| UTR Pro Tennis Series Miki | 2022/07/09 00:30 | Ryuki Matsuda v Kazuki Nishiwaki | 1-6,1-6 |
| UTR Pro Tennis Series Miki | 2022/07/08 00:30 | Hiroki Sakagawa v Kazuki Nishiwaki | 1-6,7-6,2-6 |
| UTR Pro Tennis Series Miki | 2022/07/07 02:00 | Yamato Sueoka v Kazuki Nishiwaki | 1-6,2-6 |
| UTR Pro Tennis Series Miki | 2022/07/06 05:00 | Tatsuma Ito v Kazuki Nishiwaki | 7-6,6-4 |
| 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 |
| UTR Pro Tennis Series Miki | 2022/07/09 02:00 | Ryotaro Matsumura v Tomohiro Masabayashi | 6-3,3-6,7-6 |
| UTR Pro Tennis Series Miki | 2022/07/08 06:15 | Kento Tagashira v Ryotaro Matsumura | 5-7,1-6 |
| UTR Pro Tennis Series Miki | 2022/07/07 03:30 | Reiya Komagata v Ryotaro Matsumura | 2-6,2-6 |
| UTR Pro Tennis Series Miki | 2022/07/06 06:30 | Yuichiro Inui v Ryotaro Matsumura | 3-6,3-6 |
| UTR Pro Tennis Series Miki | 2022/07/04 02:00 | Jumpei Yamasaki v Ryotaro Matsumura | 6-4,6-2 |
| ITF M15 Chiang Rai | 2022/04/19 02:00 | S D Prajwal Dev v Ryotaro Matsumura | 6-4,6-2 |
| ITF M15 Chiang Rai | 2022/04/18 02:00 | Ryotaro Matsumura v Jirat Navasirisomboon | 1-6,6-3,10-7 |
| ITF M15 Chiang Rai Qual | 2022/04/17 05:55 | Jayden Court v Ryotaro Matsumura | 6-7,4-6 |