| 1963-04-09 | @ HOU | 1 | W 9-2 | 1-0 | 4 | 19,591 | Jack Sanford | Turk Farrell | Jack Sanford | Turk Farrell | Jack Fisher | 9 | 2 | 7 |
| 1963-04-10 | @ HOU | 2 | W 8-7 | 2-0 | 4 | 12,469 | Juan Marichal | Bob Bruce | Jim Duffalo | Don McMahon | Bobby Bolin | 17 | 9 | 8 |
| 1963-04-11 | @ HOU | 3 | W 7-1 | 3-0 | 2 | 8,827 | Billy O'Dell | Ken Johnson | Billy O'Dell | Ken Johnson | | 24 | 10 | 14 |
| 1963-04-13 | @ CHN | 4 | W 2-1 | 4-0 | 2 | 12,090 | Jack Sanford | Glen Hobbie | Jack Sanford | Paul Toth | | 26 | 11 | 15 |
| 1963-04-14 | @ CHN | 5 | L 1-3 | 4-1 | 2 | 10,072 | Juan Marichal | Larry Jackson | Larry Jackson | Juan Marichal | Lindy McDaniel | 27 | 14 | 13 |
| 1963-04-16 | vs HOU | 6 | W 7-0 | 5-1 | 1 | 40,782 | Billy Pierce | Bob Bruce | Billy Pierce | Bob Bruce | | 34 | 14 | 20 |
| 1963-04-17 | vs HOU | 7 | L 1-2 | 5-2 | 3 | 10,190 | Billy O'Dell | Ken Johnson | Ken Johnson | Don Larsen | Don McMahon | 35 | 16 | 19 |
| 1963-04-18 | vs HOU | 8 | W 6-3 | 6-2 | 2 | 6,462 | Jack Sanford | George Brunet | Jack Sanford | George Brunet | | 41 | 19 | 22 |
| 1963-04-19 | vs CHN | 9 | W 5-1 | 7-2 | 1 | 11,838 | Juan Marichal | Larry Jackson | Juan Marichal | Larry Jackson | | 46 | 20 | 26 |
| 1963-04-20 | vs CHN | 10 | L 0-4 | 7-3 | 1 | 10,868 | Billy Pierce | Bob Buhl | Bob Buhl | Billy Pierce | Lindy McDaniel | 46 | 24 | 22 |
| 1963-04-21 | vs CHN | 11 | L 1-4 | 8-4 | 1 | 0 | Jack Fisher | Dick Ellsworth | Dick Ellsworth | Jack Fisher | Barney Schultz | 47 | 28 | 19 |
| 1963-04-21 | vs CHN | 12 | W 3-2 | 8-4 | 1 | 39,074 | Billy O'Dell | Cal Koonce | Billy O'Dell | Cal Koonce | | 50 | 30 | 20 |
| 1963-04-22 | vs CIN | 13 | L 4-7 | 8-5 | 3 | 13,431 | Jack Sanford | Jim O'Toole | Jim O'Toole | Jack Sanford | Bill Henry | 54 | 37 | 17 |
| 1963-04-23 | vs CIN | 14 | W 4-2 | 9-5 | 2 | 8,914 | Juan Marichal | Joe Nuxhall | Juan Marichal | Joe Nuxhall | | 58 | 39 | 19 |
| 1963-04-24 | vs SLN | 15 | L 3-4 | 9-6 | 3 | 8,773 | Billy Pierce | Curt Simmons | Curt Simmons | Billy Pierce | | 61 | 43 | 18 |
| 1963-04-25 | vs SLN | 16 | W 8-4 | 10-6 | 2 | 6,157 | Billy O'Dell | Ray Sadecki | Bobby Bolin | Ray Sadecki | John Pregenzer | 69 | 47 | 22 |
| 1963-04-26 | vs MLN | 17 | L 2-9 | 10-7 | 3 | 20,586 | Jack Fisher | Lew Burdette | Lew Burdette | Jack Fisher | | 71 | 56 | 15 |
| 1963-04-27 | vs MLN | 18 | L 5-6 | 10-8 | 4 | 21,103 | Jack Sanford | Bob Hendley | Claude Raymond | Gaylord Perry | Tony Cloninger | 76 | 62 | 14 |
| 1963-04-28 | vs MLN | 19 | L 1-3 | 10-9 | 4 | 32,144 | Juan Marichal | Warren Spahn | Warren Spahn | Juan Marichal | | 77 | 65 | 12 |
| 1963-04-29 | @ PHI | 20 | W 4-3 | 11-9 | 4 | 8,233 | Jack Fisher | Cal McLish | Jack Fisher | Cal McLish | | 81 | 68 | 13 |
| 1963-05-01 | @ PIT | 21 | W 5-1 | 12-9 | 3 | 6,122 | Jack Sanford | Bob Friend | Jack Sanford | Bob Friend | | 86 | 69 | 17 |
