Stadium: Show Court Round: 14 Ground: Hardcourt outdoor
| ITF - Daegu M15 | 2022/08/31 07:40 | Seon Yong Han v Woohyuk Sim | 6-2,7-6 |
| ITF - Daegu M15 | 2022/08/29 09:10 | Woohyuk Sim v Dogeon Park | 6-2,6-3 |
| ITF - Daegu M15 | 2022/08/29 06:00 | Woohyuk Sim v Sion Kwon | 6-4,7-6 |
| ITF - Anseong M15 | 2022/08/17 04:20 | Seon Yong Han v Woohyuk Sim | 6-3,6-3 |
| ITF - Monastir M25 | 2022/05/02 08:00 | Xiaofei Wang v Woohyuk Sim | 6-4,6-2 |
| ITF - Monastir M15 | 2022/04/27 11:35 | Woohyuk Sim v Beibit Zhukayev | 1-6,0-6 |
| ITF - Monastir M25 | 2022/04/25 13:30 | Woohyuk Sim v Brandon Perez | 6-4,7-5 |
| ITF - Monastir M25 | 2022/04/25 09:00 | Xiaofei Wang v Woohyuk Sim | 6-7,2-6 |
| ITF - Kashiwa M25 | 2022/09/29 01:00 | Rio Noguchi v Seita Watanabe | 6-7,6-3,6-3 |
| ITF - Kashiwa M25 | 2022/09/28 02:20 | Yudai Umeoka v Seita Watanabe | 1-6,1-6 |
| Challenger Nonthaburi - Kwalifikacje | 2022/09/04 08:30 | Seita Watanabe v Timo Legout | 2-6,6-4,2-6 |
| ITF - Cancun M15 | 2022/08/16 14:00 | Kalman Boyd v Seita Watanabe | 6-2,6-4 |
| ITF - Cancun M15 | 2022/08/11 19:50 | Seita Watanabe v Francisco Pini | 3-6,1-6 |
| ITF - Cancun M15 | 2022/08/10 19:30 | Seita Watanabe v Aditya Vishal Balsekar | 6-4,7-5 |
| ITF - Decatur M25 | 2022/08/03 13:55 | Patrick Maloney v Seita Watanabe | 6-3,7-5 |
| ITF - Cancun M15 | 2022/07/21 17:30 | Tomas Farjat v Seita Watanabe | 6-3,6-1 |