Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sibenik | 2021/05/16 10:00 | Andre Biro v Bjorn Nareyka | 4-6,1-6 |
| ITF M15 Opatija | 2021/03/21 11:00 | Andre Biro v Benedikt Emesz | 2-6,4-6 |
| ITF Hungary F5 Qual | 2018/06/17 10:30 | Tadeas Paroulek v Andre Biro | 6-3,6-3 |
| ITF Hungary F5 Qual | 2018/06/16 10:30 | Andre Biro v Peter Balla | 6-2,6-1 |
| ITF Hungary F3 | 2018/05/22 09:40 | Denis Klok v Andre Biro | 6-3,6-4 |
| ITF Hungary F2 | 2018/05/14 11:00 | Andre Biro v Gabor Borsos | 4-6,1-6 |
| ITF Hungary F1 | 2018/05/08 11:35 | Andre Biro v Marc Sieber | 3-6,0-6 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Andre Biro v Martin Zeljenka | 6-4,7-6 |
| Challenger Tulln | 2021/09/05 09:00 | Matteo Martineau v Lenny Hampel | 6-3,6-2 |
| ITF M15 Bad Waltersdorf | 2021/09/02 09:45 | Lenny Hampel v Timo Stodder | 6-4,4-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/09/01 12:10 | Lenny Hampel v Matic Dimic | 6-3,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:25 | Lenny Hampel v Adrian Oetzbach | 2-6,6-0,2-10 |
| ITF M25 Frankfurt am Main | 2021/08/09 09:00 | Lenny Hampel v Neil Oberleitner | 6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Lenny Hampel v Alexey Vatutin | 2-6,2-6 |
| ITF M25 Wetzlar | 2021/08/04 13:10 | Lenny Hampel v Osman Torski | 6-4,7-5 |
| ITF M25 Kottingbrunn | 2021/07/24 10:00 | Francisco Comesana v Lenny Hampel | 6-3,7-5 |