Stadium: Court 1 Round: 29 Ground: Clay
| Challenger Forli - kval | 2022/01/16 10:50 | Sebastian Fanselow v Tristan Lamasine | 4-6,6-3,3-6 |
| ITF M25 Wetzlar | 2023/08/05 12:30 | Orlando Luz v Sebastian Fanselow | 6-7,2-6 |
| ITF M25 Wetzlar | 2023/08/04 11:10 | Sebastian Fanselow v Milan Welte | 7-5,4-6,6-3 |
| 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 Yan Sabanin | 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 | Andrew Paulson 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 |
| ITF M25 Wetzlar | 2023/08/05 14:45 | Buvaysar Gadamauri v Tristan Lamasine | 6-7,2-6 |
| ITF M25 Wetzlar | 2023/08/04 12:30 | Nicola Kuhn v Tristan Lamasine | 6-7,4-6 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Diego Dedura-Palomero v Tristan Lamasine | 4-6,2-6 |
| ITF M25 Wetzlar | 2023/08/03 11:25 | Florian Broska v Tristan Lamasine | 5-7,1-6 |
| ITF M25 Uriage | 2023/07/15 08:00 | Tristan Lamasine v Ugo Blanchet | 6-3,6-7,4-6 |
| ITF M25 Uriage | 2023/07/14 08:00 | Tristan Lamasine v Mathys Erhard | 6-1,6-1 |
| ITF M25 Uriage | 2023/07/13 11:25 | Tristan Lamasine v Alexander Zgirovsky | 6-1,7-5 |
| ITF M25 Uriage | 2023/07/12 08:50 | Tristan Lamasine v Mehdi Sadaoui | 6-2,6-3 |