| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Wiesław Piotr•Błach | |
| Used name | Wiesław•Błach | |
| Born | 25 March 1962 in Opole, Opolskie |  POL |
| Measurements | 171 cm / 71 kg | |
| Affiliations | AZS-AWF Wrocław | |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Judo | POL |
Wiesław Błach | |||
| Lightweight, Men (Olympic) | =19 | |||||
| 1992 Summer Olympics | Judo | POL |
Wiesław Błach | |||
| Lightweight, Men (Olympic) | =7 |
