Estadio: Court C1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tokyo | 2024/03/19 03:30 | Vit Kalina v Kasidit Samrej | 4-6,6-7 |
| ITF M15 Heraklion | 2024/03/06 13:10 | Vit Kalina v Jacob Bradshaw | 3-6,2-6 |
| ITF M15 Heraklion | 2024/03/05 08:00 | Vit Kalina v Niv Zuckerman | 6-1,6-4 |
| ITF M15 Cadolzburg | 2024/01/18 10:00 | Milan Welte v Vit Kalina | 6-2,6-4 |
| ITF M15 Cadolzburg | 2024/01/16 11:45 | Vit Kalina v Jannik Opitz | 6-1,5-7,6-4 |
| República Checa - Extraliga | 2023/12/14 11:00 | Dominik Kellovsky v Vit Kalina | 6-3,6-2 |
| ITF M15 Monastir | 2023/12/06 08:00 | Vit Kalina v Jakub Paul | 6-7,1-6 |
| ITF M15 Limassol | 2023/11/29 12:35 | Petros Chrysochos v Vit Kalina | 6-3,6-2 |
| ITF M15 Tsukuba | 2024/03/25 07:30 | Ryotaro Matsumura v Jumpei Yamasaki | 7-5,7-6 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Yeongseok Jeong v Ryotaro Matsumura | 3-6,4-6 |
| ITF M15 Nishi-Tokyo | 2024/03/19 01:00 | Leo Vithoontien v Ryotaro Matsumura | 3-6,6-4,10-6 |
| ITF M15 Hinode | 2024/03/11 05:40 | Ryotaro Matsumura v Gen Nakamura | 3-6,5-7 |
| ITF M15 Hinode | 2024/03/11 01:00 | Ryotaro Matsumura v Mao Takada | 6-2,6-0 |
| UTR Pro Kawaguchi | 2024/03/09 23:30 | Riku Takahata v Ryotaro Matsumura | 6-3,7-5 |
| UTR Pro Kawaguchi | 2024/03/09 02:30 | Haruki Katsushima v Ryotaro Matsumura | 1-6,6-4,2-6 |
| UTR Pro Kawaguchi | 2024/03/08 06:30 | Ryotaro Matsumura v Yuya Hirose | 6-3,6-1 |