Stadium: Centre Court Round: 28 Ground: Clay
| ITF M15 Marburg | 2019/07/12 09:40 | Louis Wessels v Kai Wehnelt | 6-2,7-6 |
| ITF Germany F13 | 2018/08/23 08:00 | Kai Wehnelt v Louis Wessels | 4-6,3-6 |
| ITF M15 Ueberlingen | 2019/08/23 14:35 | Jonas Trinker v Kai Wehnelt | 1-6,4-6 |
| ITF M15 Ueberlingen | 2019/08/22 08:00 | Lynn Max Kempen v Kai Wehnelt | 0-6,0-6 |
| ITF M15 Ueberlingen | 2019/08/21 08:00 | Benedict Kurz v Kai Wehnelt | 2-6,3-6 |
| ITF M15 Trier | 2019/08/14 10:00 | Niklas Schell v Kai Wehnelt | 7-6,3-6,7-6 |
| ITF M15 Trier | 2019/08/13 09:30 | Nathan Seateun v Kai Wehnelt | 3-6,1-6 |
| ITF M15 Wetzlar | 2019/08/08 10:30 | Kai Wehnelt v Mats Rosenkranz | 6-3,4-6,6-7 |
| ITF M15 Wetzlar | 2019/08/07 11:00 | Kai Wehnelt v Adil Kalyanpur | 6-3,6-1 |
| ITF M15 Wetzlar | 2019/08/06 08:00 | Kai Wehnelt v Alejo Vilaro | 2-6,6-0,6-4 |
| ITF M15 Ueberlingen | 2019/08/23 11:55 | Juan Ignacio Galarza v Louis Wessels | 6-2,2-6,5-7 |
| ITF M15 Ueberlingen | 2019/08/22 10:45 | Maik Steiner v Louis Wessels | 4-6,2-6 |
| ITF M15 Ueberlingen | 2019/08/21 13:30 | Patrick Zahraj v Louis Wessels | 3-6,1-6 |
| Challenger Meerbusch | 2019/08/16 13:45 | Jan Choinski v Louis Wessels | 6-3,6-3 |
| Challenger Meerbusch | 2019/08/15 15:00 | Louis Wessels v Scott Griekspoor | 7-5,7-5 |
| Challenger Meerbusch | 2019/08/14 11:00 | Marc-Andrea Huesler v Louis Wessels | 4-6,3-6 |
| Challenger Meerbusch | 2019/08/12 11:30 | Louis Wessels v Ivan Gakhov | 7-6,7-6 |
| Challenger Augsburg | 2019/08/07 09:00 | Henri Laaksonen v Louis Wessels | 6-2,6-4 |