| Challenger Braunschweig | 2025/07/06 11:00 | Robert Strombachs v Alex Molcan | 5-7,3-6 |
| Challenger Royan | 2025/06/17 11:20 | Arthur Gea v Robert Strombachs | 6-7,6-1,6-1 |
| Davis Cup | 2025/06/13 09:40 | Robert Strombachs v Ilya Snitari | 1-6,2-6 |
| Davis Cup | 2025/06/12 09:40 | Robert Strombachs v Alex De Gabriele | 6-0,2-6,6-4 |
| Davis Cup | 2025/06/11 09:30 | Robert Strombachs v Michael Avetisyan | 6-2,6-2 |
| Davis Cup | 2025/06/10 10:30 | Robert Strombachs v Petar Jovanovic | 6-3,3-6,5-7 |
| Challenger Chisinau | 2025/05/30 09:45 | Clement Chidekh v Robert Strombachs | 6-4,6-0 |
| Challenger Chisinau | 2025/05/29 10:10 | Evgeny Karlovskiy v Robert Strombachs | 3-6,2-6 |
| ITF M15 Luanda Qual | 2024/11/24 11:55 | Yash Yadav v Roberto Matundo | 6-1,7-6 |
| ITF M15 Luanda | 2024/11/17 16:05 | Rishabdev Raman v Roberto Matundo | 6-0,6-1 |