Ground: Hardcourt outdoor
| Challenger Yokkaichi | 2024/11/25 01:00 | Philip Henning v Takuya Kumasaka | 6-1,6-2 |
| Challenger Yokkaichi | 2024/11/24 01:00 | Thomas Fancutt v Takuya Kumasaka | 6-7,4-6 |
| Challenger Yokohama | 2024/11/17 07:45 | Takuya Kumasaka v Christoph Negritu | 2-6,1-6 |
| Challenger Kobe | 2024/11/10 04:55 | Takuya Kumasaka v Kris Van Wyk | 6-4,6-7,2-6 |
| Challenger Matsuyama | 2024/11/04 01:00 | Kokoro Isomura v Takuya Kumasaka | 7-6,3-6,7-6 |
| Challenger Matsuyama | 2024/11/03 01:00 | Takuya Kumasaka v Kris Van Wyk | 6-4,6-0 |
| Challenger Sydney | 2024/10/29 00:55 | Omar Jasika v Takuya Kumasaka | 6-2,5-7,7-5 |
| Challenger Sydney | 2024/10/28 00:45 | Takuya Kumasaka v Zura Tkemaladze | 4-6,6-3,6-1 |
| ITF M25 Sapporo | 2024/09/09 04:50 | Yuta Kikuchi v Ryo Tabata | 6-4,6-7,10-4 |
| ITF M15 Tokyo | 2024/07/09 03:00 | Kenta Miyoshi v Ryo Tabata | 6-3,6-1 |
| ITF M15 Tokyo | 2024/07/08 01:00 | Natsuki Yamamoto v Ryo Tabata | 4-6,6-3,13-15 |
| ITF M15 Tokyo | 2024/07/03 05:30 | Renta Tokuda v Ryo Tabata | 6-2,6-3 |
| ITF M15 Karuizawa | 2024/05/30 03:20 | Ryo Tabata v Ryota Tanuma | 2-6,3-6 |
| ITF M15 Karuizawa | 2024/05/29 03:00 | Mitsuki Wei Kang Leong v Ryo Tabata | 1-6,3-6 |