Estádio: Court 6 Round: 62 Ground: Clay
| ITF - M15 Cairo | 2021/01/24 07:30 | Seita Watanabe v Dennis Dragomirov | 6-0,6-1 |
| ITF - M15 Cairo | 2021/01/18 08:00 | Jose Fco. Vidal Azorin v Seita Watanabe | 6-1,6-1 |
| ITF - M15 Cairo | 2021/01/17 07:00 | Pavlos Parson v Seita Watanabe | 3-6,5-7 |
| ITF - M15 Cairo | 2021/01/10 10:30 | Seita Watanabe v Marco Brugnerotto | 3-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2020/03/04 08:00 | Seita Watanabe v Jaroslav Pospisil | 3-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2020/03/03 08:00 | Seita Watanabe v Iancu-Iustinian Ghinda | 6-0,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/03/02 08:00 | Seita Watanabe v Svyatoslav Ilnytskyy | 6-1,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/25 08:00 | Seita Watanabe v Volodymyr Uzhylovskyi | 5-7,3-6 |
| ITF - M15 Cairo | 2021/01/25 08:00 | Alexandros Skorilas v Rimpei Kawakami | 7-6,5-7,9-11 |
| ITF - M15 Cairo | 2021/01/24 07:30 | Ahmed Mounir v Rimpei Kawakami | 4-6,3-6 |
| ITF - M15 Cairo | 2021/01/18 08:00 | Piotr Matuszewski v Rimpei Kawakami | 7-6,6-3 |
| ITF - M15 Cairo | 2021/01/17 08:00 | Rimpei Kawakami v Taisei Ichikawa | 2-6,6-2,10-6 |
| ITF - M25 Nonthaburi | 2020/01/27 02:30 | Sidharth Rawat v Rimpei Kawakami | 4-6,6-4,10-8 |
| ITF - M25 Nonthaburi | 2020/01/26 02:30 | Kazuki Nishiwaki v Rimpei Kawakami | 6-7,2-6 |
| ITF - M15 Monastir | 2019/11/22 10:40 | Clement Geens v Rimpei Kawakami | 6-2,6-3 |
| ITF - M15 Monastir | 2019/11/21 12:10 | Diego F Flores v Rimpei Kawakami | 4-6,1-6 |