| 1963-05-02 | @ PIT | 22 | W 2-1 | 13-9 | 3 | 9,563 | Juan Marichal | Don Cardwell | Juan Marichal | Don Cardwell | | 88 | 70 | 18 |
| 1963-05-03 | @ NYN | 23 | W 5-3 | 14-9 | 3 | 49,431 | Jack Fisher | Jay Hook | Jack Fisher | Jay Hook | | 93 | 73 | 20 |
| 1963-05-04 | @ NYN | 24 | W 17-4 | 15-9 | 3 | 25,674 | Billy O'Dell | Roger Craig | Billy O'Dell | Roger Craig | Gaylord Perry | 110 | 77 | 33 |
| 1963-05-05 | @ NYN | 25 | W 6-3 | 16-10 | 3 | 0 | Jack Sanford | Galen Cisco | Jack Sanford | Galen Cisco | | 116 | 80 | 36 |
| 1963-05-05 | @ NYN | 26 | L 2-4 | 16-10 | 3 | 53,880 | Billy Pierce | Carl Willey | Carl Willey | Billy Pierce | | 118 | 84 | 34 |
| 1963-05-07 | @ MLN | 27 | W 5-2 | 17-10 | 1 | 7,299 | Juan Marichal | Lew Burdette | Juan Marichal | Lew Burdette | | 123 | 86 | 37 |
| 1963-05-08 | @ MLN | 28 | W 12-5 | 18-10 | 1 | 6,902 | Jack Fisher | Bob Hendley | Jack Fisher | Bob Hendley | Bobby Bolin | 135 | 91 | 44 |
| 1963-05-09 | @ MLN | 29 | W 8-2 | 19-10 | 1 | 3,920 | Billy O'Dell | Warren Spahn | Billy O'Dell | Warren Spahn | | 143 | 93 | 50 |
| 1963-05-10 | @ LAN | 30 | L 1-2 | 19-11 | 1 | 50,407 | Jack Sanford | Don Drysdale | Don Drysdale | Jack Sanford | | 144 | 95 | 49 |
| 1963-05-11 | @ LAN | 31 | L 0-8 | 19-12 | 1 | 49,807 | Juan Marichal | Sandy Koufax | Sandy Koufax | Juan Marichal | | 144 | 103 | 41 |
| 1963-05-12 | @ LAN | 32 | L 5-6 | 19-13 | 1 | 43,964 | Jack Fisher | Johnny Podres | Dick Calmus | Jack Fisher | Ron Perranoski | 149 | 109 | 40 |
| 1963-05-14 | vs PIT | 33 | W 3-1 | 20-13 | 1 | 14,847 | Jack Sanford | Bob Friend | Jack Sanford | Bob Friend | Bobby Bolin | 152 | 110 | 42 |
| 1963-05-15 | vs PIT | 34 | W 4-3 | 21-13 | 1 | 10,386 | Juan Marichal | Don Cardwell | Juan Marichal | Don Cardwell | Bobby Bolin | 156 | 113 | 43 |
| 1963-05-16 | vs NYN | 35 | W 6-5 | 22-13 | 1 | 8,849 | Billy O'Dell | Jay Hook | Billy O'Dell | Jay Hook | Gaylord Perry | 162 | 118 | 44 |
| 1963-05-17 | vs NYN | 36 | W 4-3 | 23-13 | 1 | 19,352 | Billy Pierce | Galen Cisco | Gaylord Perry | Roger Craig | | 166 | 121 | 45 |
| 1963-05-18 | vs NYN | 37 | L 0-4 | 23-14 | 1 | 17,019 | Jack Sanford | Carl Willey | Carl Willey | Jack Sanford | | 166 | 125 | 41 |
| 1963-05-19 | vs PHI | 38 | L 0-3 | 24-15 | 1 | 0 | Jack Fisher | Cal McLish | Cal McLish | Jack Fisher | | 166 | 128 | 38 |
| 1963-05-19 | vs PHI | 39 | W 6-5 | 24-15 | 1 | 37,632 | Juan Marichal | John Boozer | Bobby Bolin | Ryne Duren | | 172 | 133 | 39 |
| 1963-05-21 | vs PHI | 40 | W 3-2 | 25-15 | 1 | 7,556 | Billy O'Dell | Ray Culp | Billy O'Dell | Ray Culp | | 175 | 135 | 40 |
| 1963-05-22 | vs PHI | 41 | W 10-2 | 26-15 | 1 | 6,501 | Jack Sanford | Dallas Green | Jack Sanford | Dallas Green | | 185 | 137 | 48 |
