Stadium: Clay 1 Round: 25 Ground: Clay
| ITF - M15 Antalya | 2019/09/20 07:00 | Michael Vrbensky v Kai Wehnelt | 6-4,4-6,6-4 |
| ITF - M15 Antalya | 2019/09/19 08:25 | Moritz Thiem v Kai Wehnelt | 2-6,3-6 |
| ITF - M15 Antalya | 2019/09/18 09:30 | Carlo Alberto Fossati v Kai Wehnelt | 3-6,6-7 |
| ITF - M15 Ueberlingen | 2019/08/24 10:00 | Kai Wehnelt v Louis Wessels | 3-6,0-6 |
| 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 Haren | 2019/08/29 09:00 | David Pichler v Bart Stevens | 6-2,6-2 |
| ITF - M15 Haren | 2019/08/28 09:00 | Adil Kalyanpur v Bart Stevens | 1-6,0-6 |
| ITF M25 Schlieren | 2019/08/21 08:00 | Bart Stevens v Daniel Masur | 6-3,3-6,4-6 |
| ITF - M15 Oldenzaal | 2019/08/17 10:45 | Bart Stevens v Amadatus Admiraal | 4-6,1-6 |
| ITF - M15 Oldenzaal | 2019/08/16 09:00 | Zachary Eisinga v Bart Stevens | 2-6,6-3,5-7 |
| ITF - M15 Oldenzaal | 2019/08/15 13:05 | Pelle Boerma v Bart Stevens | 3-6,3-6 |
| ITF - M15 Oldenzaal | 2019/08/14 13:50 | Bart Stevens v Riccardo Maiga | 5-7,6-4,7-5 |
| ITF - M15 Eupen | 2019/08/07 14:05 | Bart Stevens v Benjamin Dhoe | 6-4,2-6,5-7 |