All races
All races where Ohain was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 1972-04-06 | Ronde van België / Tour de Belgique | Stage 5b (ITT) |
| 2 | 1972-04-06 | Ronde van België / Tour de Belgique | Stage 5a |
| 3 | 1967-09-27 | Tweedaagse van Bertrix | Stage 1 |