| 1963-05-24 | vs LAN | 42 | W 7-1 | 27-15 | 1 | 40,676 | Juan Marichal | Sandy Koufax | Juan Marichal | Sandy Koufax | | 192 | 138 | 54 |
| 1963-05-25 | vs LAN | 43 | W 6-2 | 28-15 | 1 | 39,858 | Billy O'Dell | Johnny Podres | Billy O'Dell | Johnny Podres | Don Larsen | 198 | 140 | 58 |
| 1963-05-26 | vs LAN | 44 | L 3-4 | 28-16 | 1 | 41,668 | Jack Sanford | Don Drysdale | Don Drysdale | Don Larsen | | 201 | 144 | 57 |
| 1963-05-28 | @ CIN | 45 | L 6-10 | 28-17 | 1 | 8,717 | Jack Fisher | Jim O'Toole | Jim O'Toole | Jack Fisher | Dom Zanni | 207 | 154 | 53 |
| 1963-05-29 | @ CIN | 46 | W 5-4 | 29-17 | 1 | 13,964 | Juan Marichal | Bob Purkey | Juan Marichal | Bob Purkey | Billy Pierce | 212 | 158 | 54 |
| 1963-05-30 | @ CIN | 47 | W 5-4 | 30-17 | 1 | 11,206 | Billy O'Dell | Joe Nuxhall | Billy O'Dell | Joe Nuxhall | Bobby Bolin | 217 | 162 | 55 |
| 1963-05-31 | @ SLN | 48 | L 5-6 | 30-18 | 1 | 21,564 | Jack Sanford | Curt Simmons | Bob Gibson | Don Larsen | | 222 | 168 | 54 |
| 1963-06-01 | @ SLN | 49 | L 4-7 | 30-19 | 1 | 14,152 | Jack Fisher | Ron Taylor | Ron Taylor | Jack Fisher | | 226 | 175 | 51 |
| 1963-06-02 | @ SLN | 50 | W 6-4 | 31-19 | 1 | 22,857 | Juan Marichal | Ernie Broglio | Juan Marichal | Ernie Broglio | Bobby Bolin | 232 | 179 | 53 |
| 1963-06-04 | @ CHN | 51 | L 1-6 | 31-20 | 1 | 9,126 | Billy O'Dell | Bob Buhl | Bob Buhl | Billy O'Dell | | 233 | 185 | 48 |
| 1963-06-05 | @ CHN | 52 | L 5-9 | 31-22 | 1 | 0 | Jack Fisher | Dick Ellsworth | Dick Ellsworth | Jack Fisher | Don Elston | 238 | 194 | 44 |
| 1963-06-05 | @ CHN | 53 | L 4-5 | 31-22 | 1 | 19,710 | Jack Sanford | Glen Hobbie | Lindy McDaniel | Jack Sanford | | 242 | 199 | 43 |
| 1963-06-06 | @ CHN | 54 | L 2-3 | 31-23 | 3 | 11,240 | Juan Marichal | Larry Jackson | Lindy McDaniel | Billy Pierce | | 244 | 202 | 42 |
| 1963-06-07 | @ HOU | 55 | L 1-2 | 31-24 | 3 | 17,014 | Bobby Bolin | Don Nottebart | Hal Woodeshick | Gaylord Perry | | 245 | 204 | 41 |
| 1963-06-08 | @ HOU | 56 | L 1-2 | 31-25 | 4 | 19,134 | Billy O'Dell | Bob Bruce | Bob Bruce | Billy O'Dell | Hal Woodeshick | 246 | 206 | 40 |
| 1963-06-09 | @ HOU | 57 | L 0-3 | 31-26 | 4 | 17,437 | Jack Sanford | Turk Farrell | Hal Brown | Jack Sanford | | 246 | 209 | 37 |
| 1963-06-10 | @ LAN | 58 | W 7-3 | 32-26 | 4 | 52,993 | Billy Pierce | Bob Miller | Don Larsen | Ron Perranoski | | 253 | 212 | 41 |
| 1963-06-11 | @ LAN | 59 | W 3-0 | 33-26 | 2 | 53,436 | Juan Marichal | Don Drysdale | Juan Marichal | Don Drysdale | | 256 | 212 | 44 |
| 1963-06-12 | vs CHN | 60 | W 3-1 | 34-26 | 2 | 15,218 | Bobby Bolin | Bob Buhl | Bobby Bolin | Bob Buhl | | 259 | 213 | 46 |
| 1963-06-13 | vs CHN | 61 | W 2-1 | 35-26 | 2 | 12,217 | Billy O'Dell | Dick Ellsworth | Billy O'Dell | Dick Ellsworth | | 261 | 214 | 47 |
