Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| 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 | Kenta Miyoshi v Hien Q H Pham | 6-1,6-1 |
| ITF M15 Tokyo | 2024/07/04 03:50 | Kokoro Isomura v Kenta Miyoshi | 7-5,3-6,6-3 |
| ITF M15 Tokyo | 2024/07/02 04:40 | Keisuke Saitoh v Kenta Miyoshi | 6-7,0-6 |
| ITF M25 Changwon | 2024/06/21 05:10 | Kenta Miyoshi v Edward Winter | 3-6,2-6 |
| ITF M25 Changwon | 2024/06/20 02:50 | Kenta Miyoshi v Taketo Takamisawa | 6-1,6-0 |
| ITF M25 Changwon | 2024/06/19 01:00 | Seon Yong Han v Kenta Miyoshi | 3-6,3-6 |
| ITF M15 Anseong | 2024/06/14 01:00 | Sanhui Shin v Kenta Miyoshi | 1-6,6-3,6-2 |
| ITF M15 Tokyo | 2024/07/03 03:30 | Hiromasa Koyama v Ryotaro Matsumura | 4-6,5-7 |
| ITF M15 Hinode | 2024/03/11 01:00 | Hiromasa Koyama v Hong Kit Wong | 7-6,3-6,4-10 |
| UTR Pro Noda | 2023/08/26 00:00 | Hiromasa Koyama v Paul Howe | 6-7,6-7 |
| UTR Pro Noda | 2023/08/25 00:00 | Hiromasa Koyama v Hiiro Sakamoto | 1-6,1-6 |
| UTR Pro Noda | 2023/08/23 06:30 | Hiromasa Koyama v Yuta Tomida | 1-6,3-6 |
| UTR Pro Osaka | 2023/07/30 04:30 | Koki Ohnuma v Hiromasa Koyama | 6-3,5-2 |
| UTR Pro Osaka | 2023/07/28 06:54 | Hiromasa Koyama v Ryoma Matsushita | 1-6,2-6 |
| UTR Pro Osaka | 2023/07/27 06:00 | Hiromasa Koyama v Shu Matsuoka | 1-6,4-6 |