Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tainan | 2023/08/15 02:00 | Seita Watanabe v Takuya Kumasaka | 3-6,6-4,2-6 |
| ITF M25 Astana | 2023/08/03 10:50 | Khumoyun Sultanov v Seita Watanabe | 4-6,6-3,7-5 |
| ITF M25 Astana | 2023/08/02 10:25 | Seita Watanabe v Timur Maulenov | 3-6,6-3,6-2 |
| ITF M25 Astana | 2023/08/01 05:20 | Seita Watanabe v Mykhailo Mossur | 6-4,6-3 |
| ITF M25 Astana | 2023/07/31 05:40 | Seita Watanabe v Vitaliy Zatsepin | 6-2,6-2 |
| Challenger Astana | 2023/07/23 10:35 | Seita Watanabe v Egor Agafonov | 2-6,2-6 |
| ITF M15 Monastir | 2023/07/19 14:20 | Seita Watanabe v Gilbert S K Junior | 2-6,6-2,2-6 |
| ITF M15 Monastir | 2023/07/17 15:00 | Seita Watanabe v Vyacheslav Ovchinnikov | 6-2,6-2 |
| ITF M25 Yinchuan | 2023/08/18 03:40 | Dominik Palan v Duckhee Lee | 6-2,4-6,6-2 |
| ITF M25 Yinchuan | 2023/08/15 06:00 | Sheng Tang v Duckhee Lee | 2-6,5-7 |
| ITF M25 Baotou | 2023/08/11 01:30 | Evan Zhu v Duckhee Lee | 6-4,6-4 |
| ITF M25 Baotou | 2023/08/10 01:30 | Mattias Southcombe v Duckhee Lee | 3-6,4-6 |
| ITF M25 Baotou | 2023/08/09 01:30 | Linghao Zhang v Duckhee Lee | 3-6,4-6 |
| ITF M25 Anning | 2023/08/03 03:55 | Xiaofei Wang v Duckhee Lee | 6-4,6-2 |
| ITF M25 Anning | 2023/08/02 01:30 | Linghao Zhang v Duckhee Lee | 2-6,2-6 |
| ITF M15 Tianjin | 2023/07/08 01:30 | Jie Cui v Duckhee Lee | 4-6,6-1,7-6 |