stadio: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/01/31 17:30 | Jumpei Yamasaki v Federico Bertuccioli | 6-3,6-2 |
| ITF M15 Cairo | 2021/01/28 10:00 | Rimpei Kawakami v Jumpei Yamasaki | 4-6,7-6,7-5 |
| ITF M15 Cairo | 2021/01/27 11:55 | Sherif Makhlouf v Jumpei Yamasaki | 1-6,2-6 |
| ITF M15 Cairo | 2021/01/20 11:15 | Jumpei Yamasaki v Yurii Dzhavakian | 4-6,1-6 |
| Challenger Calgary | 2020/02/25 01:30 | Filip Peliwo v Jumpei Yamasaki | 6-1,7-5 |
| ITF M25 Nonthaburi | 2020/02/05 02:25 | Chien Hsun Lo v Jumpei Yamasaki | 7-6,7-5 |
| ITF M25 Nonthaburi | 2020/01/29 09:00 | Adam Pavlasek v Jumpei Yamasaki | 6-3,6-3 |
| ITF M15 Hong Kong | 2020/01/09 03:25 | Jumpei Yamasaki v Kasidit Samrej | 3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/01/31 09:00 | Daisuke Sumizawa v Piotr Matuszewski | 4-6,6-1,10-8 |
| ITF M15 Cairo | 2021/01/26 09:30 | Gonzalo Lama v Daisuke Sumizawa | 6-3,6-1 |
| ITF M15 Cairo | 2021/01/25 08:00 | Mikel Aranzabal v Daisuke Sumizawa | 3-6,4-6 |
| ITF M15 Cairo | 2021/01/24 07:30 | Omar Magdy Ezzeldin v Daisuke Sumizawa | 0-6,0-6 |
| ITF M15 Cairo | 2021/01/17 07:00 | Alec Beckley v Daisuke Sumizawa | 6-2,7-5 |
| ITF M15 Sharm El Sheikh | 2020/11/08 12:30 | Ivan Sergeyev v Daisuke Sumizawa | 7-6,1-6,11-9 |
| ITF M15 Sharm El Sheikh | 2020/11/02 08:00 | Daisuke Sumizawa v Max Houkes | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2020/11/01 09:30 | Amr Asrawy v Daisuke Sumizawa | 6-1,1-6,6-10 |