| 1963-06-14 | vs HOU | 62 | W 2-1 | 36-26 | 2 | 15,775 | Jack Sanford | Hal Brown | Jack Sanford | Hal Brown | Billy Pierce | 263 | 215 | 48 |
| 1963-06-15 | vs HOU | 63 | W 1-0 | 37-26 | 1 | 18,869 | Juan Marichal | Dick Drott | Juan Marichal | Dick Drott | | 264 | 215 | 49 |
| 1963-06-16 | vs HOU | 64 | L 0-3 | 38-27 | 1 | 0 | Bobby Bolin | Don Nottebart | Jim Umbricht | Bobby Bolin | | 264 | 218 | 46 |
| 1963-06-16 | vs HOU | 65 | W 4-3 | 38-27 | 1 | 40,499 | Gaylord Perry | Ken Johnson | Don Larsen | Hal Woodeshick | Jim Duffalo | 268 | 221 | 47 |
| 1963-06-17 | vs LAN | 66 | L 0-2 | 38-28 | 2 | 36,818 | Billy O'Dell | Sandy Koufax | Sandy Koufax | Billy O'Dell | | 268 | 223 | 45 |
| 1963-06-18 | vs LAN | 67 | W 9-3 | 39-28 | 2 | 37,780 | Jack Sanford | Bob Miller | Jack Sanford | Bob Miller | | 277 | 226 | 51 |
| 1963-06-19 | vs LAN | 68 | W 8-3 | 40-28 | 2 | 41,384 | Juan Marichal | Don Drysdale | Juan Marichal | Don Drysdale | Billy Pierce | 285 | 229 | 56 |
| 1963-06-21 | @ MLN | 69 | L 3-6 | 40-29 | 2 | 13,753 | Bobby Bolin | Tony Cloninger | Tony Cloninger | Bobby Bolin | Bob Hendley | 288 | 235 | 53 |
| 1963-06-22 | @ MLN | 70 | W 3-0 | 41-29 | 2 | 11,208 | Billy O'Dell | Bob Shaw | Billy O'Dell | Bob Shaw | | 291 | 235 | 56 |
| 1963-06-23 | @ MLN | 71 | L 4-10 | 41-30 | 2 | 19,016 | Jack Sanford | Warren Spahn | Warren Spahn | Jack Sanford | | 295 | 245 | 50 |
| 1963-06-24 | @ SLN | 72 | W 4-3 | 42-30 | 1 | 22,413 | Juan Marichal | Lew Burdette | Juan Marichal | Lew Burdette | Billy Pierce | 299 | 248 | 51 |
| 1963-06-25 | @ SLN | 73 | L 5-6 | 42-31 | 2 | 19,051 | Jim Duffalo | Ray Sadecki | Ron Taylor | Bobby Bolin | | 304 | 254 | 50 |
| 1963-06-26 | @ SLN | 74 | L 5-6 | 42-32 | 3 | 21,959 | Billy O'Dell | Curt Simmons | Bobby Shantz | Billy Pierce | | 309 | 260 | 49 |
| 1963-06-28 | vs CIN | 75 | W 7-3 | 43-32 | 2 | 23,615 | Juan Marichal | Bob Purkey | Billy Hoeft | Al Worthington | Don Larsen | 316 | 263 | 53 |
| 1963-06-29 | vs CIN | 76 | L 3-7 | 43-33 | 3 | 24,232 | Jack Sanford | Joe Nuxhall | Joe Nuxhall | Jack Sanford | | 319 | 270 | 49 |
| 1963-06-30 | vs CIN | 77 | W 7-3 | 44-33 | 2 | 32,456 | Billy Pierce | Jim O'Toole | Billy Pierce | Jim O'Toole | | 326 | 273 | 53 |
| 1963-07-01 | vs CIN | 78 | L 3-4 | 44-34 | 3 | 11,589 | Billy O'Dell | Jim Maloney | Jim Maloney | Billy O'Dell | Bill Henry | 329 | 277 | 52 |
| 1963-07-02 | vs MLN | 79 | W 1-0 | 45-34 | 3 | 15,921 | Juan Marichal | Warren Spahn | Juan Marichal | Warren Spahn | | 330 | 277 | 53 |
| 1963-07-03 | vs MLN | 80 | L 5-6 | 45-35 | 3 | 11,189 | Jack Sanford | Denny Lemaster | Frank Funk | Jack Sanford | Bob Shaw | 335 | 283 | 52 |
| 1963-07-04 | vs MLN | 81 | L 3-6 | 45-36 | 4 | 23,557 | Jack Fisher | Tony Cloninger | Tony Cloninger | Gaylord Perry | Bob Hendley | 338 | 289 | 49 |
| 1963-07-05 | vs SLN | 82 | W 6-5 | 46-36 | 3 | 25,665 | Billy O'Dell | Lew Burdette | Jim Duffalo | Ed Bauta | | 344 | 294 | 50 |
