Estádio: Court 10 Round: 26 Ground: Clay
| Polónia - Tour Nacional | 2020/07/26 07:00 | Michal Dembek v Maciej Rajski | 2-6,6-3,6-4 |
| Polónia - Tour Nacional | 2020/07/08 11:00 | Michal Dembek v Maciej Rajski | 2-6,2-6 |
| Marbello Cup - Exhibition Series | 2020/06/02 11:15 | Maciej Rajski v Michal Dembek | 6-3,3-6,17-15 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/05 14:40 | Facundo Diaz Acosta v Maciej Rajski | 6-4,1-6,4-6 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/04 16:45 | Vojtech Vlkovsky v Maciej Rajski | 0-6,3-6 |
| Polónia - Tour Nacional | 2021/07/14 11:50 | Maciej Rajski v Daniel Michalski | 0-6,5-7 |
| Polónia - Tour Nacional | 2021/07/12 11:30 | Maciej Rajski v Piotr Galus | 6-1,6-2 |
| Polónia - Tour Nacional | 2021/07/10 09:30 | Maciej Rajski v Yann Wojcik | 6-3,6-3 |
| ITF - M25 Wrocław | 2021/06/30 09:30 | Maciej Rajski v Oscar Jose Gutierrez | 3-6,4-6 |
| ITF - M25 Wrocław | 2021/06/29 07:55 | Maciej Rajski v Milos Karol | 6-4,6-4 |
| ITF - M25 Wrocław | 2021/06/28 11:00 | Piotr Grynkowski v Maciej Rajski | 6-7,4-6 |
| ITF - M15 Łódź | 2021/08/17 08:00 | Jasza Szajrych v Michal Dembek | 0-6,6-7 |
| ITF - M15 Gdynia | 2021/08/12 10:30 | Daniel Michalski v Michal Dembek | 7-6,4-6,6-3 |
| ITF - M15 Gdynia | 2021/08/11 10:25 | Michal Dembek v Pawel Safuryn | 6-0,6-1 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/07 07:25 | David Poljak v Michal Dembek | 6-3,3-6,6-3 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/03 08:55 | Alan Bojarski v Michal Dembek | 3-6,6-4,2-6 |
| ITF - M25 Telavi | 2021/07/31 08:40 | Michal Dembek v Alessandro Ingarao | 2-6,1-6 |
| ITF - M25 Telavi | 2021/07/30 05:55 | Michal Dembek v Alexander Boborykin | 7-5,6-2 |
| Polónia - Tour Nacional | 2021/07/11 16:00 | Michal Dembek v Aleksander Orlikowski | 2-6,6-7 |