| ITF Netherlands F2 | 07/05 08:00 | 26 | 헬리오바라, 하리 v Gerritsen, Stephan | 6-2,7-5 | |
| ITF Netherlands F2 | 07/04 08:00 | 25 | 에르드보리에스, 틸만 v Gerritsen, Stephan | 7-5,5-7,4-6 | |
| ITF Netherlands F1 | 06/30 13:25 | 28 | 긴스, 클레멘트 v Gerritsen, Stephan | 7-5,6-4 | |
| ITF Netherlands F1 | 06/29 10:20 | 27 | Gerritsen, Stephan v 드호, 벤자민 | 3-6,6-2,6-3 | |
| ITF Netherlands F1 | 06/28 11:40 | 26 | Gerritsen, Stephan v 니부어, 리얀 | 6-4,7-6 | |
| ITF Netherlands F1 | 06/27 10:40 | 25 | Decamps, Gabriel v Gerritsen, Stephan | 3-6,6-0,4-6 | |
| ITF Belgium F1 | 06/20 08:00 | 25 | 라이스마, 케네스 v Gerritsen, Stephan | 7-6,6-4 | |
| Turkey F20, Singles Qualifying | 05/23 09:50 | 25 | 아크수, 센기즈 v Gerritsen, Stephan | 6-4,6-2 | |
| ITF Nigeria F3 | 05/01 09:00 | 25 | 싱, 달윈더 v Gerritsen, Stephan | 6-2,7-6 | |
| ITF Nigeria F3 Qual | 04/29 10:30 | 54 | Gerritsen, Stephan v 자코브스, 투키 | 6-7,7-6,6-1 | |
| Nigeria F2, Singles | 04/27 10:00 | 28 | 뉴크리스트, 맥시밀리안 v Gerritsen, Stephan | 6-2,6-1 | |
| Nigeria F2, Singles | 04/26 10:30 | 27 | Gerritsen, Stephan v 에리크슨, 마르쿠스 | 6-7,6-3,6-4 | |
| Nigeria F2, Singles | 04/25 10:35 | 26 | 안젤, 자이미 플로이드 v Gerritsen, Stephan | Retired | |
| Nigeria F2, Singles | 04/24 09:00 | 25 | Matos, Diego v Gerritsen, Stephan | 6-3,3-6,4-6 | |
| ITF Nigeria F2 Qual | 04/22 10:50 | 54 | Gerritsen, Stephan v 우본, 조세프 이메흐 | 7-6,7-6 | |
| Nigeria F1, Singles | 04/19 11:30 | 27 | Gerritsen, Stephan v 안젤, 자이미 플로이드 | 7-5,1-6,4-6 | |
| Nigeria F1, Singles | 04/18 10:45 | 26 | 가란간가, 타카니 v Gerritsen, Stephan | 3-6,4-6 | |
| Nigeria F1, Singles | 04/17 12:45 | 25 | 우본, 조세프 이메흐 v Gerritsen, Stephan | 1-6,6-4,3-6 | |
| ITF France F6 Qual | 03/18 13:00 | 54 | Gerritsen, Stephan v Marie, Jules | 6-1,1-6,5-7 | |
| ITF France F6 Qual | 03/17 12:40 | 54 | Gerritsen, Stephan v van Kerkhoven, Alexander | 6-1,6-1 | |
| ITF Egypt F8 | 03/05 08:00 | 62 | 곤잘레즈, 윌프레도 v Gerritsen, Stephan | 6-4,7-5 | |
| ITF Egypt F8 | 03/04 08:00 | 62 | Lusovsky, Michal v Gerritsen, Stephan | 2-6,4-6 | |
| ITF Egypt F8 | 03/03 12:30 | 62 | 케르들라피, 퐁사파크 v Gerritsen, Stephan | 1-6,4-6 | |
| Egypt F7, Singles Qualifying | 02/28 11:15 | 25 | Gerritsen, Stephan v 브로우벨, 기지스 | 4-6,0-6 | |
| Egypt F7, Singles Qualifying | 02/26 08:00 | 62 | Taweel, Issam Haitham v Gerritsen, Stephan | 4-6,1-6 | |
| Egypt F7, Singles Qualifying | 02/25 08:00 | 62 | 디트멜, 필리프 v Gerritsen, Stephan | 4-6,1-6 | |
| Egypt F6, Singles Qualifying | 02/19 08:00 | 62 | Press, Frederik v Gerritsen, Stephan | 6-3,6-2 | |
| Egypt F6, Singles Qualifying | 02/18 12:00 | 62 | 베이노비치, 마르코 v Gerritsen, Stephan | 2-6,2-6 | |
| Egypt F6, Singles Qualifying | 02/17 08:00 | 62 | 타시로, 유가 v Gerritsen, Stephan | 6-7,4-6 | |
| ITF Germany F14 | 10/08 11:30 | 44 | 렘스트라, 스벤 v Gerritsen, Stephan | Retired |