All available race results Masatoshi Oba
| Date | Race | Rank |
| 06/05 | Circuit De Wallonie | 108 |
Rider information for 2012
| Rank | 4994 |
| Score | 0 |
| Name | Masatoshi OBA |
| Country | Japan |
| Team | Elite without contract |
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Prologue | 77 |
| 21/05 | Stage 2 | 79 |
Rider information for 2013
| Rank | 1353 |
| Score | 15 |
| Name | Masatoshi OBA |
| Country | Japan |
| Team | C Project |
| Date | Race | Rank |
| Tour of Japan | ||
| 18/05 | Prologue | 27 |
| 20/05 | Stage 2 | 68 |
| 21/05 | Stage 3 | 46 |
| 23/05 | Stage 4 | 76 |
Rider information for 2014
| Rank | 4835 |
| Score | 0 |
| Name | Masatoshi OBA |
| Country | Japan |
| Team | C Project |