| 1963-07-06 | vs SLN | 83 | W 5-3 | 47-36 | 2 | 30,619 | Billy Pierce | Ray Sadecki | Billy Pierce | Ray Sadecki | | 349 | 297 | 52 |
| 1963-07-07 | vs SLN | 84 | W 4-3 | 48-37 | 2 | 0 | Jack Sanford | Curt Simmons | Bobby Bolin | Ernie Broglio | | 353 | 300 | 53 |
| 1963-07-07 | vs SLN | 85 | L 0-5 | 48-37 | 2 | 42,787 | Juan Marichal | Bob Gibson | Bob Gibson | Juan Marichal | | 353 | 305 | 48 |
| 1963-07-10 | @ PHI | 86 | L 2-10 | 48-38 | 2 | 12,240 | Billy O'Dell | Cal McLish | Cal McLish | Billy O'Dell | Johnny Klippstein | 355 | 315 | 40 |
| 1963-07-11 | @ PHI | 87 | W 4-3 | 49-38 | 2 | 26,303 | Juan Marichal | Ray Culp | Juan Marichal | Ray Culp | Bobby Bolin | 359 | 318 | 41 |
| 1963-07-12 | @ PHI | 88 | L 5-7 | 49-39 | 2 | 22,496 | Jack Sanford | Art Mahaffey | Art Mahaffey | Jack Sanford | Jack Baldschun | 364 | 325 | 39 |
| 1963-07-13 | @ PHI | 89 | L 3-4 | 49-40 | 2 | 10,453 | Billy Pierce | Ryne Duren | Ryne Duren | Billy Pierce | Jack Baldschun | 367 | 329 | 38 |
| 1963-07-15 | @ PIT | 90 | L 1-2 | 49-42 | 4 | 0 | Juan Marichal | Bob Friend | Al McBean | Juan Marichal | | 368 | 331 | 37 |
| 1963-07-15 | @ PIT | 91 | L 1-4 | 49-42 | 4 | 24,357 | Billy O'Dell | Joe Gibbon | Joe Gibbon | Billy O'Dell | | 369 | 335 | 34 |
| 1963-07-16 | @ PIT | 92 | W 3-2 | 50-43 | 4 | 0 | Bobby Bolin | Don Cardwell | Jack Fisher | Don Cardwell | Billy Pierce | 372 | 337 | 35 |
| 1963-07-16 | @ PIT | 93 | L 2-3 | 50-43 | 4 | 23,251 | Jack Sanford | Don Schwall | Don Schwall | Jack Sanford | Al McBean | 374 | 340 | 34 |
| 1963-07-17 | @ NYN | 94 | L 7-9 | 50-44 | 4 | 26,574 | Gaylord Perry | Tracy Stallard | Galen Cisco | Don Larsen | | 381 | 349 | 32 |
| 1963-07-18 | @ NYN | 95 | W 6-5 | 51-44 | 4 | 24,463 | Jim Duffalo | Larry Bearnarth | Juan Marichal | Galen Cisco | | 387 | 354 | 33 |
| 1963-07-19 | @ CIN | 96 | L 2-5 | 51-45 | 5 | 20,316 | Billy Pierce | John Tsitouris | John Tsitouris | Billy Pierce | | 389 | 359 | 30 |
| 1963-07-20 | @ CIN | 97 | L 2-3 | 51-46 | 5 | 27,033 | Jack Sanford | Joe Nuxhall | Joe Nuxhall | Jack Sanford | | 391 | 362 | 29 |
| 1963-07-21 | @ CIN | 98 | W 10-5 | 52-46 | 5 | 22,736 | Billy O'Dell | Jim O'Toole | Bobby Bolin | Jim O'Toole | | 401 | 367 | 34 |
| 1963-07-23 | vs NYN | 99 | W 9-1 | 53-46 | 5 | 14,878 | Juan Marichal | Roger Craig | Juan Marichal | Roger Craig | | 410 | 368 | 42 |
| 1963-07-24 | vs NYN | 100 | W 4-3 | 54-46 | 4 | 11,236 | Jack Sanford | Al Jackson | Billy Hoeft | Al Jackson | | 414 | 371 | 43 |
| 1963-07-25 | vs NYN | 101 | W 8-6 | 55-46 | 3 | 10,514 | Billy Pierce | Galen Cisco | Bobby Bolin | Galen Cisco | Billy Hoeft | 422 | 377 | 45 |
| 1963-07-26 | vs PIT | 102 | W 6-4 | 56-46 | 3 | 27,017 | Billy O'Dell | Don Cardwell | Jack Fisher | Roy Face | | 428 | 381 | 47 |
