| ITF M25 Uberlingen | 2025/08/19 18:00 | Max Houkes v Sydney Zick | 6-2,7-5 |
| ITF M25 Wetzlar | 2025/07/29 08:48 | Sydney Zick v Yannic Nittmann | 4-6,3-6 |
| ITF M25 Metzingen | 2025/07/22 11:18 | Sydney Zick v Yannik Kelm | 4-6,6-2,0-1 |
| ITF M15 Uslar | 2025/07/16 16:32 | Benjamin Hannestad v Sydney Zick | 4-6,6-1,6-3 |
| ITF M25 Kassel | 2025/07/10 16:27 | Nick Hardt v Sydney Zick | 4-6,6-4,6-1 |
| ITF M25 Kassel | 2025/07/09 14:30 | Sydney Zick v Daniel Dutra Da Silva | 3-6,6-2,6-4 |
| ITF M25 Kassel | 2025/07/08 10:00 | Wilson Leite v Sydney Zick | 3-6,3-6 |
| ITF M25 Brussels | 2025/06/23 08:00 | Sydney Zick v Lenn Luemkemann | 3-6,4-6 |
| ITF M25 Uberlingen | 2025/08/20 16:30 | Christopher Papa v Christian Djonov | 2-6,2-6 |
| ITF M15 Trier | 2025/08/13 12:00 | Christian Djonov v Arthur Nagel | 0-6,1-6 |
| ITF M25 Metzingen | 2025/07/22 09:00 | Daniel Siniakov v Christian Djonov | 6-3,6-0 |
| ITF M25 Marburg | 2025/07/01 08:30 | Imanol L Morillo v Christian Djonov | 6-2,6-0 |
| ITF M25 Brussels | 2025/06/25 08:00 | Christian Djonov v Gerard Campana Lee | 3-6,2-6 |
| ITF M25 Brussels | 2025/06/24 10:14 | Christian Djonov v Johann Lars | 6-0,6-3 |
| ITF M25 Brussels | 2025/06/23 13:48 | Christian Djonov v Felix Romeo | 6-2,6-2 |
| ITF M25 Ceska Lipa | 2025/06/13 08:00 | Louis Wessels v Christian Djonov | 6-7,7-6,6-2 |