| ITF Belgio F12 | 09/05 16:25 | 25 | Stephan Gerritsen v Jeroen Vanneste | 4-6,0-6 | |
| ITF Olanda F7 | 08/31 11:15 | 26 | Stephan Gerritsen v Gibril Diarra | 7-6,4-6,2-6 | |
| ITF Olanda F7 | 08/29 14:50 | 25 | Stephan Gerritsen v Niklas Guttau | 7-5,6-3 | |
| ITF Olanda F6 | 08/20 09:00 | 62 | Stephan Gerritsen v Bart Van Den Berg | 4-6,6-7 | |
| ITF Olanda F5 | 08/17 08:00 | 26 | Stephan Gerritsen v Guy Den Heijer | 4-6,2-6 | |
| ITF Olanda F5 | 08/15 12:00 | 25 | Stephan Gerritsen v Nick Chappell | 5-7,6-0,6-1 | |
| ITF Belgio F8 | 08/09 09:35 | 25 | Maxime Hamou v Stephan Gerritsen | 4-6,6-1,6-2 | |
| ITF Belgio F8 - Qual. | 08/07 08:00 | 62 | Stephan Gerritsen v Gijs Buntsma | 4-6,6-3,6-2 | |
| ITF Belgio F8 - Qual. | 08/05 09:30 | 62 | Stephan Gerritsen v Brian Bencic | 6-1,6-2 | |
| ITF Belgio F6 | 07/28 09:00 | 27 | Yannick Vandenbulcke v Stephan Gerritsen | 6-3,6-4 | |
| ITF Belgio F6 | 07/26 08:00 | 26 | Stephan Gerritsen v Franco David Aubone | 6-2,6-1 | |
| ITF Belgio F6 | 07/24 08:00 | 25 | Jolan Cailleau v Stephan Gerritsen | 4-6,2-6 | |
| ITF Belgio F6 | 07/23 09:30 | 44 | Stephan Gerritsen v Maikel Borg | 4-6,7-5,6-1 | |
| ITF Belgio F5 | 07/16 11:00 | 44 | Stephan Gerritsen v Pedro Iamachkine | 6-0,2-6,4-6 | |
| ITF Belgio F5 | 07/15 13:00 | 44 | Stephan Gerritsen v Sidane Pontjodikromo | 6-3,6-7,6-4 | |
| ITF Olanda F4 | 07/13 09:00 | 26 | Stephan Gerritsen v Niels Lootsma | 1-6,6-4,3-6 | |
| ITF Olanda F4 | 07/11 08:00 | 25 | Stephan Gerritsen v Bart Brons | 7-6,6-4 | |
| ITF Olanda F3 | 07/05 12:30 | 25 | Jelle Sels v Stephan Gerritsen | 6-4,6-4 | |
| ITF Olanda F2 - Qual. | 06/26 12:10 | 44 | Stephan Gerritsen v Bart Van Den Berg | 4-6,6-3,3-6 | |
| ITF Olanda F1 | 06/19 17:00 | 25 | Stephan Gerritsen v Maxime Chazal | 4-6,2-6 | |
| ITF Turchia F8 | 02/27 07:00 | 62 | Martins Podzus v Stephan Gerritsen | 6-0,6-2 | |
| ITF Turchia F8 | 02/26 06:30 | 62 | Stephan Gerritsen v Mert Naci Turker | 6-3,6-2 | |
| ITF Turchia F8 | 02/25 08:30 | 62 | Stephan Gerritsen v Kuzey Cekirge | 7-5,7-6 | |
| ITF Turchia F7 | 02/19 06:30 | 62 | Stephan Gerritsen v Sarp Agabigun | 3-6,6-4,2-6 | |
| ITF Turchia F7 | 02/18 09:00 | 62 | Kerim Han Bilgin v Stephan Gerritsen | 2-6,0-6 | |
| ITF Germania F2 - Qual. | 01/15 12:00 | 62 | Philippe Gelade v Stephan Gerritsen | 2-6,7-6,7-6 | |
| ITF Israele F17 | 12/07 12:20 | 26 | Stephan Gerritsen v Alexandre Muller | 4-6,2-6 | |
| ITF Israele F17 | 12/06 08:55 | 25 | Yasha Zemel v Stephan Gerritsen | 3-6,2-6 | |
| ITF Israele F17 | 12/05 07:00 | 62 | Eric James Johnson v Stephan Gerritsen | 3-6,2-6 | |
| ITF Israele F17 | 12/04 10:00 | 62 | Pavel Mirobyan v Stephan Gerritsen | 1-6,0-6 |