All available race results Kosuke Hirai
| Date | Race | Rank |
| Tour of Japan | ||
| 28/05 | Stage 1 | 23 |
| 29/05 | Stage 2 | 42 |
| 30/05 | Stage 3 | 47 |
| General Classification | 24 |
Rider information for 2021
| Rank | 5364 |
| Score | 0 |
| Name | Kosuke HIRAI |
| Country | Japan |
| Team | Elite without contract |