Estádio: Center (court 4) Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Akko | 2022/05/20 08:00 | Ben Patael v Seita Watanabe | 7-6,7-5 |
| ITF - M15 Akko | 2022/05/19 07:00 | Preston Brown v Seita Watanabe | 4-6,6-2,6-7 |
| ITF - M15 Akko | 2022/05/18 12:40 | Alec Beckley v Seita Watanabe | 2-6,5-7 |
| ITF - M15 Cairo | 2022/05/11 10:10 | Seita Watanabe v Jan Kobierski | 6-3,6-7,4-6 |
| ITF - M15 Cairo | 2022/05/04 08:00 | Denis Klok v Seita Watanabe | 6-2,6-3 |
| ITF - M15 Cairo | 2022/05/03 08:00 | Seita Watanabe v Ammar Alhaqbani | 6-2,6-4 |
| ITF - M15 Cairo | 2022/05/02 09:00 | Seita Watanabe v Ilya Rudiukov | 7-5,7-6 |
| ITF - M15 Monastir | 2022/04/05 08:30 | Seita Watanabe v Joris De Loore | 0-6,7-6,3-6 |