Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Wroclaw | 2021/06/28 11:00 | Lewie Lane v Szymon Kielan | 3-6,0-6 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Szymon Kielan v Stepan Pecak | 4-6,6-4,10-8 |
| ITF M25 Poznan | 2020/08/23 11:00 | Leyton Rivera v Szymon Kielan | 4-6,6-3,10-3 |
| Polish National Tour | 2020/08/20 07:00 | Filip Kolasinski v Szymon Kielan | 6-2,7-6 |
| Polish National Tour | 2020/07/24 07:00 | Szymon Kielan v Michal Mikula | 2-6,3-6 |
| ITF M25 Wroclaw | 2021/06/28 11:00 | Mateusz Terczynski v Lukas Palovic | 6-3,6-1 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Dominik Langmajer v Mateusz Terczynski | 1-6,3-6 |
| ITF M25 Poznan | 2020/08/23 11:00 | Nikolas Lahky v Mateusz Terczynski | 6-4,2-6,10-6 |
| Polish National Tour | 2020/07/16 13:05 | Mateusz Terczynski v Kamil Majchrzak | 1-6,1-6 |
| Polish National Tour | 2020/07/07 10:30 | Mateusz Terczynski v Maciej Rajski | 0-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/05 07:00 | Mateusz Terczynski v Michal Dembek | 0-6,1-6 |
| Marbello Cup Exhibition Series | 2020/06/04 10:35 | Mateusz Terczynski v Michal Dembek | 2-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/03 16:10 | Mateusz Terczynski v Filip Kolasinski | 2-6,6-7 |