| 1963-07-27 | vs PIT | 103 | W 3-1 | 57-46 | 3 | 23,021 | Juan Marichal | Bob Friend | Juan Marichal | Al McBean | | 431 | 382 | 49 |
| 1963-07-28 | vs PIT | 104 | W 3-1 | 58-46 | 3 | 32,412 | Jack Sanford | Don Schwall | Jack Sanford | Don Schwall | | 434 | 383 | 51 |
| 1963-07-29 | vs PIT | 105 | W 5-4 | 59-46 | 2 | 12,089 | Gaylord Perry | Earl Francis | Jim Duffalo | Vern Law | Billy Pierce | 439 | 387 | 52 |
| 1963-07-30 | vs PHI | 106 | W 5-0 | 60-46 | 2 | 20,686 | Billy O'Dell | Ray Culp | Billy O'Dell | Ray Culp | | 444 | 387 | 57 |
| 1963-07-31 | vs PHI | 107 | L 3-7 | 60-47 | 2 | 17,927 | Juan Marichal | Chris Short | Jack Baldschun | Bobby Bolin | Johnny Klippstein | 447 | 394 | 53 |
| 1963-08-02 | @ CHN | 108 | L 11-12 | 60-48 | 3 | 18,698 | Jack Sanford | Dick Ellsworth | Glen Hobbie | Don Larsen | | 458 | 406 | 52 |
| 1963-08-03 | @ CHN | 109 | W 9-5 | 61-48 | 3 | 25,149 | Jack Sanford | Bob Buhl | Jack Fisher | Bob Buhl | | 467 | 411 | 56 |
| 1963-08-04 | @ CHN | 110 | W 2-1 | 62-48 | 2 | 33,289 | Billy O'Dell | Paul Toth | Don Larsen | Lindy McDaniel | | 469 | 412 | 57 |
| 1963-08-05 | @ HOU | 111 | L 5-6 | 62-49 | 3 | 11,822 | Juan Marichal | Don Nottebart | Hal Woodeshick | Jack Fisher | | 474 | 418 | 56 |
| 1963-08-06 | @ HOU | 112 | W 3-1 | 63-49 | 3 | 10,466 | Jim Duffalo | Hal Brown | Jim Duffalo | Hal Brown | Don Larsen | 477 | 419 | 58 |
| 1963-08-07 | @ HOU | 113 | L 0-1 | 63-50 | 3 | 15,604 | Jack Sanford | Turk Farrell | Turk Farrell | Jack Sanford | Hal Woodeshick | 477 | 420 | 57 |
| 1963-08-09 | @ PHI | 114 | W 4-0 | 64-50 | 2 | 27,145 | Juan Marichal | Ray Culp | Juan Marichal | Ray Culp | | 481 | 420 | 61 |
| 1963-08-10 | @ PHI | 115 | W 7-6 | 65-50 | 2 | 11,012 | Billy O'Dell | Dennis Bennett | Bobby Bolin | Dennis Bennett | Billy Hoeft | 488 | 426 | 62 |
| 1963-08-11 | @ PHI | 116 | W 5-1 | 66-50 | 2 | 15,874 | Jack Sanford | Cal McLish | Jack Sanford | Cal McLish | Don Larsen | 493 | 427 | 66 |
| 1963-08-12 | @ PHI | 117 | L 1-3 | 66-51 | 2 | 20,671 | Jim Duffalo | Chris Short | Chris Short | Jim Duffalo | | 494 | 430 | 64 |
| 1963-08-13 | @ CIN | 118 | L 0-4 | 66-52 | 2 | 15,453 | Juan Marichal | Jim Maloney | Jim Maloney | Juan Marichal | | 494 | 434 | 60 |
| 1963-08-14 | @ CIN | 119 | W 7-6 | 67-52 | 2 | 14,706 | Frank Linzy | John Tsitouris | Don Larsen | Bill Henry | Jim Duffalo | 501 | 440 | 61 |
| 1963-08-15 | @ CIN | 120 | W 6-3 | 68-52 | 2 | 13,488 | Jack Sanford | Joe Nuxhall | Jack Sanford | Joe Nuxhall | Billy Hoeft | 507 | 443 | 64 |
| 1963-08-16 | @ SLN | 121 | L 0-13 | 68-53 | 2 | 30,680 | Jim Duffalo | Curt Simmons | Curt Simmons | Jim Duffalo | | 507 | 456 | 51 |
| 1963-08-17 | @ SLN | 122 | L 7-8 | 68-54 | 3 | 28,306 | Juan Marichal | Ernie Broglio | Barney Schultz | Billy Pierce | | 514 | 464 | 50 |
