Stadium: Court 1 Round: 27 Ground: Clay
| ITF M25 Kassel | 2022/07/13 13:05 | Milan Welte v Sebastian Fanselow | 3-6,6-4,2-6 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Sebastian Fanselow v Niklas Schell | 6-4,6-3 |
| ITF M25 Wetzlar | 2023/08/03 09:35 | Sebastian Fanselow v Sabanin, Yan | 6-3,6-4 |
| Challenger Karlsruhe | 2023/07/03 10:35 | Denis Yevseyev v Sebastian Fanselow | 7-5,7-6 |
| Challenger Karlsruhe | 2023/07/02 14:15 | Paulson, Andrew v Sebastian Fanselow | 2-6,5-7 |
| ITF M25 Arlon | 2023/06/29 12:00 | Sandro Kopp v Sebastian Fanselow | 6-4,4-6,7-6 |
| ITF M25 Arlon | 2023/06/28 07:50 | Boris Fassbender v Sebastian Fanselow | 2-6,3-6 |
| Parma II, Italy | 2023/06/18 12:00 | Arnaboldi, Andrea v Sebastian Fanselow | 6-2,6-4 |
| Challenger Heilbronn | 2023/06/06 12:10 | Sebastian Fanselow v Rudolf Molleker | 4-6,7-6,1-6 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Milan Welte v Nicolas Zanellato | 6-3,7-5 |
| ITF M25 Wetzlar | 2023/08/03 07:55 | Milan Welte v Yunis, Facundo | 7-5,6-3 |
| ITF M25 Kassel | 2023/07/13 16:30 | Aldin Setkic v Milan Welte | 6-4,7-5 |
| ITF M25 Kassel | 2023/07/12 09:55 | Milan Welte v Robert Strombachs | 6-3,6-2 |
| ITF M25 Kassel | 2023/07/11 11:10 | Milan Welte v Stepan Mruzek | 6-2,6-1 |
| ITF M25 Kassel | 2023/07/10 13:05 | Milan Welte v Bengt Johan Reinhard | 6-0,6-0 |
| ITF M25 Marburg | 2023/07/05 09:00 | Milan Welte v Recek, Dominik | 1-6,1-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/20 16:00 | Joao Fonseca v Milan Welte | 7-5,7-5 |