| Tatsuomi Koishi | ||
| Birth Date | 1977-08-22 (age 46) | |
| Birth Place |  |
Saga |
| Height | 164 cm | |
| Weight | 59 kg | |
| Position | Midfielder | |
| Club Statistics | ||||||
| Season | Club | No. | League | Game | Goal | |
| 2000 | |
Sagan Tosu | 23 | J2 | 22 | 4 |
| 2001 | |
Sagan Tosu | 23 | J2 | 19 | 6 |
| 2002 | |
Sagan Tosu | 23 | J2 | 31 | 3 |
| 2003 | |
Sagan Tosu | 8 | J2 | 29 | 0 |
| 2004 | |
Sagan Tosu | 23 | J2 | 39 | 2 |
| 2005 | |
Sagan Tosu | 23 | J2 | 1 | 0 |
| Total | J1 | 0 | 0 | |||
| J2 | 141 | 15 | ||||
