Stadium: Court 2 Round: 54 Ground: Clay
| ITF M15 Bratislava | 2021/03/08 12:00 | Piotr Grynkowski v Tomas Balazi | 6-0,6-1 |
| ITF M15 Bratislava | 2021/03/03 16:55 | Piotr Grynkowski v Daniel Siniakov | 3-6,6-3,1-6 |
| ITF M15 Bratislava | 2021/03/02 09:00 | Piotr Grynkowski v Voros, Mate | 6-2,6-3 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Piotr Grynkowski v Katuch, Jakub | 6-3,6-1 |
| ITF M15 Cairo | 2021/01/10 07:00 | Piotr Grynkowski v Francesco Passaro | 5-7,1-6 |
| ITF M15 Cairo | 2021/01/08 08:00 | Maxence Beauge v Piotr Grynkowski | 6-3,1-6,6-1 |
| ITF M15 Cairo | 2021/01/07 08:00 | Piotr Grynkowski v Lorenzo Bocchi | 1-6,6-4,6-3 |
| ITF M15 Cairo | 2021/01/06 08:00 | Alejo Lorenzo Lingua Lavallen v Piotr Grynkowski | 6-4,5-7,5-7 |
| ITF M15 Bratislava | 2021/03/08 09:00 | Peter Nad v Hubner, Edward | 4-6,7-6,9-11 |
| ITF M15 Bratislava | 2021/03/01 09:00 | Milos Karol v Hubner, Edward | 7-6,6-4 |
| ITF - M15 Antalya | 2021/01/29 06:30 | Hubner, Edward v Galoppini, Davide | 4-6,3-6 |
| ITF - M15 Antalya | 2021/01/28 08:00 | Hubner, Edward v Gusev, Daniil | 6-3,7-6 |
| ITF - M15 Antalya | 2021/01/18 09:00 | Hubner, Edward v Frunza, Nicolae | 0-6,2-6 |
| ITF - M15 Antalya | 2021/01/17 09:00 | Hubner, Edward v Emesz, Benedikt | 3-6,6-2,10-6 |
| ITF - M15 Héraklion | 2020/02/24 08:30 | Ioannis Xilas v Hubner, Edward | 6-0,6-4 |
| ITF - M15 Héraklion | 2020/02/17 08:30 | Gabriele Maria Noce v Hubner, Edward | 2-6,6-3,10-8 |