Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Most | 2021/05/24 08:00 | Piotr Matuszewski v Theo Arribage | 7-5,7-5 |
| ITF M25 Most | 2021/05/23 08:00 | Piotr Matuszewski v Michal Novansky | 6-4,1-6,12-10 |
| ITF M25 Praha | 2021/05/09 07:30 | Pavel Nejedly v Piotr Matuszewski | 7-5,6-4 |
| ITF M15 Monastir | 2021/04/12 12:30 | Piotr Matuszewski v Sean Hodkin | 1-6,0-6 |
| ITF M15 Monastir | 2021/04/12 08:00 | Simon Yitbarek v Piotr Matuszewski | 1-6,2-6 |
| ITF M15 Monastir | 2021/04/11 10:00 | Jip Van Assendelft v Piotr Matuszewski | 5-7,4-6 |
| ITF M15 Monastir | 2021/04/05 09:00 | Igor Marcondes v Piotr Matuszewski | 7-6,6-3 |
| ITF M15 Monastir | 2021/04/04 10:30 | Miguel Fernando Pereira v Piotr Matuszewski | 3-6,3-6 |
| ITF M25 Most | 2021/05/24 09:00 | Dean Thurner v Hasan Ibrahim | 0-6,1-6 |
| ITF M25 Most | 2021/05/23 14:00 | Jakub Katuch v Hasan Ibrahim | 1-6,4-6 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Dominik Boehler v Hasan Ibrahim | 6-3,6-3 |
| ITF M25 Poznan | 2020/08/24 12:30 | Hasan Ibrahim v Mikolaj Lorens | 5-7,2-6 |
| Davis Cup | 2020/03/07 08:30 | Hasan Ibrahim v Wishaya Trongcharoenchaikul | 6-7,6-3,6-7 |
| ITF M15 Manacor | 2020/01/05 09:00 | Rafael Giotis v Hasan Ibrahim | 6-0,6-3 |
| ITF M15 Heraklion | 2019/12/08 10:00 | Adam Jones v Hasan Ibrahim | 7-6,6-3 |
| ITF M15 Heraklion | 2019/11/10 10:30 | Glenn Smits v Hasan Ibrahim | 6-3,6-2 |