Stadium: Court 3 (CC) Round: 25 Ground: Clay
| ITF M25 Oldenzaal | 2023/08/31 15:20 | 크루포드, 올리버 v Slump, Stijn | 6-4,6-2 |
| ITF M25 Oldenzaal | 2023/08/30 17:40 | 스투르만, 롤란드 v Slump, Stijn | 0-6,2-6 |
| ITF M15 Huy | 2023/08/25 12:20 | 스펠레, 존 v Slump, Stijn | 6-3,7-6 |
| ITF M15 Huy | 2023/08/22 09:00 | Slump, Stijn v 스테이너, 마이크 | 7-5,6-7,6-4 |
| ITF M25 Koksijde | 2023/08/16 13:10 | 가다마우리, 부바이살 v Slump, Stijn | 7-6,6-2 |
| ITF M25 Koksijde | 2023/08/15 11:00 | Slump, Stijn v 데놀리, 코렌틴 | 6-0,6-4 |
| ITF M25 Koksijde | 2023/08/14 08:00 | Slump, Stijn v 로하스, 올리비에 | 7-5,6-3 |
| ITF M25 Koksijde | 2023/08/13 13:35 | Slump, Stijn v 다미안, 미하이타 다니엘 | 6-2,6-1 |
| ITF M25 Oldenzaal | 2023/08/31 10:25 | Sander Jong v 게르치, 루카스 | 2-6,6-7 |
| ITF M25 Oldenzaal | 2023/08/30 17:25 | Sander Jong v Twan Van Zijl | 7-5,6-0 |
| ITF M25 Poznan | 2023/08/25 09:00 | 웨흐넬트, 카이 v Sander Jong | 7-6,6-3 |
| ITF M25 Poznan | 2023/08/24 09:00 | Sander Jong v Compagnucci, Tommaso | 6-1,6-4 |
| ITF M25 Poznan | 2023/08/23 08:25 | Michael Agwi v Sander Jong | 4-6,4-6 |
| ITF M15 Eindhoven | 2023/08/04 12:35 | Moller, Elmer v Sander Jong | 6-2,7-5 |
| ITF M15 Eindhoven | 2023/08/03 14:30 | Sander Jong v Tom Gentzsch | 1-6,6-2,6-3 |
| ITF M15 Eindhoven | 2023/08/02 13:50 | Sander Jong v Mees Rottgering | 7-5,6-2 |