Round: 62 Ground: Clay
| ITF Germany F5 | 2015/06/29 11:00 | David Simunek v Nico Mertens | 6-1,6-1 |
| ITF Germany F5 | 2015/06/28 08:00 | Nico Mertens v Oliver Mrose | 7-5,6-4 |
| ITF Germany F5 | 2015/06/28 08:00 | Nico Mertens v Hendrik Maier | 6-4,6-0 |
| ITF Netherlands F5 | 2014/08/20 09:50 | Nico Mertens v Alban Meuffels | 3-6,0-6 |
| ITF Netherlands F5 | 2014/08/19 08:00 | Nico Mertens v Mark-Flavius Andres | 6-2,3-6,6-3 |
| ITF Netherlands F5 | 2014/08/16 08:00 | Floris Van Den Brink v Nico Mertens | 1-6,1-6 |
| ITF Indonesia F5 | 2016/11/26 07:00 | Alexander Pavlioutchenkov v James Markiewicz | 4-6,7-6,6-2 |
| ITF Turkey F47 Qual | 2016/11/19 06:00 | James Markiewicz v Michal Kominek | 6-3,6-1 |
| ITF Netherlands F4 | 2016/07/02 08:00 | James Markiewicz v Stephan Gerritsen | 3-6,2-6 |