Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Tay Ninh | 2022/06/02 02:00 | Seita Watanabe v Thomas Fancutt | 0-6,5-7 |
| ITF M15 Tay Ninh | 2022/05/31 02:00 | Seita Watanabe v Ha Minh Duc Vu | 6-1,6-2 |
| ITF M25 Netanya | 2022/05/26 09:10 | Seita Watanabe v Calum Puttergill | 3-6,6-3,4-6 |
| ITF M25 Netanya | 2022/05/25 06:30 | Itamar Tapiro v Seita Watanabe | 3-6,1-6 |
| 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 Tay Ninh | 2022/06/01 03:40 | Shohei Chikami v Masamichi Imamura | 3-6,7-5,6-2 |
| ITF M15 Antalya | 2022/05/10 07:00 | Masamichi Imamura v Gabriele Pennaforti | 3-6,3-6 |
| ITF M15 Antalya | 2022/05/09 08:30 | Masamichi Imamura v Ivan Zaytsev | 6-1,6-4 |
| ITF M15 Antalya | 2022/05/04 07:00 | Alejandro Manzanera Pertusa v Masamichi Imamura | 6-2,7-6 |
| ITF M15 Antalya | 2022/05/03 07:00 | Masamichi Imamura v Andres Gabriel Ciurletti | 5-7,4-6 |
| ITF M15 Antalya | 2022/05/02 07:00 | Masamichi Imamura v Pavlo Rezoglazov | 6-0,6-1 |
| ITF M15 Chiang Rai | 2022/04/28 03:15 | Masamichi Imamura v Yuta Shimizu | 2-6,2-6 |
| ITF M15 Chiang Rai | 2022/04/27 02:00 | Suphawat Saeoui v Masamichi Imamura | 1-6,1-6 |