Stadium: Clay 3 Round: 26 Ground: Clay
| ITF Turkey F29 | 2018/09/25 07:30 | Jeroen Vanneste v Erik Crepaldi | 7-5,6-0 |
| Challenger Szczecin | 2018/09/09 10:35 | Guillermo Duran v Jeroen Vanneste | 6-1,6-2 |
| Challenger Szczecin | 2018/09/08 10:20 | Tomasz Bednarek v Jeroen Vanneste | 0-6,2-6 |
| Challenger Seville | 2018/09/02 09:40 | Jeroen Vanneste v Marko Djokovic | 4-6,1-6 |
| Challenger Seville | 2018/09/01 10:10 | Jeroen Vanneste v Diego-Jose Manrique-Velazquez | 6-2,6-2 |
| ITF Poland F8 | 2018/08/23 09:00 | Jeroen Vanneste v Artem Smirnov | 1-6,3-6 |
| ITF Poland F8 | 2018/08/21 11:05 | Jeroen Vanneste v Nikita Mashtakov | 7-6,4-6,6-3 |
| ITF Belgium F7 | 2018/08/12 13:00 | Jeroen Vanneste v Tomas Martin Etcheverry | 3-6,3-6 |
| ITF Turkey F29 | 2018/09/25 07:30 | Sebastian Prechtel v Philip Bachmaier | 6-3,6-2 |
| ITF Turkey F29 | 2018/09/24 09:00 | Sebastian Prechtel v Maurizio Speziali | 6-3,2-6,1-6 |
| ITF Turkey F28 | 2018/09/16 07:30 | Sebastian Prechtel v Jordi Walder | 3-6,3-6 |
| ITF Germany F13 | 2018/08/19 08:00 | Sebastian Prechtel v Patrick Zahraj | 3-6,0-6 |
| ITF Germany F12 | 2018/08/14 10:00 | Thomas Statzberger v Sebastian Prechtel | 3-6,6-3,6-2 |
| Challenger Pullach Qual | 2018/08/04 15:05 | Mikael Ymer v Sebastian Prechtel | 6-4,7-5 |
| ITF Bosnia and Herzegovina F2 | 2018/05/23 10:50 | Sebastian Prechtel v Ljubomir Celebic | 7-5,4-6,3-6 |
| ITF Turkey F17 | 2018/05/01 13:15 | Cristian Florentin Voinea v Sebastian Prechtel | 3-6,6-3,7-5 |