Stadium: Court 4 Round: 62 Ground: Clay
| ITF Germany F11 | 2018/08/05 10:00 | Marlon Vankan v Christophe Tholl | 6-4,6-1 |
| ITF Belgium F6 Qual | 2018/07/29 14:15 | Marlon Vankan v Teodor Giusca | 1-6,0-6 |
| 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 | 2018/08/05 10:00 | Arpit Sharma v Alexander Merino | 3-6,3-6 |
| ITF Georgia F1 | 2018/07/08 07:00 | Alexander Merino v Oleg Besednikov | 5-7,3-6 |
| ITF Mexico F3 | 2018/05/21 17:00 | Alexander Merino v Edward Bourchier | 6-7,6-3,3-6 |
| ITF Mexico F2 | 2018/05/14 16:00 | Boris Arias v Alexander Merino | 6-4,6-4 |
| ITF Mexico F2 | 2018/05/12 16:00 | Jody Turnquest v Alexander Merino | 2-6,4-6 |
| ITF Mexico F1 | 2018/05/07 15:00 | Alexander Merino v Trey Hilderbrand | 6-7,3-6 |
| ITF Mexico F1 | 2018/05/06 16:00 | Alexander Merino v Marcelo Sepulveda | 6-2,5-7,6-3 |
| Challenger Puerto Vallarta Qual | 2018/04/28 18:15 | Alexander Merino v Boris Arias | 6-3,4-6,2-6 |