson | Kris Benson | Kevin Millwood | | 559 | 472 | 87 |
| 1999-08-04 | @ PIT | 109 | L 2-3 | 57-52 | 3 | 17,625 | John Smoltz | Todd Ritchie | Todd Ritchie | John Smoltz | Mike Williams | 561 | 475 | 86 |
| 1999-08-05 | @ PIT | 110 | W 6-3 | 58-52 | 3 | 19,078 | Tom Glavine | Pete Schourek | Mike Remlinger | Greg Hansell | John Rocker | 567 | 478 | 89 |
| 1999-08-06 | vs SFN | 111 | W 7-3 | 59-52 | 3 | 49,321 | Greg Maddux | Shawn Estes | Greg Maddux | Shawn Estes | | 574 | 481 | 93 |
| 1999-08-07 | vs SFN | 112 | W 15-4 | 59-53 | 3 | 47,798 | Terry Mulholland | Russ Ortiz | Terry Mulholland | Russ Ortiz | | 589 | 485 | 104 |
| 1999-08-08 | vs SFN | 113 | L 2-5 | 59-54 | 3 | 38,026 | Kevin Millwood | Kirk Rueter | Kirk Rueter | Kevin Millwood | Robb Nen | 591 | 490 | 101 |
| 1999-08-09 | vs HOU | 114 | W 5-3 | 60-54 | 3 | 40,072 | John Smoltz | Chris Holt | Rudy Seanez | Doug Henry | John Rocker | 596 | 493 | 103 |
| 1999-08-10 | vs HOU | 115 | W 6-4 | 61-54 | 3 | 38,303 | Tom Glavine | Shane Reynolds | Tom Glavine | Shane Reynolds | John Rocker | 602 | 497 | 105 |
| 1999-08-11 | vs HOU | 116 | W 8-5 | 62-54 | 3 | 39,578 | Greg Maddux | Jose Lima | Greg Maddux | Jose Lima | John Rocker | 610 | 502 | 108 |
| 1999-08-13 | @ LAN | 117 | W 7-3 | 63-54 | 3 | 40,363 | Kevin Millwood | Darren Dreifort | Kevin Millwood | Darren Dreifort | | 617 | 505 | 112 |
| 1999-08-14 | @ LAN | 118 | L 1-8 | 63-55 | 3 | 53,533 | John Smoltz | Kevin Brown | Kevin Brown | John Smoltz | | 618 | 513 | 105 |
| 1999-08-15 | @ LAN | 119 | W 5-4 | 64-55 | 3 | 41,606 | Tom Glavine | Ismael Valdez | Mike Remlinger | Jamie Arnold | John Rocker | 623 | 517 | 106 |
| 1999-08-16 | @ COL | 120 | W 14-6 | 64-56 | 3 | 47,519 | Greg Maddux | Bobby Jones | Greg Maddux | Bobby Jones | | 637 | 523 | 114 |
| 1999-08-17 | @ COL | 121 | L 2-3 | 64-57 | 3 | 47,904 | Terry Mulholland | Jamey Wright | David Lee | Terry Mulholland | Dave Veres | 639 | 526 | 113 |
| 1999-08-18 | @ COL | 122 | L 1-4 | 64-58 | 3 | 46,553 | Kevin Millwood | Brian Bohanon | Dave Veres | John Rocker | | 640 | 530 | 110 |
| 1999-08-19 | @ COL | 123 | W 9-7 | 65-58 | 3 | 41,791 | John Smoltz | Darryl Kile | Bruce Chen | David Lee | Terry Mulholland | 649 | 537 | 112 |
| 1999-08-20 | vs SDN | 124 | W 4-3 | 66-58 | 3 | 48,201 | Tom Glavine | Matt Clement | Mike Remlinger | Carlos Reyes | | 653 | 540 | 113 |
| 1999-08-21 | vs SDN | 125 | W 6-2 | 67-58 | 3 | 48,362 | Greg Maddux | Andy Ashby | Greg Maddux | Andy Ashby | | 659 | 542 | 117 |
| 1999-08-22 | vs SDN | 126 | W 3-2 | 68-58 | 4 | 33,847 | Terry Mulholland | Sterling Hitchcock | John Rocker | Dan Miceli | | 662 | 544 | 118 |
