Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Velenje | 2021/07/06 08:00 | Constantin Bittoun Kouzmine v Lukas Palovic | 6-2,2-6,10-8 |
| ITF M25 Velenje | 2021/07/05 12:15 | Cizelj-Zivkovic, Stefan v Lukas Palovic | 3-6,1-6 |
| ITF M25 Velenje | 2021/07/04 07:30 | Elijah Poritzky v Lukas Palovic | 3-6,2-6 |
| ITF M25 Wroclaw | 2021/06/28 11:00 | Terczynski, Mateusz v Lukas Palovic | 6-3,6-1 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Lukas Palovic v Matias Soto | 7-5,7-6 |
| ITF M25 Klosters | 2021/06/21 07:00 | von Der Schulenburg, Henry v Lukas Palovic | 6-1,6-3 |
| ITF M25 Klosters | 2021/06/20 07:00 | Jan Sebesta v Lukas Palovic | 2-6,1-6 |
| Challenger Bratislava | 2021/06/06 08:00 | Vit Kopriva v Lukas Palovic | 3-6,6-4,6-1 |
| ITF M25 Telfs | 2021/07/11 09:00 | Christian Fellin v Rohrer, Niklas | 2-6,3-6 |
| ITF M25 Most | 2021/05/24 08:00 | Kai Lemstra v Rohrer, Niklas | 6-3,6-2 |
| ITF M25 Most | 2021/05/23 08:00 | Rohrer, Niklas v Lukas Pokorny | 7-6,6-3 |
| ITF M25 Prague | 2021/05/09 13:30 | Lucas Bouquet v Rohrer, Niklas | 6-1,6-3 |
| ITF - M15 Antalya | 2021/04/11 07:00 | de Rossi, Marco v Rohrer, Niklas | 6-3,6-2 |
| ITF - M15 Antalya | 2021/04/04 10:00 | Matteo Gigante v Rohrer, Niklas | 6-2,6-0 |
| ITF - M15 Antalya | 2021/03/28 06:30 | Borroni, Andrea v Rohrer, Niklas | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Rohrer, Niklas v Stepan Pecak | 6-7,6-4,10-12 |