Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/19 12:00 | Thanapet Chanta v Ryotaro Matsumura | 3-6,2-6 |
| ITF M15 Monastir | 2021/09/14 08:00 | Giovanni Oradini v Ryotaro Matsumura | 6-2,6-2 |
| ITF M15 Monastir | 2021/09/13 09:00 | Ryotaro Matsumura v Credit Chaiyarin | 6-4,6-1 |
| ITF M15 Cancun | 2020/03/09 15:00 | Jose Olivares v Ryotaro Matsumura | 6-3,7-5 |
| ITF M15 Cancun | 2020/03/09 14:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,2-6 |
| ITF M15 Cancun | 2020/03/08 17:00 | Ryotaro Matsumura v Luis Humberto Lopez | 6-2,4-6,10-8 |
| ITF M15 Changwon | 2019/10/14 04:50 | Jeamoon Lee v Ryotaro Matsumura | 7-5,4-6,10-7 |
| ITF M15 Cancun | 2019/09/11 20:25 | Kalman Boyd v Ryotaro Matsumura | 6-7,6-1,6-1 |
| ITF M15 Monastir | 2021/09/19 12:00 | Tathagat Charantimath v Mohamed Amine Aissa Khelifa | 6-1,3-6,12-10 |
| ITF M15 Monastir | 2021/09/13 10:30 | Tathagat Charantimath v Mattias Southcombe | 2-6,2-6 |
| ITF M15 Monastir | 2021/09/12 09:00 | Preston Connor v Tathagat Charantimath | 4-6,6-4,8-10 |