Tatsuyoshi Koizumi
JPN
Open
JPN
Open
Races: 38
Series
| Current | Best | |
|---|---|---|
| World Ranking List | 30.6.2023: 111. (5056) | |
| World Ranking List - PreO | 181. (3788) | 30.6.2025: 144. (4279) |
| World Ranking List - TempO | 214. (1518) | 12.12.2025: 214. (1518) |
| World Ranking List - Sprint | 191. (3741) | 30.6.2025: 159. (4559) |
| YQ Combined Ranking | 30.4.2023: 86. (873) |