Stadium: Center A Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/06 03:05 | Ko Suzuki v Woobin Shin | 6-1,6-4 |
| ITF M25 Yinchuan | 2023/08/15 06:40 | Woobin Shin v Aliaksandr Liaonenka | 4-6,6-4,4-6 |
| ITF M25 Baotou | 2023/08/10 04:05 | Woobin Shin v Mikalai Haliak | 4-6,3-6 |
| ITF M25 Baotou | 2023/08/08 02:55 | Woobin Shin v Antoine Berger | 7-5,7-6 |
| ITF M25 Anning | 2023/08/01 05:20 | Hanwen Li v Woobin Shin | 2-6,6-1,6-4 |
| ITF M25 Fuzhou | 2023/07/19 09:25 | Changli Zhang v Woobin Shin | 2-6,2-6 |
| ITF M15 Shanghai | 2023/07/11 06:25 | Woobin Shin v Luca Castelnuovo | 6-7,7-6,3-6 |
| ITF M15 Tianjin | 2023/07/07 01:25 | Woobin Shin v Jie Cui | 4-6,2-6 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Hiroki Sakagawa v Hiroyasu Ehara | 6-7,6-1,10-6 |
| ITF M25 Sapporo | 2023/09/05 04:20 | Shuichi Sekiguchi v Hiroki Sakagawa | 6-3,6-2 |
| ITF M25 Sapporo | 2023/09/04 00:55 | Hiroki Sakagawa v Omar Fields | 5-7,6-3,13-11 |
| ITF M25 Sapporo | 2023/09/03 01:00 | Naoki Tajima v Hiroki Sakagawa | 2-6,3-6 |
| ITF M25 Anseong | 2023/06/21 03:40 | Hiroki Sakagawa v Duckhee Lee | 1-6,2-6 |
| ITF M25 Anseong | 2023/06/19 05:25 | Seung Woo Cho v Hiroki Sakagawa | 6-1,1-6,6-10 |
| ITF M25 Anseong | 2023/06/19 01:00 | Hyun Woo Cho v Hiroki Sakagawa | 6-4,2-6,4-10 |
| ITF M25 Anseong | 2023/06/18 01:00 | Hiroki Sakagawa v Jungmin Hwang | 6-0,6-2 |