Stadium: Green Tennis Plaza - Court 05 Ground: Hardcourt outdoor
Referee:
| UTR Pro Kawaguchi | 2024/03/09 00:00 | Rei Sato v Christopher Kosei Ono | 3-6,7-6,6-7 |
| UTR Pro Kawaguchi | 2024/03/09 00:00 | Rei Sato v Christopher Kosei Ono | 3-6,7-6,6-7 |
| UTR Pro Kawaguchi | 2024/03/08 05:00 | So Hanatani v Rei Sato | 0-6,2-6 |
| UTR Pro Kawaguchi | 2024/03/07 03:08 | Ryoto Tachi v Rei Sato | 6-1,6-4 |
| UTR Pro Kawaguchi | 2024/03/05 00:00 | Ryotaro Matsumura v Rei Sato | 6-0,6-0 |
| UTR Pro Kawaguchi | 2024/03/04 05:00 | Yuya Hirose v Rei Sato | 4-6,2-6 |
| 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 |
| UTR Pro Kawaguchi | 2025/04/29 04:00 | Maximus Z Wong v Christopher Kosei Ono | 6-3,4-6,2-6 |
| UTR Pro Kawaguchi | 2025/04/27 02:40 | Kotaro Mochizuki v Christopher Kosei Ono | 2-6,6-3,6-4 |
| UTR Pro Kawaguchi | 2025/04/26 05:20 | Christopher Kosei Ono v Kosuke Morita | 6-4,6-3 |
| UTR Pro Kawaguchi | 2025/04/25 05:50 | Christopher Kosei Ono v Noritaka Koizumi | 3-6,0-6 |
| UTR Pro Kawaguchi | 2025/04/24 06:05 | Christopher Kosei Ono v Yuga Tashiro | 4-6,2-6 |