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 |
| 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 |
| ITF M25 Kottingbrunn | 2021/07/23 08:30 | Bogdan Ionut Apostol v Lenny Hampel | 1-6,6-4,5-7 |
| ITF M25 Kottingbrunn | 2021/07/22 09:40 | Lenny Hampel v David Pichler | 7-6,6-2 |
| ITF M25 Kottingbrunn | 2021/07/21 08:00 | Calin Manda v Lenny Hampel | 4-6,5-7 |