Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Ueberlingen | 2021/08/21 10:00 | Ergi Kirkin v Tim Handel | 4-6,7-6,7-6 |
| ITF M25 Ueberlingen | 2021/08/20 10:00 | Tim Handel v Liam Gavrielides | 6-2,6-1 |
| ITF M25 Ueberlingen | 2021/08/19 10:00 | Alexander Cozbinov v Tim Handel | 3-6,4-6 |
| ITF M25 Ueberlingen | 2021/08/17 12:55 | Tim Handel v Matthew Romios | 6-4,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/11 10:40 | Tim Handel v Arnaud Bovy | 7-5,3-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:35 | Christoph Negritu v Tim Handel | 4-6,6-2,6-10 |
| ITF M25 Frankfurt am Main | 2021/08/09 12:30 | Neo Niedner v Tim Handel | 2-6,2-6 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Tim Handel v Henri Squire | 6-3,3-6,6-7 |
| ITF M25 Marburg | 2021/07/08 10:35 | Louis Wessels v Alexander Donski | 6-4,6-7,6-4 |
| ITF M25 Marburg | 2021/07/06 16:40 | Alexander Donski v Jeremy Jahn | 6-2,6-2 |
| ITF M15 Monastir | 2021/06/23 08:30 | Alexander Donski v Omni Kumar | 1-6,3-6 |
| ITF M15 Monastir | 2021/06/17 11:40 | Alexander Donski v Luca Giacomini | 3-6,3-6 |
| ITF M15 Monastir | 2021/06/15 08:30 | Lucio Carnevalle v Alexander Donski | 2-6,3-6 |
| ITF M15 Heraklion | 2021/06/10 07:30 | Alexander Donski v Yuki Mochizuki | 3-6,4-6 |
| ITF M15 Heraklion | 2021/06/09 11:50 | Alexander Donski v Daniel Little | 1-6,6-3,6-1 |
| ITF M15 Heraklion | 2021/06/03 06:30 | Alexander Donski v Reese Stalder | 3-6,6-3,4-6 |