Stadium: Court C Round: 46
| ITF Switzerland F2 | 2018/02/14 14:00 | Christopher Heyman v Niels Desein | 6-7,4-6 |
| ITF Switzerland F2 | 2018/02/13 08:00 | Christopher Heyman v Filip Duda | 7-6,6-4 |
| ITF Switzerland F1 | 2018/02/07 12:00 | Christopher Heyman v Gregoire Jacq | 4-6,5-7 |
| ITF Germany F2 | 2018/01/28 13:00 | Christopher Heyman v Sadio Doumbia | 6-7,5-7 |
| ITF Germany F2 | 2018/01/27 13:50 | Jan Choinski v Christopher Heyman | 4-6,6-4,6-7 |
| ITF Germany F2 | 2018/01/26 13:50 | Christopher Heyman v Daniel Masur | 6-0,6-1 |
| ITF Germany F2 | 2018/01/25 19:20 | Christopher Heyman v Elmar Ejupovic | 7-5,7-6 |
| ITF Germany F2 | 2018/01/23 18:30 | Christopher Heyman v Remi Boutillier | 6-3,3-6,6-1 |
| Challenger Lille Qual | 2018/03/18 10:00 | David Guez v Nikola Cacic | 6-1,6-7,6-3 |
| Challenger Lille Qual | 2018/03/17 09:00 | Nikola Cacic v Sander Arends | 6-3,3-6,6-1 |
| ITF Turkey F9 | 2018/03/08 12:40 | Ivan Nedelko v Nikola Cacic | 6-0,6-4 |
| ITF Turkey F9 | 2018/03/06 09:25 | Nikola Cacic v Ruben Busch | 6-1,6-1 |
| ITF Turkey F8 | 2018/03/02 07:00 | Nikola Cacic v Oriol Roca Batalla | 7-6,2-6,4-6 |
| ITF Turkey F8 | 2018/03/01 11:55 | Nikola Cacic v Camilo Ugo Carabelli | 6-3,6-2 |
| ITF Turkey F8 | 2018/03/01 07:00 | Nikola Cacic v Felipe Meligeni Rodrigues Alves | 6-3,7-6 |
| Challenger Chennai Qual | 2018/02/10 09:30 | Nikola Cacic v Suraj R Prabodh | 6-3,7-5 |