Stadium: Fukui Sports Park - Court 2 Ground: Hardcourt outdoor
Referee:
| UTR Pro Urayasu | 2025/05/23 08:45 | Taiyo Kurata v Kosuke Nakanishi | 3-6,7-6,6-4 |
| UTR Pro Urayasu | 2025/05/22 07:00 | Kosuke Nakanishi v Ryotaro Matsumura | 6-7,3-6 |
| UTR Pro Urayasu | 2025/05/21 02:40 | Kosuke Nakanishi v Emiliano Jorquera | 6-0,6-2 |
| UTR Pro Urayasu | 2025/05/20 03:15 | Kosuke Nakanishi v Toa Maeda | 6-2,6-4 |
| UTR Pro Urayasu | 2025/05/19 01:00 | Kosuke Nakanishi v Takeyasu Sekiguchi | 7-6,6-2 |
| UTR Pro Kawaguchi | 2024/06/29 23:30 | Kosuke Nakanishi v Jonathan Irwanto | 6-2,7-5 |
| UTR Pro Kawaguchi | 2024/06/29 09:00 | Yoshinori Kobayashi v Kosuke Nakanishi | 1-6,2-6 |
| UTR Pro Kawaguchi | 2024/06/29 01:00 | Kosuke Nakanishi v Seiya Nakanishi | 6-4,1-6,4-6 |
| UTR Pro Urayasu | 2025/05/24 01:35 | Satoru Nakajima v Christopher Kosei Ono | 7-6,6-3 |
| UTR Pro Urayasu | 2025/05/23 02:55 | Christopher Kosei Ono v Maximus Z Wong | 5-7,6-3,3-6 |
| UTR Pro Urayasu | 2025/05/22 01:00 | Christopher Kosei Ono v Kotaro Mochizuki | 3-6,7-6,1-6 |
| UTR Pro Urayasu | 2025/05/21 04:40 | Mattias Southcombe v Christopher Kosei Ono | 3-6,4-6 |
| UTR Pro Urayasu | 2025/05/20 04:25 | Gaku Nayuki v Christopher Kosei Ono | 6-3,6-2 |
| UTR Pro Kawaguchi | 2025/05/03 00:00 | Koyu Yanagi v Christopher Kosei Ono | 3-6,6-4,6-1 |
| UTR Pro Kawaguchi | 2025/05/01 02:55 | Christopher Kosei Ono v Yuta Dokai | 2-6,6-1,6-3 |
| UTR Pro Kawaguchi | 2025/05/01 00:00 | Christopher Kosei Ono v Ryota Tanuma | 1-6,1-6 |