Stadium: Court 3 Round: 54 Ground: Clay
| ITF - M25 Pardubice | 2021/09/19 09:00 | Samuel Paulovcak v Oscar Galimardanov | 1-6,3-6 |
| ITF - M15 Žilina | 2021/08/31 09:30 | Samuel Puskar v Samuel Paulovcak | 6-4,6-4 |
| ITF - M15 Žilina | 2021/08/30 11:30 | Samuel Paulovcak v Samo Polakovic | 6-3,3-6,10-7 |
| ITF - M15 Bratislava | 2021/08/24 08:00 | Jakub Novak v Samuel Paulovcak | 6-4,6-4 |
| ITF - M15 Bratislava | 2021/08/23 09:00 | Samuel Paulovcak v Isa Mammetgulyyev | 6-4,6-7,10-1 |
| ITF - M25 Prostějov | 2021/08/16 09:35 | Daniel Paty v Samuel Paulovcak | 6-1,4-6,10-5 |
| ITF - M25 Prostějov | 2021/08/15 08:00 | Samuel Paulovcak v Fred Olivier Schommer | 6-0,6-2 |
| ITF - M25 Kottingbrunn | 2021/07/19 10:10 | Toby Martin v Samuel Paulovcak | 6-3,6-7,10-8 |
| Polish National Tour | 2021/07/13 11:50 | Mateusz Terczynski v Daniel Michalski | 2-6,1-6 |
| ITF - M15 Poprad | 2021/07/05 08:00 | Illya Beloborodko v Mateusz Terczynski | 6-4,6-2 |
| ITF - M15 Poprad | 2021/07/04 11:00 | Jakub Kroslak v Mateusz Terczynski | 6-2,6-7,9-11 |
| ITF - M25 Wroclaw | 2021/06/29 08:00 | Szymon Kielan v Mateusz Terczynski | 6-3,6-2 |
| 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 |