Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Oberhaching | 2023/02/17 11:00 | Daniel Masur v Robert Strombachs | 7-5,7-6 |
| ITF M15 Oberhaching | 2023/02/16 11:00 | Lukas Pokorny v Robert Strombachs | 6-7,6-7 |
| Davis Cup | 2023/02/05 08:00 | Robert Strombachs v Yshai Oliel | 1-6,4-6 |
| ITF M25 Sheffield | 2023/01/17 09:55 | Robert Strombachs v Charles Broom | 7-6,6-7,4-6 |
| ITF M25 Veigy-Foncenex | 2023/01/13 16:40 | Giles Hussey v Robert Strombachs | 7-6,7-5 |
| ITF M25 Veigy-Foncenex | 2023/01/12 18:30 | Maxime Mora v Robert Strombachs | 1-6,0-6 |
| ITF M25 Veigy-Foncenex | 2023/01/11 09:00 | Adrien Gobat v Robert Strombachs | 6-4,3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2022/12/04 08:00 | Robert Strombachs v Jakub Mensik | 4-6,0-6 |
| ITF M15 Sharm El Sheikh | 2023/02/20 11:30 | Sebastian Sorger v Luca Fantini | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2023/02/19 15:30 | Sebastian Sorger v Jan Kupcic | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2023/02/16 08:00 | Saba Purtseladze v Sebastian Sorger | 6-7,6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2023/02/15 08:00 | Christian Teszari v Sebastian Sorger | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/02/14 08:00 | Sebastian Sorger v Ioannis Kountourakis | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2023/02/13 08:00 | Sebastian Sorger v Aljaz Jeran | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2023/02/12 08:00 | Sebastian Sorger v Saveliy Ivanov | 6-2,6-4 |
| ITF M15 Monastir | 2023/02/02 10:50 | Tao Mu v Sebastian Sorger | 7-6,6-2 |