Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Kobe | 2025/11/09 02:00 | Sanhui Shin v Mitsuki Wei Kang Leong | 3-6,2-6 |
| Challenger Matsuyama | 2025/11/04 04:50 | Sanhui Shin v Shunsuke Nakagawa | 6-2,5-7,3-6 |
| Challenger Seoul | 2025/10/28 05:45 | Sanhui Shin v Yi Zhou | 6-7,0-6 |
| Challenger Jinan | 2025/10/06 03:00 | Pavel Kotov v Sanhui Shin | 6-4,6-1 |
| Challenger Jingshan | 2025/09/24 05:15 | Dalibor Svrcina v Sanhui Shin | 6-1,6-0 |
| Challenger Jingshan | 2025/09/23 03:50 | Ryan Seggerman v Sanhui Shin | 7-6,4-6,3-6 |
| Challenger Jingshan | 2025/09/22 07:50 | Yuta Kikuchi v Sanhui Shin | 6-3,1-6,2-6 |
| ITF M25 Takasaki | 2025/09/20 02:30 | Hikaru Shiraishi v Sanhui Shin | 6-4,3-6,5-3 |
| Challenger Brisbane | 2025/11/11 00:00 | Rio Noguchi v Jake Delaney | 2-6,6-7 |
| Challenger Matsuyama | 2025/11/07 02:00 | Henrique Rocha v Rio Noguchi | 7-5,4-6,6-3 |
| Challenger Matsuyama | 2025/11/05 03:30 | Philip Sekulic v Rio Noguchi | 2-6,6-7 |
| Challenger Matsuyama | 2025/11/04 01:00 | Yusuke Takahashi v Rio Noguchi | 5-7,4-6 |
| Challenger Seoul | 2025/10/29 02:00 | Rio Noguchi v Sho Shimabukuro | 4-6,3-6 |
| Challenger Seoul | 2025/10/27 06:40 | James Duckworth v Rio Noguchi | 6-1,5-7,3-6 |
| Challenger Shenzhen | 2025/10/15 05:30 | Rio Noguchi v Kaichi Uchida | 7-5,4-6,3-6 |
| Challenger Jinan | 2025/10/06 04:35 | Rio Noguchi v Sergey Fomin | 7-6,4-6,6-7 |