Stadium: CENTER COURT (7) Round: 26 Ground: Clay
| 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 Mauro De Maio | 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 Atharva Sharma | 6-1,6-1 |
| ITF M15 Cairo | 2021/07/22 08:00 | Daisuke Sumizawa v Lorenzo Bocchi | 0-6,2-6 |
| ITF M15 Cairo | 2021/07/21 08:00 | Sergei Pogosian v Daisuke Sumizawa | 2-6,4-6 |
| ITF M15 Antalya | 2021/06/03 07:30 | Pietro Rondoni v Daisuke Sumizawa | 6-3,6-2 |
| ITF M15 Zilina | 2021/09/03 09:25 | Peter Goldsteiner v Bastian Malla | 0-6,1-6 |
| ITF M15 Zilina | 2021/09/02 08:00 | Francesco Vilardo v Bastian Malla | 1-6,1-6 |
| ITF M15 Zilina | 2021/09/01 08:00 | Lukas Palovic v Bastian Malla | 2-6,6-7 |
| ITF M15 Bratislava | 2021/08/19 10:55 | Bastian Malla v Tomas Liska | 4-6,6-4,2-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Bastian Malla v Zsombor Velcz | 6-2,6-2 |
| ITF M15 Curtea de Arges | 2021/08/11 10:55 | Bastian Malla v Francisco Comesana | 6-7,1-6 |
| ITF M15 Novi Sad | 2021/08/05 12:00 | Pedro Boscardin Dias v Bastian Malla | 2-6,6-3,6-3 |
| ITF M15 Novi Sad | 2021/08/04 12:05 | Aziz Kijametovic v Bastian Malla | 6-7,4-6 |