Stadium: Centre Court Round: 25 Ground: Hardcourt indoor
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 10:00 | Staeheli, Luca v Tholl, Robi | 6-2,6-2 |
| ITF Germany F11 | 2018/08/06 11:00 | Kopeinigg, Daniel v Tholl, Robi | 6-4,6-7,6-3 |
| ITF Germany F11 | 2018/08/05 12:00 | Raphael Calzi v Tholl, Robi | 2-6,4-6 |
| ITF Germany F11 | 2018/08/05 08:00 | Tholl, Robi v Melzer, Lennart | 6-0,6-0 |
| ITF Belgium F5 | 2018/07/22 10:00 | Muniz Hidalgo, Antonio v Tholl, Robi | 6-0,7-5 |
| ITF Belgium F5 | 2018/07/21 13:00 | Tholl, Robi v van Der Meerschen, Martin | 5-7,6-3,6-1 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Diederich, Tom v Tholl, Robi | 6-4,6-2 |
| ITF Germany F6 | 2018/07/01 08:00 | Tholl, Christophe v Tholl, Robi | 6-3,6-3 |
| ITF M25 Kassel | 2022/07/14 09:00 | Kai Wehnelt v Bogdan Bobrov | 6-7,3-6 |
| ITF M25 Kassel | 2022/07/13 13:05 | Neo Niedner v Kai Wehnelt | 1-6,0-6 |
| ITF M25 Marburg | 2022/07/07 11:50 | Michael Vrbensky v Kai Wehnelt | 6-3,6-2 |
| ITF M25 Marburg | 2022/07/06 17:40 | Kai Wehnelt v Jose Pereira | 6-4,0-6,6-2 |
| ITF M25 Bourg-en-Bresse | 2022/07/02 12:00 | Ugo Blanchet v Kai Wehnelt | 7-5,7-6 |
| ITF M25 Bourg-en-Bresse | 2022/07/01 13:05 | Kai Wehnelt v Patrick Zahraj | 6-1,6-3 |
| ITF M25 Bourg-en-Bresse | 2022/06/30 13:25 | Kai Wehnelt v Allan Deschamps | 6-1,6-2 |
| ITF M25 Bourg-en-Bresse | 2022/06/29 09:45 | Kai Wehnelt v Petros Tsitsipas | 6-3,6-1 |