| UTR Pro Tennis Series Miki | 2022/07/05 05:00 | Tatsuma Ito v Hiroki Sakagawa | 6-4,5-1 |
| 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 |
| UTR Pro Tennis Series Miki | 2022/07/04 00:30 | Shin Inoue v Kazuki Nishiwaki | 6-4,3-6,0-6 |
| ITF M15 Antalya | 2022/04/03 07:00 | Kazuki Nishiwaki v Daniil Ostapenkov | 1-6,7-5,9-11 |
| ITF M15 Antalya | 2022/03/23 10:30 | Kazuki Nishiwaki v Rudolf Molleker | 1-6,3-6 |
| ITF M15 Antalya | 2022/03/22 10:55 | Kazuki Nishiwaki v Gabriele Pennaforti | 3-6,4-6 |
| ITF M15 Antalya | 2022/03/21 08:10 | Kazuki Nishiwaki v Samuil Konov | 6-2,6-3 |
| ITF M15 Antalya | 2022/03/20 07:00 | Kazuki Nishiwaki v Karim Al-Amin | 6-4,6-3 |
| ITF M25 Antalya | 2022/03/16 07:00 | Kazuki Nishiwaki v Sarp Agabigun | 6-2,2-6,0-6 |
| ITF M25 Antalya | 2022/03/15 07:00 | Kazuki Nishiwaki v Credit Chaiyarin | 6-2,6-0 |