Stadium: 7 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2024/09/04 04:25 | Goncalo Oliveira v Yusuke Yoshikawa | 6-0,6-2 |
| ITF M25 Sapporo | 2024/09/02 01:20 | Ko Suzuki v Yusuke Yoshikawa | 4-6,6-4,9-11 |
| ITF M25 Sapporo | 2024/09/01 01:00 | Yusuke Yoshikawa v Zachary Adam-Gedge | 6-3,7-6 |
| UTR Pro Urayasu | 2024/05/11 03:00 | Yusuke Yoshikawa v Koki Takada | 1-6,1-6 |
| UTR Pro Urayasu | 2024/05/10 00:00 | Yusuke Yoshikawa v Christopher Kosei Ono | 6-1,7-6 |
| UTR Pro Urayasu | 2024/05/09 03:00 | Yusuke Yoshikawa v Hamish Bartos | 6-3,5-2 |
| UTR Pro Urayasu | 2024/05/08 03:00 | Ryoto Tachi v Yusuke Yoshikawa | 0-0 |
| UTR Pro Urayasu | 2024/05/08 00:00 | Yuki Mochizuki v Yusuke Yoshikawa | 6-3,6-4 |
| ITF M25 Sapporo | 2024/09/02 02:35 | Brandon Perez v Seiya Nakanishi | 7-5,6-1 |
| UTR Pro Kawaguchi | 2024/08/18 00:00 | Seiya Nakanishi v Kazuki Sugimoto | 3-6,2-6 |
| UTR Pro Kawaguchi | 2024/08/17 00:00 | Sora Fukuda v Seiya Nakanishi | 3-6,0-6 |
| UTR Pro Kawaguchi | 2024/08/15 07:43 | Daisuke Sumizawa v Seiya Nakanishi | 6-2,6-3 |
| UTR Pro Kawaguchi | 2024/08/15 01:00 | Christopher Kosei Ono v Seiya Nakanishi | 6-7,5-7 |
| UTR Pro Kawaguchi | 2024/08/13 03:30 | Emon Van Loben Sels v Seiya Nakanishi | 6-3,6-1 |
| UTR Pro Kawaguchi | 2024/08/12 03:30 | Seiya Nakanishi v Mao Takada | 6-4,6-2 |
| ITF M15 Tokyo | 2024/07/09 00:55 | Seiya Nakanishi v Yusaku Sugaya | 2-6,2-6 |