All available race results Ryoma Watanabe
| Date | Race | Rank |
| 10/10 | Oita Urban Classic Road Race | 23 |
Rider information for 2021
| Rank | 4341 |
| Score | 0 |
| Name | Ryoma WATANABE |
| Country | Japan |
| Team | Elite without contract |
No results available in season 2023.
Rider information for 2023
| Rank | 6459 |
| Score | 0 |
| Name | Ryoma WATANABE |
| Country | Japan |
| Team | VC Fukuoka |
| Date | Race | Rank |
| 25/02 | Tour of Alanya | 60 |
| 02/03 | G.P. Syedra Ancient City | 32 |
Rider information for 2024
| Rank | 4252 |
| Score | 0 |
| Name | Ryoma WATANABE |
| Country | Japan |
| Team | VC Fukuoka |