All available race results Itsuki Koide
| Date | Race | Rank |
| Tour de Kumano | ||
| 30/05 | Prologue | 70 |
| 31/05 | Stage 1 | 75 |
| 01/06 | Stage 2 | 23 |
| 02/06 | Stage 3 | 32 |
| General Classification | 19 | |
| 20/10 | Japan Cup | 25 |
Rider information for 2019
| Rank | 5790 |
| Score | 0 |
| Name | Itsuki KOIDE |
| Country | Japan |
| Team | Elite without contract |
| Date | Race | Rank |
| Tour of Japan | ||
| 28/05 | Stage 1 | 17 |
| 29/05 | Stage 2 | 4 |
| 30/05 | Stage 3 | 39 |
| General Classification | 13 | |
| Tour de l'Avenir | ||
| 13/08 | Prologue | 166 |
| 14/08 | Stage 1 | 96 |
| 16/08 | Stage 3 | 120 |
| 17/08 | Stage 4 | 85 |
| 18/08 | Stage 5 | 120 |
| 19/08 | Stage 6 | 82 |
| 20/08 | Stage 7 | 64 |
| 21/08 | Stage 8 | 49 |
| 22/08 | Stage 9 | 83 |
| General Classification | 73 |
Rider information for 2021
| Rank | 3519 |
| Score | 1 |
| Name | Itsuki KOIDE |
| Country | Japan |
| Team | Elite without contract |
| Date | Race | Rank |
| 02/10 | Oita Urban Classic Road Race | 3 |
Rider information for 2022
| Rank | 3185 |
| Score | 3 |
| Name | Itsuki KOIDE |
| Country | Japan |
| Team | Kinan Racing Team |