Stadium: Center Court Round: 27 Ground: Clay
| ITF Tunisia F32 | 2018/09/20 09:00 | Juan Manuel Benitez Chavarriaga v Kai Wehnelt | 6-2,3-6,0-6 |
| ITF Tunisia F32 | 2018/09/18 12:55 | Kai Wehnelt v Andrej Glvac | 6-3,6-4 |
| ITF Germany F13 | 2018/08/23 08:00 | Kai Wehnelt v Louis Wessels | 4-6,3-6 |
| ITF Germany F13 | 2018/08/21 08:00 | Kai Wehnelt v Valentin Guenther | 7-5,6-1 |
| ITF Germany F12 | 2018/08/16 11:00 | Ivan Gakhov v Kai Wehnelt | 3-6,6-3,6-4 |
| ITF Germany F12 | 2018/08/15 15:25 | Niklas Schell v Kai Wehnelt | 4-6,1-6 |
| ITF Germany F11 | 2018/08/07 13:00 | Kai Wehnelt v Benjamin Hassan | 7-6,4-6,5-7 |
| ITF Germany F10 | 2018/08/02 12:35 | Evan Furness v Kai Wehnelt | 3-6,6-4,7-5 |
| ITF Tunisia F32 | 2018/09/20 10:30 | Amaury Delmas v Vasko Mladenov | 6-4,2-6,3-6 |
| ITF Tunisia F32 | 2018/09/19 11:25 | Vasko Mladenov v Luca Giacomini | 6-7,6-2,6-2 |
| Challenger Istanbul | 2018/09/09 10:20 | Vasko Mladenov v Nam Hoang Ly | 6-7,4-6 |
| Challenger Istanbul | 2018/09/08 08:30 | Vasko Mladenov v Cengiz Aksu | 7-5,2-6,6-3 |
| Challenger Gwangju Qual | 2018/08/12 03:25 | Ji Sung Nam v Vasko Mladenov | 6-3,6-3 |
| Challenger Gwangju Qual | 2018/08/11 04:45 | Vasko Mladenov v Young-Hoon Jeong | 6-0,6-2 |
| Challenger Jinan | 2018/08/04 09:05 | Sidharth Rawat v Vasko Mladenov | 5-7,6-3,6-3 |
| Challenger Chengdu Qual | 2018/07/28 09:15 | Blake Ellis v Vasko Mladenov | 7-5,6-2 |