Stadium: Brenda Meyers Court Round: 19 Ground: Hardcourt indoor
| ITF M15 Frankfurt Am Main | 2023/08/08 13:00 | Rostislav Galfinger v Sebastian Fanselow | 1-6,7-6,2-6 |
| ITF M25 Wetzlar | 2023/08/06 10:00 | Sebastian Fanselow v Tristan Lamasine | 3-6,1-6 |
| 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 |
| Challenger Winnipeg | 2023/08/17 18:45 | Darian King v Ryan Peniston | 0-6,1-6 |
| Challenger Winnipeg | 2023/08/16 17:00 | Benjamin Bonzi v Darian King | 3-6,1-6 |
| Challenger Winnipeg | 2023/08/15 16:00 | Darian King v Brayden Schnur | 6-2,6-1 |
| Challenger Winnipeg | 2023/08/14 18:50 | Matija Pecotic v Darian King | 3-6,4-6 |
| Challenger Winnipeg | 2023/08/13 22:05 | Joshua Sheehy v Darian King | 6-3,1-6,3-6 |
| ITF M15 Pittsburgh | 2023/07/30 18:45 | Darian King v Juan Carlos Aguilar | 4-6,6-3,6-3 |
| ITF M15 Pittsburgh | 2023/07/29 16:30 | Darian King v Samir Banerjee | 6-4,7-6 |
| ITF M15 Pittsburgh | 2023/07/28 16:50 | Kyle Seelig v Darian King | 3-6,0-6 |