| 1963-08-19 | @ SLN | 123 | L 7-8 | 68-55 | 3 | 10,384 | Jack Sanford | Bob Gibson | Sam Jones | Jack Fisher | | 521 | 472 | 49 |
| 1963-08-20 | vs MLN | 124 | L 1-6 | 68-56 | 3 | 19,983 | Billy Pierce | Bob Sadowski | Bob Sadowski | Billy Pierce | Bob Shaw | 522 | 478 | 44 |
| 1963-08-21 | vs MLN | 125 | L 2-6 | 68-57 | 3 | 14,015 | Gaylord Perry | Bob Hendley | Bob Hendley | Gaylord Perry | | 524 | 484 | 40 |
| 1963-08-22 | vs MLN | 126 | W 8-6 | 69-57 | 3 | 12,535 | Juan Marichal | Tony Cloninger | Juan Marichal | Tony Cloninger | | 532 | 490 | 42 |
| 1963-08-23 | vs CIN | 127 | W 11-3 | 70-57 | 3 | 22,256 | Jack Sanford | Jim Maloney | Bobby Bolin | Jim Maloney | | 543 | 493 | 50 |
| 1963-08-24 | vs CIN | 128 | W 4-3 | 71-57 | 3 | 24,838 | Billy O'Dell | John Tsitouris | Don Larsen | John Tsitouris | | 547 | 496 | 51 |
| 1963-08-25 | vs CIN | 129 | L 7-8 | 71-58 | 3 | 31,553 | Billy Pierce | Joe Nuxhall | Joey Jay | Gaylord Perry | Al Worthington | 554 | 504 | 50 |
| 1963-08-26 | vs SLN | 130 | L 3-6 | 71-59 | 3 | 18,744 | Juan Marichal | Ernie Broglio | Ron Taylor | Juan Marichal | Bobby Shantz | 557 | 510 | 47 |
| 1963-08-27 | vs SLN | 131 | W 7-2 | 72-59 | 3 | 30,514 | Jack Sanford | Curt Simmons | Jack Sanford | Curt Simmons | | 564 | 512 | 52 |
| 1963-08-28 | vs SLN | 132 | W 5-3 | 73-59 | 2 | 23,462 | Billy O'Dell | Bob Gibson | Billy O'Dell | Bob Gibson | | 569 | 515 | 54 |
| 1963-08-29 | @ LAN | 133 | L 1-11 | 73-60 | 2 | 54,978 | Bobby Bolin | Sandy Koufax | Sandy Koufax | Billy Pierce | | 570 | 526 | 44 |
| 1963-08-30 | @ LAN | 134 | L 1-3 | 73-61 | 4 | 54,843 | Juan Marichal | Don Drysdale | Don Drysdale | Juan Marichal | | 571 | 529 | 42 |
| 1963-08-31 | @ LAN | 135 | W 4-3 | 74-61 | 4 | 54,858 | Jack Sanford | Bob Miller | Don Larsen | Larry Sherry | | 575 | 532 | 43 |
| 1963-09-01 | @ LAN | 136 | L 3-5 | 74-62 | 4 | 54,263 | Billy O'Dell | Pete Richert | Dick Calmus | Don Larsen | Johnny Podres | 578 | 537 | 41 |
| 1963-09-02 | vs CHN | 137 | L 5-7 | 74-64 | 4 | 0 | Bobby Bolin | Dick Ellsworth | Dick Ellsworth | Gaylord Perry | Lindy McDaniel | 583 | 544 | 39 |
| 1963-09-02 | vs CHN | 138 | L 0-6 | 74-64 | 4 | 34,590 | Jack Fisher | Glen Hobbie | Glen Hobbie | Jack Fisher | | 583 | 550 | 33 |
| 1963-09-03 | vs CHN | 139 | W 16-3 | 75-64 | 3 | 5,448 | Juan Marichal | Larry Jackson | Juan Marichal | Larry Jackson | Billy Hoeft | 599 | 553 | 46 |
| 1963-09-04 | vs HOU | 140 | W 8-3 | 76-64 | 3 | 4,559 | Jack Sanford | Dick Drott | Jack Sanford | Dick Drott | | 607 | 556 | 51 |
| 1963-09-05 | vs HOU | 141 | L 2-5 | 76-65 | 4 | 5,107 | Bobby Bolin | Don Nottebart | Don Nottebart | Bobby Bolin | | 609 | 561 | 48 |
| 1963-09-06 | vs LAN | 142 | L 2-5 | 76-66 | 4 | 38,161 | Billy O'Dell | Sandy Koufax | Sandy Koufax | Billy O'Dell | Ron Perranoski | 611 | 566 | 45 |
