Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Bratislava | 2021/08/17 10:30 | David Pichler v Mariano Navone | 4-6,6-3,6-4 |
| ITF M25 Wetzlar | 2021/08/07 11:00 | David Pichler v Peter Heller | 3-6,7-5,3-6 |
| ITF M25 Wetzlar | 2021/08/06 10:55 | David Pichler v Henri Squire | 4-6,6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/05 10:40 | David Pichler v Daniel Cukierman | 6-2,6-4 |
| ITF M25 Wetzlar | 2021/08/04 14:30 | Julian Lenz v David Pichler | 1-6,5-7 |
| ITF M25 Kottingbrunn | 2021/07/22 09:40 | Lenny Hampel v David Pichler | 7-6,6-2 |
| ITF M25 Kottingbrunn | 2021/07/21 09:25 | Tadeas Paroulek v David Pichler | 6-4,2-6,4-6 |
| ITF M25 Velenje | 2021/07/07 09:05 | Patrik Rikl v David Pichler | 6-3,4-6,6-2 |
| ITF M15 Bratislava | 2021/08/17 14:05 | Boris Pokotilov v Andrew Paulson | 6-4,0-6,2-6 |
| Challenger Prague | 2021/08/08 09:40 | Andrew Paulson v Carlos Gomez-Herrera | 1-6,3-6 |
| Challenger Prostejov | 2021/06/14 14:20 | Andrew Paulson v Hugo Dellien | 1-6,3-6 |
| ITF M25 Most | 2021/05/27 07:55 | Gijs Brouwer v Andrew Paulson | 6-2,2-6,7-6 |
| ITF M25 Most | 2021/05/26 09:50 | Andrew Paulson v Christian Lindell | 6-2,6-3 |
| ITF M25 Jablonec Nad Nisou | 2021/05/21 09:00 | Andrew Paulson v Evan Furness | 0-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/20 07:55 | Andrew Paulson v Titouan Droguet | 6-4,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 08:00 | Jonas Forejtek v Andrew Paulson | 6-2,3-6,1-6 |