stadio: Court 4 Round: 25 Ground: Clay
| 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 |
| UTR Pro Tennis Series Texas | 2022/08/20 18:00 | Franco Ribero v Hiroki Sakagawa | 7-6,5-0 |
| UTR Pro Tennis Series Texas | 2022/08/18 19:30 | Hiroki Sakagawa v Alex Koong | 6-2,5-2 |
| UTR Pro Tennis Series Texas | 2022/08/17 18:00 | Callaway Clark v Hiroki Sakagawa | 0-6,6-4,7-6 |
| UTR Pro Tennis Series Texas | 2022/08/16 22:53 | Hiroki Sakagawa v Vishwa Aduru | 6-0,6-3 |
| UTR Pro Tennis Series Texas | 2022/08/15 18:00 | Ethan Muza v Hiroki Sakagawa | 6-1,4-6,6-3 |
| ITF M25 Changwon | 2023/06/15 01:25 | Makoto Ochi v Duckhee Lee | 6-0,4-6,6-2 |
| ITF M25 Daegu | 2023/06/06 03:10 | Duckhee Lee v Jumpei Yamasaki | 1-6,6-4,4-6 |
| ITF M25 Giacarta | 2023/06/01 03:55 | Fitriadi M Rifqi v Duckhee Lee | 6-0,3-6,6-1 |
| Challenger Busan | 2023/05/07 05:05 | Duckhee Lee v Hiroki Moriya | 6-7,0-6 |
| Challenger Seul | 2023/04/26 05:10 | James Duckworth v Duckhee Lee | 7-6,1-6,6-1 |
| Challenger Seul | 2023/04/24 05:05 | Luke Saville v Duckhee Lee | 3-6,3-6 |
| Challenger Seul | 2023/04/23 06:00 | Duckhee Lee v Jason Jung | 7-6,6-4 |
| ITF M25 Giacarta | 2023/04/22 03:55 | Jeamoon Lee v Duckhee Lee | 6-2,6-2 |