| Tadashi Koya | ||
| Birth Date | 1970-05-24 (age 53) | |
| Birth Place |  |
Kanagawa |
| Height | 173 cm | |
| Weight | 70 kg | |
| Position | Defender | |
| Club Statistics | ||||||
| Season | Club | No. | League | Game | Goal | |
| 1993 | |
JEF United Ichihara | - | J | 3 | 0 |
| 1994 | |
JEF United Ichihara | - | J | 21 | 0 |
| 1995 | |
JEF United Ichihara | - | J | 0 | 0 |
| Total | J | 24 | 0 | |||