| 1999-08-23 | vs CIN | 127 | W 6-2 | 69-58 | 2 | 31,016 | Kevin Millwood | Brett Tomko | Kevin Millwood | Brett Tomko | Russ Springer | 668 | 546 | 122 |
| 1999-08-24 | vs CIN | 128 | W 6-4 | 70-58 | 2 | 38,049 | John Smoltz | Pete Harnisch | John Smoltz | Pete Harnisch | John Rocker | 674 | 550 | 124 |
| 1999-08-25 | vs CIN | 129 | W 5-2 | 71-58 | 2 | 30,822 | Tom Glavine | Denny Neagle | Tom Glavine | Denny Neagle | John Rocker | 679 | 552 | 127 |
| 1999-08-27 | @ SLN | 130 | W 2-1 | 72-58 | 2 | 46,723 | Terry Mulholland | Garrett Stephenson | Russ Springer | Juan Acevedo | John Rocker | 681 | 553 | 128 |
| 1999-08-28 | @ SLN | 131 | W 3-0 | 73-58 | 1 | 48,068 | Kevin Millwood | Darren Oliver | Mike Remlinger | Lance Painter | John Rocker | 684 | 553 | 131 |
| 1999-08-29 | @ SLN | 132 | W 4-3 | 74-58 | 1 | 45,559 | John Smoltz | Rick Ankiel | Kevin McGlinchy | Juan Acevedo | | 688 | 556 | 132 |
| 1999-08-30 | @ CIN | 133 | L 3-11 | 75-58 | 1 | 24,619 | Tom Glavine | Denny Neagle | Denny Neagle | Tom Glavine | | 691 | 567 | 124 |
| 1999-08-31 | @ CIN | 134 | W 8-2 | 76-58 | 1 | 25,238 | Greg Maddux | Juan Guzman | Greg Maddux | Juan Guzman | | 699 | 569 | 130 |
| 1999-09-01 | @ CIN | 135 | W 8-7 | 77-58 | 1 | 23,977 | Terry Mulholland | Ron Villone | Terry Mulholland | Ron Villone | John Rocker | 707 | 576 | 131 |
| 1999-09-03 | vs ARI | 136 | W 7-3 | 78-58 | 1 | 38,389 | Kevin Millwood | Armando Reynoso | Kevin Millwood | Armando Reynoso | | 714 | 579 | 135 |
| 1999-09-04 | vs ARI | 137 | L 4-5 | 78-59 | 1 | 48,730 | John Smoltz | Andy Benes | Andy Benes | John Smoltz | Matt Mantei | 718 | 584 | 134 |
| 1999-09-05 | vs ARI | 138 | L 5-7 | 78-60 | 1 | 44,549 | Tom Glavine | Randy Johnson | Gregg Olson | John Rocker | Matt Mantei | 723 | 591 | 132 |
| 1999-09-06 | vs SLN | 139 | W 4-1 | 79-60 | 1 | 41,678 | Greg Maddux | Garrett Stephenson | Greg Maddux | Garrett Stephenson | | 727 | 592 | 135 |
| 1999-09-07 | vs SLN | 140 | W 3-2 | 80-60 | 1 | 35,095 | Terry Mulholland | Darren Oliver | Mike Remlinger | Darren Oliver | | 730 | 594 | 136 |
| 1999-09-08 | vs SLN | 141 | W 5-4 | 81-60 | 1 | 36,454 | Kevin Millwood | Rick Ankiel | Kevin Millwood | Rick Ankiel | John Rocker | 735 | 598 | 137 |
| 1999-09-10 | @ SFN | 142 | W 4-2 | 82-60 | 1 | 23,150 | John Smoltz | Russ Ortiz | Mike Remlinger | Russ Ortiz | John Rocker | 739 | 600 | 139 |
| 1999-09-11 | @ SFN | 143 | L 2-3 | 82-61 | 1 | 35,981 | Tom Glavine | Kirk Rueter | Kirk Rueter | Tom Glavine | Robb Nen | 741 | 603 | 138 |
| 1999-09-12 | @ SFN | 144 | L 4-8 | 82-62 | 1 | 44,402 | Greg Maddux | Joe Nathan | Joe Nathan | Greg Maddux | | 745 | 611 | 134 |
