Stadium: CENTER COURT (7) Round: 26 Ground: Clay
| ITF M15 Ulcinj | 2021/09/06 13:00 | Daisuke Sumizawa v Procopio, Alessandro | 6-2,6-2 |
| ITF M15 Ulcinj | 2021/09/06 07:30 | Daisuke Sumizawa v Morris, Eric | 7-6,6-1 |
| ITF M15 Cairo | 2021/08/04 12:45 | Daisuke Sumizawa v Ignacio Monzon | 3-6,1-6 |
| ITF M15 Cairo | 2021/07/28 09:40 | Luca Tomasetto v Daisuke Sumizawa | 4-6,6-1,6-1 |
| ITF M15 Cairo | 2021/07/27 08:00 | Daisuke Sumizawa v de Maio, Mauro | 6-3,6-2 |
| ITF M15 Cairo | 2021/07/26 08:00 | Daisuke Sumizawa v Matteo De Vincentis | 6-7,6-4,10-3 |
| ITF M15 Cairo | 2021/07/25 07:00 | Daisuke Sumizawa v Sharma, Atharva | 6-1,6-1 |
| ITF M15 Cairo | 2021/07/22 08:00 | Daisuke Sumizawa v Lorenzo Bocchi | 0-6,2-6 |
| ITF M15 Ulcinj | 2021/09/08 11:55 | Florent Bax v Malla, Bastian | 1-6,0-6 |
| ITF M15 Zilina | 2021/09/05 07:55 | Malla, Bastian v Fabian Marozsan | 6-1,3-6,1-6 |
| ITF M15 Zilina | 2021/09/04 08:00 | Malla, Bastian v Adria Soriano Barrera | 6-2,6-1 |
| ITF M15 Zilina | 2021/09/03 09:25 | Goldsteiner, Peter v Malla, Bastian | 0-6,1-6 |
| ITF M15 Zilina | 2021/09/02 08:00 | Vilardo, Francesco v Malla, Bastian | 1-6,1-6 |
| ITF M15 Zilina | 2021/09/01 08:00 | Lukas Palovic v Malla, Bastian | 2-6,6-7 |
| ITF M15 Bratislava | 2021/08/19 10:55 | Malla, Bastian v Liska, Tomas | 4-6,6-4,2-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Malla, Bastian v Velcz, Zsombor | 6-2,6-2 |