| UTR - Pro Miki | 2023/04/10 01:00 | Taketo Takamisawa v Lemiel Kei Taira | 6-4,6-0 |
| ITF - M25 Tsukuba | 2023/03/27 06:00 | Naoki Tajima v Ryotaro Matsumura | 6-3,0-6,10-4 |
| ITF - M25 Tsukuba | 2023/03/27 00:30 | Yamato Sueoka v Ryotaro Matsumura | 2-6,6-7 |
| ITF M25 Loule | 2023/03/01 13:30 | Goncalo Oliveira v Ryotaro Matsumura | 6-1,6-2 |
| ITF M25 Loule | 2023/02/28 14:10 | Harry Wendelken v Ryotaro Matsumura | 7-5,3-6,4-10 |
| ITF M25 Loule | 2023/02/27 10:00 | Joao Dinis Silva v Ryotaro Matsumura | 6-7,3-6 |
| ITF M25 Loule | 2023/02/26 10:00 | Adam Blecha v Ryotaro Matsumura | 2-6,4-6 |
| ITF M25 Faro | 2023/02/20 10:00 | Guy Den Heijer v Ryotaro Matsumura | 6-4,4-6,10-3 |
| ITF M25 Faro | 2023/02/19 10:00 | Miguel Garcia v Ryotaro Matsumura | 1-6,3-6 |