Round: 45 Ground: Clay
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Buvaysar Gadamauri v Marlon Vankan | 3-6,4-6 |
| ITF Germany F9 | 2018/07/22 11:00 | Ewen Lumsden v Marlon Vankan | 6-1,6-0 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Marlon Vankan v Niklas Guttau | 1-6,2-6 |
| Challenger Marburg Qual | 2018/06/30 14:25 | Marlon Vankan v Moez Echargui | 3-6,3-6 |
| ITF France F6 Qual | 2018/03/17 12:30 | Marlon Vankan v Matthieu Roy | 2-6,3-6 |
| Challenger Koblenz Qual | 2018/01/15 14:20 | Christopher Heyman v Marlon Vankan | 6-1,7-6 |
| ITF Germany F11 | 2017/08/13 13:00 | Dan Added v Marlon Vankan | 6-3,6-1 |
| ITF Germany F11 | 2017/08/13 08:00 | Marvin Rehberg v Marlon Vankan | 5-7,3-6 |
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Tim Van Der Horst v Teodor Giusca | 6-3,2-6,2-6 |
| ITF Belgium F5 | 2018/07/26 11:00 | Zizou Bergs v Teodor Giusca | 6-0,6-3 |
| ITF Belgium F5 | 2018/07/25 08:00 | Teodor Giusca v Jeremy Sonkin | 6-1,6-3 |
| ITF Belgium F5 | 2018/07/23 08:00 | Simon Beaupain v Teodor Giusca | 2-6,1-6 |
| ITF Belgium F5 | 2018/07/22 12:00 | Teodor Giusca v Tom Diederich | 6-4,6-2 |
| ITF Belgium F5 | 2018/07/21 13:30 | Teodor Giusca v Christophe Nickels | 6-0,7-6 |
| ITF Belgium F4 | 2018/07/15 11:30 | Simon Beaupain v Teodor Giusca | 3-6,6-2,7-5 |
| ITF Belgium F3 | 2018/07/03 08:00 | Teodor Giusca v Dragos Nicolae Madaras | 4-6,1-6 |