| 1963-09-07 | vs LAN | 143 | W 5-3 | 77-66 | 4 | 36,879 | Juan Marichal | Don Drysdale | Juan Marichal | Don Drysdale | | 616 | 569 | 47 |
| 1963-09-08 | vs LAN | 144 | W 5-4 | 78-66 | 4 | 38,569 | Jack Sanford | Bob Miller | Don Larsen | Ron Perranoski | | 621 | 573 | 48 |
| 1963-09-10 | @ NYN | 145 | L 2-4 | 78-67 | 4 | 14,945 | Billy O'Dell | Carl Willey | Carl Willey | Billy O'Dell | | 623 | 577 | 46 |
| 1963-09-11 | @ NYN | 146 | L 2-4 | 78-68 | 4 | 7,178 | Jack Sanford | Al Jackson | Al Jackson | Jack Sanford | | 625 | 581 | 44 |
| 1963-09-12 | @ NYN | 147 | W 6-0 | 79-68 | 4 | 27,839 | Juan Marichal | Tracy Stallard | Juan Marichal | Tracy Stallard | | 631 | 581 | 50 |
| 1963-09-13 | @ PIT | 148 | L 4-5 | 79-69 | 4 | 6,100 | Bobby Bolin | Joe Gibbon | Bob Friend | Bob Garibaldi | | 635 | 586 | 49 |
| 1963-09-14 | @ PIT | 149 | W 7-3 | 80-69 | 4 | 5,489 | Jack Sanford | Don Cardwell | Jack Sanford | Don Cardwell | Billy Pierce | 642 | 589 | 53 |
| 1963-09-15 | @ PIT | 150 | W 13-5 | 81-69 | 3 | 18,916 | Billy O'Dell | Don Schwall | Billy O'Dell | Don Schwall | | 655 | 594 | 61 |
| 1963-09-16 | @ MLN | 151 | W 4-3 | 82-69 | 3 | 5,437 | Juan Marichal | Tony Cloninger | Juan Marichal | Tony Cloninger | | 659 | 597 | 62 |
| 1963-09-17 | @ MLN | 152 | W 11-3 | 83-69 | 3 | 33,676 | Bobby Bolin | Warren Spahn | Bobby Bolin | Warren Spahn | | 670 | 600 | 70 |
| 1963-09-18 | @ MLN | 153 | L 4-6 | 83-70 | 3 | 3,865 | Jack Sanford | Bob Sadowski | Bob Shaw | Billy O'Dell | | 674 | 606 | 68 |
| 1963-09-20 | vs NYN | 154 | W 6-3 | 84-70 | 3 | 9,326 | Juan Marichal | Carl Willey | Juan Marichal | Carl Willey | | 680 | 609 | 71 |
| 1963-09-21 | vs NYN | 155 | L 4-5 | 84-71 | 3 | 10,245 | Billy O'Dell | Al Jackson | Al Jackson | Billy O'Dell | Larry Bearnarth | 684 | 614 | 70 |
| 1963-09-22 | vs NYN | 156 | W 13-4 | 85-71 | 3 | 14,735 | Bobby Bolin | Jay Hook | Bobby Bolin | Jay Hook | Bob Garibaldi | 697 | 618 | 79 |
| 1963-09-24 | vs PHI | 157 | L 4-5 | 85-72 | 3 | 8,360 | Juan Marichal | Dennis Bennett | Jack Baldschun | Don Larsen | | 701 | 623 | 78 |
| 1963-09-25 | vs PHI | 158 | L 4-6 | 85-73 | 3 | 4,360 | Jack Sanford | Ray Culp | Art Mahaffey | Billy Pierce | Jack Baldschun | 705 | 629 | 76 |
| 1963-09-26 | vs PHI | 159 | W 10-0 | 86-73 | 3 | 3,691 | Billy O'Dell | Dallas Green | Billy O'Dell | Dallas Green | | 715 | 629 | 86 |
| 1963-09-27 | vs PIT | 160 | L 3-8 | 86-74 | 3 | 10,725 | Bobby Bolin | Bob Veale | Bob Veale | Bobby Bolin | | 718 | 637 | 81 |
| 1963-09-28 | vs PIT | 161 | W 3-2 | 87-74 | 3 | 10,332 | Juan Marichal | Joe Gibbon | Juan Marichal | Joe Gibbon | | 721 | 639 | 82 |
| 1963-09-29 | vs PIT | 162 | W 4-2 | 88-74 | 3 | 33,301 | Jack Sanford | Tommie Sisk | Jack Sanford | Tommie Sisk | Billy O'Dell | 725 | 641 | 84 |