| UTR Pro Tennis Series Miki | 2022/07/04 00:30 | Yamato Sueoka v Tatsuma Ito | 4-6,4-6 |
| ITF M25 Harmon | 2022/06/09 03:15 | Tatsuma Ito v Kokoro Isomura | 7-6,1-6,4-6 |
| ITF M25 Harmon | 2022/06/08 04:10 | Tatsuma Ito v Victor Putter | 6-1,6-4 |
| ITF M25 Harmon | 2022/06/04 01:20 | Tatsuma Ito v Rio Noguchi | 1-6,3-6 |
| ITF M25 Harmon | 2022/06/03 02:50 | Tatsuma Ito v Takuto Niki | 6-1,6-2 |
| ITF M25 Harmon | 2022/06/02 03:10 | Tatsuma Ito v Victor Putter | 6-1,6-0 |
| ITF M25 Harmon | 2022/05/31 00:00 | Tatsuma Ito v Ian Turner | 6-0,6-3 |
| Challenger Puerto Vallarta | 2021/11/27 02:00 | Alejandro Tabilo v Tatsuma Ito | 6-2,6-2 |
| UTR Pro Tennis Series California | 2021/05/26 15:00 | Matthew Tsolakyan v Hiroki Sakagawa | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/05/25 15:00 | Aditya Gupta v Hiroki Sakagawa | 6-3,5-4 |
| UTR Pro Tennis Series California | 2021/05/24 16:30 | Connor Farren v Hiroki Sakagawa | 6-2,6-3 |
| UTR Pro Tennis Series California | 2021/05/23 16:30 | Nathan Oppenheim v Hiroki Sakagawa | 1-6,1-6 |