Stadium: I Round: 28 Ground: Clay
| ITF Belgium F13 | 2016/09/09 16:00 | Netuschil, Marvin v Merckx, Jonas | 6-3,6-2 |
| ITF Belgium F7 | 2014/09/09 08:40 | Netuschil, Marvin v Merckx, Jonas | 7-5,6-3 |
| ITF Belgium F14 | 2014/09/03 13:10 | Merckx, Jonas v Netuschil, Marvin | 1-6,2-6 |
| ITF Belgium F12 | 2017/09/08 11:00 | Netuschil, Marvin v Mertens, Nico | 6-2,6-4 |
| ITF Belgium F12 | 2017/09/06 14:55 | Netuschil, Marvin v Bratholm, Simen Sunde | 6-4,6-3 |
| ITF Belgium F12 | 2017/09/05 15:05 | Netuschil, Marvin v Van Terheijden, Tim | 6-3,6-7,6-0 |
| Challenger Lisbon Qual | 2017/06/10 10:00 | Munoz-De la Nava, Daniel v Netuschil, Marvin | 6-3,6-0 |
| Challenger Rome Qual | 2017/05/08 09:00 | Netuschil, Marvin v Maden, Yannick | 3-6,4-6 |
| Challenger Rome Qual | 2017/05/07 09:00 | Daniel Masur v Netuschil, Marvin | 6-1,5-7,3-6 |
| Challenger Rome Qual | 2017/05/06 09:00 | Netuschil, Marvin v de Santis, Gianmarco | 6-0,6-0 |
| Challenger Ostrava Qual | 2017/04/30 11:45 | El Amrani, Reda v Netuschil, Marvin | 6-7,6-2,6-3 |
| ITF Belgium F12 | 2017/09/08 08:00 | Merckx, Jonas v Niklas-Salminen, Patrick | 6-2,6-3 |
| ITF Belgium F12 | 2017/09/07 10:30 | Merckx, Jonas v van Den Berg, Bart | 6-0,6-4 |
| ITF Belgium F12 | 2017/09/05 10:05 | Merckx, Jonas v Johnson, Hunter | 6-4,6-2 |
| ITF Belgium F11 | 2017/09/02 15:00 | Merckx, Jonas v Louis Wessels | 4-6,3-6 |
| ITF Belgium F11 | 2017/09/01 09:05 | Pauwels, Maxime v Merckx, Jonas | 4-6,2-6 |
| ITF Belgium F11 | 2017/08/31 09:35 | Manuel Guinard v Merckx, Jonas | 4-6,0-6 |
| ITF Belgium F11 | 2017/08/28 11:50 | Gelade, Philippe v Merckx, Jonas | 0-6,0-6 |
| ITF Belgium F9 | 2017/08/18 14:05 | Cagnina, Julien v Merckx, Jonas | 6-7,6-0,6-2 |