Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Sharm El Sheikh | 2021/03/03 07:30 | Martins Podzus v Jumpei Yamasaki | 7-5,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/24 12:25 | Jumpei Yamasaki v Shintaro Imai | 6-7,6-7 |
| ITF M15 Sharm El Sheikh | 2021/02/17 12:45 | Lucas Catarina v Jumpei Yamasaki | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/08 09:30 | Jumpei Yamasaki v Chien Hsun Lo | 3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/07 13:00 | Jumpei Yamasaki v Rishi Reddy | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/01 12:30 | Jumpei Yamasaki v Daisuke Sumizawa | 6-4,1-6,8-10 |
| 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 Antalya | 2021/04/07 07:00 | Shintaro Mochizuki v Karl Friberg | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2021/03/10 09:45 | Karl Friberg v Oscar Jose Gutierrez | 5-7,6-2,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/09 07:30 | Karl Friberg v Alexandros Skorilas | 6-2,6-7,10-8 |
| ITF M15 Sharm El Sheikh | 2021/03/07 07:00 | Karl Friberg v Lorenzo Rottoli | 6-3,3-6,15-13 |
| ITF M15 Sharm El Sheikh | 2021/03/03 12:25 | Karl Friberg v Gabriele Bosio | 4-6,6-3,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/24 14:00 | Karl Friberg v Rio Noguchi | 3-6,1-6 |
| ITF M15 Antalya | 2021/01/31 10:00 | Timur Kiyamov v Karl Friberg | 4-6,6-4,10-4 |
| ITF M15 Antalya | 2021/01/28 07:00 | Ilya Snitari v Karl Friberg | 2-6,6-3,10-3 |