Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Prague | 2021/05/09 13:30 | Lucas Bouquet v Niklas Rohrer | 6-1,6-3 |
| ITF M15 Antalya | 2021/04/11 07:00 | Marco De Rossi v Niklas Rohrer | 6-3,6-2 |
| ITF M15 Antalya | 2021/04/04 10:00 | Matteo Gigante v Niklas Rohrer | 6-2,6-0 |
| ITF M15 Antalya | 2021/03/28 06:30 | Andrea Borroni v Niklas Rohrer | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Niklas Rohrer v Stepan Pecak | 6-7,6-4,10-12 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Jurgen Briand v Niklas Rohrer | 6-0,6-2 |
| ITF M15 Anif | 2020/08/23 07:00 | Kristof Minarik v Niklas Rohrer | 6-2,6-2 |
| ITF M15 Heraklion | 2019/11/11 08:00 | Billy Harris v Niklas Rohrer | 6-3,6-1 |
| ITF M15 Antalya | 2021/05/09 07:00 | Gabriele Piraino v Lukas Pokorny | 4-6,6-2,10-7 |
| ITF M15 Sharm El Sheikh | 2021/04/07 08:30 | David Poljak v Lukas Pokorny | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/04/06 07:30 | Karlo Cubelic v Lukas Pokorny | 6-7,1-6 |
| ITF M15 Sharm El Sheikh | 2021/04/05 07:30 | Lukas Pokorny v Shohei Chikami | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2021/04/04 07:30 | Lukas Pokorny v Vasilios Caripi | 6-1,6-2 |
| ITF M15 Bratislava | 2021/03/09 13:00 | Jurgen Briand v Lukas Pokorny | 7-5,6-2 |
| ITF M15 Bratislava | 2021/03/03 12:55 | Lukas Pokorny v Lukas Palovic | 6-7,5-7 |
| ITF M15 Bratislava | 2020/11/25 13:30 | Otto Virtanen v Lukas Pokorny | 7-5,6-4 |