| 1999-09-13 | @ SDN | 145 | L 0-3 | 82-63 | 1 | 15,718 | Terry Mulholland | Woody Williams | Woody Williams | Terry Mulholland | Trevor Hoffman | 745 | 614 | 131 |
| 1999-09-14 | @ SDN | 146 | W 11-4 | 82-64 | 1 | 18,068 | Kevin Millwood | Buddy Carlyle | Kevin Millwood | Buddy Carlyle | | 756 | 618 | 138 |
| 1999-09-15 | @ SDN | 147 | L 1-4 | 82-65 | 1 | 18,177 | John Smoltz | Matt Clement | Matt Clement | John Smoltz | Trevor Hoffman | 757 | 622 | 135 |
| 1999-09-17 | vs MON | 148 | W 6-5 | 83-65 | 1 | 39,512 | Tom Glavine | Mike Thurman | Mike Remlinger | Steve Kline | | 763 | 627 | 136 |
| 1999-09-18 | vs MON | 149 | L 3-4 | 83-66 | 1 | 47,576 | Greg Maddux | Dustin Hermanson | Dustin Hermanson | Greg Maddux | Ugueth Urbina | 766 | 631 | 135 |
| 1999-09-19 | vs MON | 150 | W 5-1 | 84-66 | 1 | 41,817 | Kevin Millwood | Ted Lilly | Kevin Millwood | Ted Lilly | | 771 | 632 | 139 |
| 1999-09-21 | vs NYN | 151 | W 2-1 | 85-66 | 1 | 43,948 | John Smoltz | Rick Reed | Mike Remlinger | Dennis Cook | John Rocker | 773 | 633 | 140 |
| 1999-09-22 | vs NYN | 152 | W 5-2 | 86-66 | 1 | 47,520 | Tom Glavine | Orel Hershiser | Tom Glavine | Orel Hershiser | John Rocker | 778 | 635 | 143 |
| 1999-09-23 | vs NYN | 153 | W 6-3 | 87-66 | 1 | 49,228 | Greg Maddux | Al Leiter | Greg Maddux | Al Leiter | John Rocker | 784 | 638 | 146 |
| 1999-09-24 | @ MON | 154 | W 4-3 | 88-66 | 1 | 8,969 | Kevin Millwood | Ted Lilly | Sean Bergman | Guillermo Mota | Mike Remlinger | 788 | 641 | 147 |
| 1999-09-25 | @ MON | 155 | W 5-3 | 89-66 | 1 | 11,584 | Terry Mulholland | Javier Vazquez | Terry Mulholland | Javier Vazquez | John Rocker | 793 | 644 | 149 |
| 1999-09-26 | @ MON | 156 | W 10-0 | 90-66 | 1 | 12,582 | John Smoltz | Jeremy Powell | John Smoltz | Jeremy Powell | | 803 | 644 | 159 |
| 1999-09-28 | @ NYN | 157 | W 9-3 | 91-66 | 1 | 43,888 | Tom Glavine | Orel Hershiser | Tom Glavine | Orel Hershiser | | 812 | 647 | 165 |
| 1999-09-29 | @ NYN | 158 | L 2-9 | 91-67 | 1 | 43,922 | Greg Maddux | Al Leiter | Al Leiter | Greg Maddux | | 814 | 656 | 158 |
| 1999-09-30 | @ NYN | 159 | W 4-3 | 92-67 | 1 | 48,364 | Kevin Millwood | Masato Yoshii | Terry Mulholland | Octavio Dotel | | 818 | 659 | 159 |
| 1999-10-01 | vs FLO | 160 | W 4-1 | 93-67 | 1 | 38,413 | John Smoltz | Brian Meadows | John Smoltz | Brian Meadows | John Rocker | 822 | 660 | 162 |
| 1999-10-02 | vs FLO | 161 | L 0-1 | 93-68 | 1 | 45,394 | Bruce Chen | Ryan Dempster | Braden Looper | Derrin Ebert | Antonio Alfonseca | 822 | 661 | 161 |
| 1999-10-03 | vs FLO | 162 | W 18-0 | 94-68 | 1 | 40,570 | Tom Glavine | Dennis Springer | Tom Glavine | Dennis Springer | | 840 | 661 | 179 |