| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 2002 | Seibu | Jap Pac | Intl | - | 22 | 0 | 0 | 4.50 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 12 | 7 | 5 | 1 | 5 | 4 | 0 | 0 | 0 | 1.70 | 10.80 | 0.90 | 4.50 | 3.60 | 6.30 | 0.80 | |
| 2003 | Seibu | Jap Pac | Intl | - | 23 | 2 | 1 | 4.22 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 21.1 | 22 | 10 | 10 | 3 | 13 | 11 | 0 | 0 | 0 | 1.64 | 9.28 | 1.27 | 5.48 | 4.64 | 4.22 | 0.85 | |
| 2004 | Seibu | Jap Pac | Intl | - | 24 | 0 | 0 | 1.80 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 3 | 1 | 1 | 0 | 3 | 6 | 0 | 0 | 0 | 1.20 | 5.40 | 0.00 | 5.40 | 10.80 | 1.80 | 2.00 |