All available race results Kohiro Hatsukawa
| Date | Race | Rank |
| Tour de Kyushu | ||
| 07/10 | Stage 1 | 87 |
| 08/10 | Stage 2 | 81 |
| 09/10 | Stage 3 | 54 |
| General Classification | 70 |
Rider information for 2023
| Rank | 7371 |
| Score | 0 |
| Name | Kohiro HATSUKAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Prologue | 75 |
| 20/05 | Stage 1 | 73 |
| 21/05 | Stage 2 | 80 |
| 22/05 | Stage 3 | 79 |
| 23/05 | Stage 4 | 66 |
| 24/05 | Stage 5 | 56 |
| 25/05 | Stage 6 | 71 |
| 26/05 | Stage 7 | 80 |
| General Classification | 72 | |
| Tour de Langkawi | ||
| 29/09 | Stage 1 | 128 |
| 30/09 | Stage 2 | 46 |
| 01/10 | Stage 3 | 119 |
| 02/10 | Stage 4 | 104 |
| 03/10 | Stage 5 | 96 |
| 04/10 | Stage 6 | 92 |
| 05/10 | Stage 7 | 24 |
| 06/10 | Stage 8 | 41 |
| General Classification | 101 | |
| Tour de Kyushu | ||
| 12/10 | Stage 1 | 87 |
| 13/10 | Stage 2 | 68 |
| 14/10 | Stage 3 | 79 |
| General Classification | 83 |
Rider information for 2024
| Rank | 5522 |
| Score | 0 |
| Name | Kohiro HATSUKAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| Tour de Kumano | ||
| 08/05 | Stage 1 | 104 |
| 09/05 | Stage 2 | 71 |
| 10/05 | Stage 3 | 79 |
| Tour de Gyeongnam | ||
| 04/06 | Stage 1 | 64 |
| 05/06 | Stage 2 | 70 |
| 06/06 | Stage 3 | 71 |
| 07/06 | Stage 4 | 86 |
| 08/06 | Stage 5 | 93 |
| General Classification | 65 |
Rider information for 2025
| Rank | 5265 |
| Score | 0 |
| Name | Kohiro HATSUKAWA |
| Country | Japan |
| Team | Aisan Racing Team |