| UTR Pro Tennis Series Miki | 2022/07/08 06:15 | Tagashira, Kento v Ryotaro Matsumura | 5-7,1-6 |
| UTR Pro Miki | 2023/04/13 06:45 | Ryotaro Matsumura v Graham Maassen | 6-0,6-2 |
| UTR Pro Miki | 2023/04/12 00:30 | Taketo Takamisawa v Ryotaro Matsumura | 6-4,2-6,4-6 |
| UTR Pro Miki | 2023/04/11 02:00 | Lemiel Kei Taira v Ryotaro Matsumura | 2-6,0-6 |
| 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 Loulé | 2023/03/01 13:30 | Goncalo Oliveira v Ryotaro Matsumura | 6-1,6-2 |
| ITF - M25 Loulé | 2023/02/28 14:10 | Harry Wendelken v Ryotaro Matsumura | 7-5,3-6,4-10 |
| ITF - M25 Loulé | 2023/02/27 10:00 | Joao Dinis Silva v Ryotaro Matsumura | 6-7,3-6 |
| UTR Pro Miki | 2023/04/13 04:30 | Taketo Takamisawa v Tagashira, Kento | 6-2,6-3 |
| UTR Pro Miki | 2023/04/12 03:36 | Lemiel Kei Taira v Tagashira, Kento | 2-6,2-6 |
| UTR Pro Miki | 2023/04/10 05:30 | Graham Maassen v Tagashira, Kento | 6-4,3-6,2-6 |
| UTR Pro Miki | 2023/02/11 00:30 | Ryuki Matsuda v Tagashira, Kento | 6-2,6-1 |
| UTR Pro Miki | 2023/02/09 00:30 | Tagashira, Kento v Kawahashi, Yuta | 2-6,2-6 |
| UTR Pro Miki | 2023/02/08 04:00 | Tagashira, Kento v Yuichiro Inui | 4-6,3-6 |
| UTR Pro Miki | 2023/02/07 00:30 | Tagashira, Kento v Hiromasa Koyama | 6-3,7-5 |
| UTR Pro Tennis Series Miki | 2022/12/11 00:30 | Tagashira, Kento v Daisuke Inagawa | 6-4,6-4 |