Stadium: Court 3 Round: 19 Ground: Hardcourt outdoor
| UTR Pro Noda | 2023/08/26 04:45 | Naoya Honda v Ryotaro Matsumura | 6-2,6-1 |
| UTR Pro Noda | 2023/08/25 05:20 | Ryotaro Matsumura v Paul Howe | 6-2,6-0 |
| UTR Pro Noda | 2023/08/23 02:15 | Ryotaro Matsumura v Tomonobu Inagi | 6-0,6-2 |
| UTR Pro Noda | 2023/08/22 04:10 | Ryotaro Matsumura v Brody Nejedly-Krall | 6-1,6-4 |
| UTR Pro Noda | 2023/08/21 03:30 | Marsel Znuderl v Ryotaro Matsumura | 0-6,0-6 |
| ITF M15 Caloundra | 2023/08/01 03:40 | Kazuki Nishiwaki v Ryotaro Matsumura | 6-3,3-6,6-3 |
| ITF M15 Caloundra | 2023/07/25 04:15 | Ryotaro Matsumura v Thomas Braithwaite | 3-6,6-4,5-7 |
| ITF M15 Karuizawa | 2023/06/01 01:45 | Ryotaro Matsumura v Hikaru Shiraishi | 4-6,2-6 |
| UTR Pro Miki | 2023/07/01 04:41 | Shinde Yuzuki v Natsuki Yamamoto | 6-1,6-3 |
| UTR Pro Miki | 2023/06/30 00:30 | Natsuki Yamamoto v Kento Tagashira | 6-1,6-2 |
| UTR Pro Miki | 2023/06/29 03:30 | Natsuki Yamamoto v Taiyo Kurata | 6-7,0-6 |
| UTR Pro Miki | 2023/06/28 00:30 | Sota Minami v Natsuki Yamamoto | 4-6,6-7 |
| UTR Pro Miki | 2023/06/27 03:30 | Hiiro Sakamoto v Natsuki Yamamoto | 4-6,6-7 |
| UTR Pro Miki | 2023/04/21 05:30 | Henrik Heise Korsgaard v Natsuki Yamamoto | 6-3,6-4 |
| UTR Pro Miki | 2023/04/20 02:00 | Haruki Okude v Natsuki Yamamoto | 3-6,5-7 |
| UTR Pro Miki | 2023/04/18 02:00 | Bang Shuo Yin v Natsuki Yamamoto | 2-6,4-5 |