Round: 26 Ground: Clay
| ITF Netherlands F4 | 2017/07/11 08:00 | Gerritsen, Stephan v Brons, Bart | 7-6,6-4 |
| ITF Netherlands F3 | 2017/07/05 12:30 | Jelle Sels v Gerritsen, Stephan | 6-4,6-4 |
| ITF Netherlands F2 Qual | 2017/06/26 12:10 | Gerritsen, Stephan v van Den Berg, Bart | 4-6,6-3,3-6 |
| ITF Netherlands F1 | 2017/06/19 17:00 | Gerritsen, Stephan v Maxime Chazal | 4-6,2-6 |
| Turkey F8, Singles Qualifying | 2017/02/27 07:00 | Podzus, Martins v Gerritsen, Stephan | 6-0,6-2 |
| Turkey F8, Singles Qualifying | 2017/02/26 06:30 | Gerritsen, Stephan v Mert Naci Turker | 6-3,6-2 |
| Turkey F8, Singles Qualifying | 2017/02/25 08:30 | Gerritsen, Stephan v Kuzey Cekirge | 7-5,7-6 |
| ITF Turkey F7 | 2017/02/19 06:30 | Gerritsen, Stephan v Sarp Agabigun | 3-6,6-4,2-6 |
| ITF Netherlands F4 | 2017/07/11 11:10 | van Beem, Colin v Niels Lootsma | 3-6,2-6 |
| ITF Netherlands F2 | 2017/06/30 14:00 | Jelle Sels v Niels Lootsma | 7-5,6-0 |
| ITF Netherlands F2 | 2017/06/28 15:00 | Fred Simonsson v Niels Lootsma | 4-6,6-7 |
| ITF Netherlands F1 | 2017/06/23 17:10 | Niels Lootsma v de Bakker, Thiemo | 3-6,4-6 |
| ITF Netherlands F1 | 2017/06/22 09:55 | Niels Lootsma v Gijs Brouwer | 7-5,6-2 |
| ITF Netherlands F1 | 2017/06/21 09:40 | Niels Lootsma v Sidane Pontjodikromo | 6-4,6-4 |
| Challenger Prostejov Qual | 2017/06/04 09:50 | Constant Lestienne v Niels Lootsma | 6-7,6-3,6-3 |
| ITF Czech Republic F3 | 2017/06/01 08:30 | Jan Choinski v Niels Lootsma | 7-6,4-6,6-3 |