Stadium: 10 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2024/09/01 01:00 | Ryotaro Matsumura v Calvin Thalheimer | 6-0,6-0 |
| ITF M25 Sapporo | 2024/09/05 05:30 | Ryotaro Matsumura v Naoki Nakagawa | 7-5,2-6,3-6 |
| ITF M25 Sapporo | 2024/09/04 02:50 | Ryotaro Matsumura v Taisei Ichikawa | 2-6,7-5,6-4 |
| ITF M25 Sapporo | 2024/09/01 01:00 | Ryotaro Matsumura v Calvin Thalheimer | 6-0,6-0 |
| UTR Pro Kawaguchi | 2024/08/17 02:06 | Yuta Tomida v Ryotaro Matsumura | 6-3,6-2 |
| UTR Pro Kawaguchi | 2024/08/15 06:46 | Ryo Minakata v Ryotaro Matsumura | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/08/15 01:43 | Kazuma Kawachi v Ryotaro Matsumura | 5-7,6-7 |
| UTR Pro Kawaguchi | 2024/08/12 03:30 | Yuki Karatsu v Ryotaro Matsumura | 3-6,1-5 |
| ITF M15 Tokyo | 2024/07/10 07:25 | Sanhui Shin v Ryotaro Matsumura | 5-7,7-6,6-4 |
| ITF M25 Sapporo | 2024/09/01 01:00 | Ryotaro Matsumura v Calvin Thalheimer | 6-0,6-0 |
| ITF M15 Huamantla | 2024/07/14 15:30 | Emiliano Aguilera Guerrero v Calvin Thalheimer | 6-3,7-5 |
| ITF M25 Laval | 2024/06/30 19:10 | Sasha Rozin v Calvin Thalheimer | 6-1,6-4 |
| ITF M25 Edmonton | 2023/10/30 20:15 | Nicolas Kotzen v Calvin Thalheimer | 6-1,6-2 |
| ITF M25 Edmonton | 2023/10/29 23:05 | Calvin Thalheimer v Eloi Roux | 6-4,6-4 |
| ITF M15 Monastir | 2023/10/01 08:00 | Calvin Thalheimer v Carl Holder | 1-6,1-6 |
| ITF M15 Monastir | 2023/09/25 08:30 | Calvin Thalheimer v Shivank Bhatnagar | 2-6,3-6 |
| ITF M15 Monastir | 2023/09/24 10:30 | Calvin Thalheimer v Hippolyte Costa | 7-6,6-2 |