| Roles | Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Yoichi•Doi | |
| Used name | Yoichi•Doi | |
| Original name | 土肥•洋一 | |
| Born | 25 July 1973 in Kumamoto, Kumamoto |  JPN |
| Measurements | 184 cm / 84 kg | |
| Affiliations | Kashiwa Reysol — Kashiwa, Chiba | JPN |
| NOC | Japan | JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Football (Football) | JPN |
Yoichi Doi | |||
| Football, Men (Olympic) | Japan |
