Stadium: Centre Court Round: 19 Ground: Clay
| Challenger Luedenscheid | 2023/07/30 09:00 | Sandro Kopp v Benjamin Winter Lopez | 6-3,6-4 |
| ITF M25 Kramsach | 2023/07/28 09:00 | Sandro Kopp v Kalin Ivanovski | 6-7,4-6 |
| ITF M25 Kramsach | 2023/07/27 13:45 | Sandro Kopp v Buvaysar Gadamauri | 7-6,6-2 |
| ITF M25 Kramsach | 2023/07/27 08:00 | Sandro Kopp v Martin Benes | 6-3,7-5 |
| ITF M25 Telfs | 2023/07/23 10:00 | Sandro Kopp v Buvaysar Gadamauri | 6-2,6-1 |
| ITF M25 Telfs | 2023/07/22 08:00 | Sandro Kopp v Gerard Campana Lee | 7-6,6-7,6-4 |
| ITF M25 Telfs | 2023/07/21 12:00 | Lukas Rosol v Sandro Kopp | 4-6,2-6 |
| ITF M25 Telfs | 2023/07/20 10:35 | Milos Karol v Sandro Kopp | 3-6,3-6 |
| Challenger Luedenscheid | 2023/07/30 10:35 | Karlo Cubelic v Marvin Moeller | 3-6,6-3,2-6 |
| ATP Hamburg | 2023/07/22 13:20 | Marvin Moeller v Jan Choinski | 3-6,4-6 |
| ITF M25 Uriage | 2023/07/16 08:30 | Marvin Moeller v Ugo Blanchet | 3-6,4-6 |
| ITF M25 Uriage | 2023/07/14 09:20 | Marvin Moeller v Luca Wiedenmann | 7-6,7-6 |
| ITF M25 Uriage | 2023/07/13 15:00 | Valentin Royer v Marvin Moeller | 4-6,7-6,3-6 |
| ITF M25 Uriage | 2023/07/12 09:20 | Edouard Villoslada v Marvin Moeller | 2-6,1-6 |
| ITF M15 Sofia | 2023/07/09 06:50 | Goncalo Oliveira v Marvin Moeller | 6-3,6-1 |
| ITF M15 Sofia | 2023/07/08 07:30 | Marvin Moeller v Matej Dodig | 6-4,6-2 |