Results
| Challenger Suzhou | 10/19 03:00 | 14 | Koki Matsuda v Maxim Zhukov | 3-6,7-6,4-6 | |
| Challenger Shenzhen | 10/13 05:05 | 19 |
Aoran Wang
v
Koki Matsuda |
6-4,6-4 | |
| Challenger Shenzhen | 10/12 08:40 | 14 | Mikalai Haliak v Koki Matsuda | 2-6,6-7 | |
| UTR Pro Kawaguchi | 09/29 01:00 | 28 | Koki Matsuda v Kotaro Mochizuki | Walkover | |
| UTR Pro Kawaguchi | 09/28 01:00 | 29 | Koki Matsuda v Stefan Vujic | 7-6,7-6 | |
| UTR Pro Kawaguchi | 09/26 01:00 | - | Koki Matsuda v Christopher Kosei Ono | 6-0,6-0 | |
| UTR Pro Kawaguchi | 09/24 01:00 | - | Koki Matsuda v Yoshito Oda | 6-2,6-1 | |
| UTR Pro Kawaguchi | 09/23 03:15 | - | Koki Matsuda v Hien Pham | 6-0,6-4 | |
| UTR Pro Kawaguchi | 09/22 01:00 | - | Rei Sato v Koki Matsuda | 4-6,4-6 | |
| ITF M25 Takasaki | 09/17 02:30 | - | Koki Matsuda v Keisuke Saitoh | 3-6,6-4,2-6 | |
| ITF M25 Bali | 09/12 02:00 | - | Koki Matsuda v S D Prajwal Dev | 6-7,3-6 | |
| ITF M25 Bali | 09/11 02:00 | - | Koki Matsuda v Michael Zhu | 6-2,6-3 |
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