Stadium: Court 8 Round: 26 Ground: Clay
| ITF M25 Tay Ninh | 2019/10/02 03:30 | Kawakami, Rimpei v Jumpei Yamasaki | 6-1,6-3 |
| ITF M15 Cairo | 2021/01/27 14:25 | Tushar Madan v Kawakami, Rimpei | 0-6,2-6 |
| ITF M15 Cairo | 2021/01/26 08:00 | Seita Watanabe v Kawakami, Rimpei | 3-6,2-6 |
| ITF M15 Cairo | 2021/01/25 08:00 | Alexandros Skorilas v Kawakami, Rimpei | 7-6,5-7,9-11 |
| ITF M15 Cairo | 2021/01/24 07:30 | Mounir, Ahmed v Kawakami, Rimpei | 4-6,3-6 |
| ITF M15 Cairo | 2021/01/18 08:00 | Matuszewski, Piotr v Kawakami, Rimpei | 7-6,6-3 |
| ITF M15 Cairo | 2021/01/17 08:00 | Kawakami, Rimpei v Taisei Ichikawa | 2-6,6-2,10-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/27 02:30 | Sidharth Rawat v Kawakami, Rimpei | 4-6,6-4,10-8 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/26 02:30 | Kazuki Nishiwaki v Kawakami, Rimpei | 6-7,2-6 |
| ITF M15 Cairo | 2021/01/27 11:55 | Makhlouf, Sherif v Jumpei Yamasaki | 1-6,2-6 |
| ITF M15 Cairo | 2021/01/20 11:15 | Jumpei Yamasaki v Dzhavakian, Yurii | 4-6,1-6 |
| Challenger Calgary | 2020/02/25 01:30 | Filip Peliwo v Jumpei Yamasaki | 6-1,7-5 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/05 02:25 | Lo, Chien Hsun v Jumpei Yamasaki | 7-6,7-5 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/29 09:00 | Pavlasek, Adam v Jumpei Yamasaki | 6-3,6-3 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/09 03:25 | Jumpei Yamasaki v Kasidit Samrej | 3-6,4-6 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/08 08:00 | Jumpei Yamasaki v Kai, Wai Yu | 6-2,6-1 |
| Open d'Australie Playoff Wilcard Australienne | 2019/12/04 03:35 | Jumpei Yamasaki v Tatsuma Ito | 2-6,2-6 |