| Challenger Seville | 2025/09/01 09:00 | Robert Strombachs v Sergi Perez Contri | 3-6,6-3,7-6 |
| Challenger Seville | 2025/08/31 10:30 | Robert Strombachs v Filip Pieczonka | 7-6,7-6 |
| Challenger Porto | 2025/08/25 14:00 | Nicolas Alvarez Varona v Robert Strombachs | 6-0,6-2 |
| Challenger Augsburg | 2025/08/19 13:10 | Robert Strombachs v Matyas Cerny | 6-3,6-7,5-7 |
| 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 |
| 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 |