Stadium: Court 3 Round: 25 Ground: Clay
| ITF Netherlands F6 | 2017/08/20 09:00 | Krohn, Linus v Mertens, Nico | 2-6,6-3,0-6 |
| ITF Netherlands F5 | 2017/08/16 08:00 | Mertens, Nico v Fransen, Stephan | 6-0,4-6,2-6 |
| ITF Germany F10 | 2017/08/08 11:50 | Mertens, Nico v Benjamin Hassan | 6-3,3-6,2-6 |
| ITF Germany F10 | 2017/08/07 10:00 | Maxence Beauge v Mertens, Nico | 3-6,3-6 |
| ITF Germany F10 | 2017/08/06 13:00 | Mrazek, David v Mertens, Nico | 4-6,6-7 |
| ITF Germany F10 | 2017/08/06 08:00 | Daljev, Pavle v Mertens, Nico | 6-3,3-6,3-6 |
| ITF Germany F9 | 2017/08/01 12:55 | Mertens, Nico v Fallert, Florian | 4-6,1-6 |
| ITF Germany F9 | 2017/07/31 15:00 | de Valk, Roy Sarut v Mertens, Nico | 2-6,6-7 |
| ITF Netherlands F5 | 2017/08/19 12:45 | Botic Van De Zandschulp v Meis, Pascal | 6-1,6-3 |
| ITF Netherlands F5 | 2017/08/18 09:45 | Meis, Pascal v van Den Berg, Bart | 6-0,6-4 |
| ITF Netherlands F5 | 2017/08/17 10:00 | Meis, Pascal v Willems, Johann | 6-3,7-6 |
| ITF Netherlands F5 | 2017/08/16 10:00 | Meis, Pascal v Oumaouche, Rayane | 6-0,7-5 |
| ITF Netherlands F3 | 2017/07/08 12:00 | Botic Van De Zandschulp v Meis, Pascal | 6-3,6-2 |
| ITF Netherlands F3 | 2017/07/07 11:00 | Griekspoor, Scott v Meis, Pascal | 6-4,3-6,2-6 |
| ITF Netherlands F3 | 2017/07/05 10:00 | Griekspoor, Kevin v Meis, Pascal | 6-7,2-6 |
| ITF Netherlands F3 | 2017/07/03 18:00 | van Der Horst, Tim v Meis, Pascal | 3-6,2-6 |