Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - Sapporo M25 | 2023/09/04 01:00 | Koki Matsuda v Ko Suzuki | 6-1,4-6,7-10 |
| ITF - Tainan M25 | 2023/08/20 02:00 | Ko Suzuki v Kai-I Wang | 1-6,6-0,4-10 |
| ITF - Tainan M25 | 2023/08/15 03:55 | Lucio Carnevalle v Ko Suzuki | 3-6,6-2,6-2 |
| ITF - Tainan M25 | 2023/08/14 02:00 | Ko Suzuki v Tzu Li Chang | 6-2,6-3 |
| ITF - Tainan M25 | 2023/08/13 02:00 | Ko Suzuki v Jeffrey Hsu | 6-3,6-2 |
| ITF - Anseong M25 | 2023/06/21 04:10 | Daisuke Sumizawa v Ko Suzuki | 7-5,6-3 |
| ITF - Anseong M25 | 2023/06/19 05:40 | Ko Suzuki v Hayeon Seong | 6-4,6-4 |
| ITF - Anseong M25 | 2023/06/19 02:15 | Ko Suzuki v Min Seong Kim | 6-1,6-2 |
| ITF - Yinchuan M25 | 2023/08/15 06:40 | Woobin Shin v Aliaksandr Liaonenka | 4-6,6-4,4-6 |
| ITF - Baotou M25 | 2023/08/10 04:05 | Woobin Shin v Mikalai Haliak | 4-6,3-6 |
| ITF - Baotou M25 | 2023/08/08 02:55 | Woobin Shin v Antoine Berger | 7-5,7-6 |
| ITF - Anning M25 | 2023/08/01 05:20 | Hanwen Li v Woobin Shin | 2-6,6-1,6-4 |
| ITF - Fuzhou M25 | 2023/07/19 09:25 | Changli Zhang v Woobin Shin | 2-6,2-6 |
| ITF - Shanghai M15 | 2023/07/11 06:25 | Woobin Shin v Luca Castelnuovo | 6-7,7-6,3-6 |
| ITF - Tianjin M15 | 2023/07/07 01:25 | Woobin Shin v Jie Cui | 4-6,2-6 |
| ITF - Tianjin M15 | 2023/07/06 01:30 | Woobin Shin v Renlong Pang | 6-0,6-4 |