| ITF M15 Cancun | 03/19 19:00 | 25 | Stephan Gerritsen v Facundo Mena | 3-6,4-6 | |
| ITF M15 Cancun | 03/12 16:20 | 25 | Aaron Schmid v Stephan Gerritsen | 4-6,7-6,6-4 | |
| ITF Túnez F42 | 11/30 08:30 | 27 | Luke Johnson v Stephan Gerritsen | Retired | |
| ITF Túnez F42 | 11/29 09:00 | 26 | Ivan Davydov v Stephan Gerritsen | 7-5,6-7,1-6 | |
| ITF Túnez F42 | 11/27 08:00 | 25 | Ervin H Eminefendic v Stephan Gerritsen | 1-6,2-6 | |
| ITF Túnez F41 | 11/23 08:30 | 27 | Stephan Gerritsen v Moez Echargui | 4-6,2-6 | |
| ITF Túnez F41 | 11/22 08:00 | 26 | Franco Emanuel Egea v Stephan Gerritsen | 6-1,4-6,5-7 | |
| ITF Túnez F41 | 11/21 08:00 | 25 | Stephan Gerritsen v Alec Deckers | 6-4,6-7,7-5 | |
| ITF EE. UU. F28B | 10/25 19:30 | 26 | Stephan Gerritsen v Matias Soto | 4-6,2-6 | |
| ITF EE. UU. F28B | 10/22 20:25 | 25 | Danny Thomas v Stephan Gerritsen | 6-3,3-6,1-6 | |
| ITF EE. UU. F28 | 10/16 15:00 | 25 | Axel Nefve v Stephan Gerritsen | 6-3,6-2 | |
| ITF EE. UU. F27 | 10/11 15:00 | 26 | Ronnie Schneider v Stephan Gerritsen | 6-4,6-1 | |
| ITF EE. UU. F27 | 10/10 16:30 | 25 | Adam El Mihdawy v Stephan Gerritsen | 3-6,2-6 | |
| ITF Kazajstán F8 | 09/25 05:00 | 25 | Stephan Gerritsen v Sagadat Ayap | 2-6,3-6 | |
| ITF Kazajstán F7 | 09/18 05:25 | 25 | Stephan Gerritsen v Mikalai Haliak | 3-6,6-4,4-6 | |
| ITF Países Bajos F6 | 08/31 10:50 | 27 | Stephan Gerritsen v Colin Van Beem | 6-7,3-6 | |
| ITF Países Bajos F6 | 08/30 14:35 | 26 | Stephan Gerritsen v Alec Deckers | 6-2,6-3 | |
| ITF Países Bajos F6 | 08/29 08:00 | 25 | Stephan Gerritsen v Maikel Borg | 3-6,6-3,7-6 | |
| ITF Holanda F5 | 08/21 12:20 | 25 | Kevin Kaczynski v Stephan Gerritsen | 6-4,1-6,6-2 | |
| ITF Holanda F4 | 08/14 11:25 | 25 | Stephan Gerritsen v Michiel de Krom | 4-6,2-6 | |
| ITF Bélgica F7 | 08/07 12:30 | 25 | Jeroen Vanneste v Stephan Gerritsen | 6-3,6-4 | |
| ITF Bélgica F6 | 08/01 11:00 | 25 | Stephan Gerritsen v Colin Sinclair | Retired | |
| ITF Bélgica F5 | 07/26 09:00 | 27 | Jonas Merckx v Stephan Gerritsen | 6-2,6-0 | |
| ITF Bélgica F5 | 07/25 15:30 | 26 | Andrew Watson v Stephan Gerritsen | 3-6,6-7 | |
| ITF Bélgica F5 | 07/23 10:00 | 25 | Buvaysar Gadamauri v Stephan Gerritsen | 2-6,3-6 | |
| ITF Bélgica F4 | 07/19 09:00 | 27 | Jonas Merckx v Stephan Gerritsen | 6-3,6-1 | |
| ITF Bélgica F4 | 07/18 10:05 | 26 | Simon Beaupain v Stephan Gerritsen | 5-7,6-4,2-6 | |
| ITF Bélgica F4 | 07/17 12:00 | 25 | Pablo Irigaray Guarne v Stephan Gerritsen | 3-6,0-6 | |
| ITF Países Bajos F3 | 07/11 17:00 | 26 | Stephan Gerritsen v Emil Ruusuvuori | 6-7,4-6 | |
| ITF Países Bajos F3 | 07/10 13:55 | 25 | Stephan Gerritsen v Kevin Kaczynski | 7-6,2-6,6-1 |