All available race results Ján "Jean" Otto
| Date | Race | Rank |
| 20/08 | G.P. de Fourmies | 7 |
Rider information for 1933
| Rank | 1946 |
| Score | 0 |
| Name | Ján "Jean" OTTO |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| 23/06 | Circuit Minier et Métallurgique du Nord | 14 |
Rider information for 1935
| Rank | 1827 |
| Score | 0 |
| Name | Ján "Jean" OTTO |
| Country | Poland |
| Team | Individual |