Stadium: Court 5 Round: 25 Ground: Clay
| ITF - M15 Sharm El Sheikh | 2019/03/13 11:45 | Kai Wehnelt v David Poljak | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/05 08:00 | Michael Vrbensky v Kai Wehnelt | 6-4,6-3 |
| ITF M15 Kaarst | 2019/02/08 13:30 | Mats Rosenkranz v Kai Wehnelt | 6-4,6-7,6-2 |
| ITF M15 Kaarst | 2019/02/07 14:55 | Kai Wehnelt v Karlo Cubelic | 7-6,7-6 |
| ITF - M25 Nussloch | 2019/01/24 13:45 | Peter Heller v Kai Wehnelt | 6-4,6-1 |
| ITF - M25 Nussloch | 2019/01/23 10:00 | Kai Wehnelt v Arjun Kadhe | 7-6,7-6 |
| ITF - M25 Nussloch | 2019/01/21 16:10 | Kai Wehnelt v Lang, Robin | 2-6,1-6 |
| ITF - M25 Nussloch | 2019/01/21 09:00 | Kai Wehnelt v Albuszies, Niklas | 6-1,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/03/14 08:00 | Enrico Dalla Valle v Hajek, Petr | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/03/13 12:15 | Robert Strombachs v Hajek, Petr | 6-7,3-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/05 08:00 | Hajek, Petr v Lukas Klein | 5-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/30 11:35 | Hajek, Petr v Kobelt, Peter | 2-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/28 16:00 | Hajek, Petr v Sao Thiago, Igor | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/01/23 08:00 | Hajek, Petr v Karim-Mohamed Maamoun | 2-6,2-6 |
| Czech Republic F11, Singles | 2018/11/21 15:45 | Hajek, Petr v Kirill Kivattsev | 6-3,6-4 |
| ITF Czech Republic F10 | 2018/11/16 09:00 | Hajek, Petr v Christoph Negritu | 6-7,2-6 |