Stadium: Centre Court Round: 27
| ITF Portugal F18 | 2018/09/27 11:10 | Romain Barbosa v Marek Gengel | 4-6,4-6 |
| ITF Portugal F18 | 2018/09/26 14:05 | Marek Gengel v Simon Carr | 6-1,6-4 |
| ITF Belarus F3 | 2018/08/25 07:00 | Marek Gengel v Francesco Vilardo | 1-6,3-6 |
| ITF Belarus F3 | 2018/08/24 07:00 | Igor Smilansky v Marek Gengel | 4-6,4-6 |
| ITF Belarus F3 | 2018/08/23 07:00 | Joshua Paris v Marek Gengel | 4-6,6-1,2-6 |
| ITF Belarus F3 | 2018/08/22 07:00 | Ben Jones v Marek Gengel | 6-3,4-6,2-6 |
| ITF Belarus F3 | 2018/08/21 07:00 | Grigoriy Lomakin v Marek Gengel | 2-6,1-6 |
| ITF Belarus F2 | 2018/08/16 07:00 | Marek Gengel v Sergey Betov | 5-7,3-6 |
| ITF Portugal F18 | 2018/09/27 09:00 | Pedro Araujo v Yannick Mertens | 2-6,3-6 |
| ITF Portugal F18 | 2018/09/26 10:20 | Eduardo Dischinger v Yannick Mertens | 0-6,6-7 |
| ITF France F18 | 2018/09/23 13:00 | Antoine Cornut-Chauvinc v Yannick Mertens | 6-7,2-6 |
| ITF France F18 | 2018/09/22 13:50 | Antoine Escoffier v Yannick Mertens | 6-7,6-3,6-7 |
| ITF France F18 | 2018/09/21 10:30 | Alen Avidzba v Yannick Mertens | 1-6,0-6 |
| ITF France F18 | 2018/09/19 11:35 | Sora Fukuda v Yannick Mertens | 3-6,4-6 |
| ITF France F18 | 2018/09/18 09:35 | Tony Bourcet v Yannick Mertens | 4-6,2-6 |
| ITF France F16 | 2018/09/07 09:20 | Yannick Mertens v Albano Olivetti | 1-6,5-7 |