Stadium: Center Round: 26 Ground: Clay
| ITF - M25 Haga | 2023/07/05 12:30 | Michiel de Krom v Stijn Slump | 6-7,1-6 |
| ITF - M15 Alkmaar | 2023/06/28 10:50 | Stijn Slump v Sidane Pontjodikromo | 6-3,4-6,3-6 |
| ITF - M15 Madrid | 2022/12/06 11:00 | Stijn Slump v Julio Cesar Porras | 3-6,3-6 |
| ITF - M25 Madrid | 2022/11/28 09:00 | Stijn Slump v Zhenxiong Dong | 5-7,6-7 |
| ITF - M25 Madrid | 2022/11/27 13:00 | Stijn Slump v Samuel M Arjona | 6-2,6-1 |
| ITF - M15 Benicarlo | 2022/11/09 08:25 | Imanol L Morillo v Stijn Slump | 6-2,6-1 |
| ITF - M15 Benicarlo | 2022/11/08 08:30 | Xavi Matas Ortega v Stijn Slump | 7-5,1-6,10-12 |
| ITF - M15 Benicarlo | 2022/11/07 08:30 | Nil Boixader Roca v Stijn Slump | 4-6,1-6 |
| ITF - M25 Haga | 2023/07/05 17:15 | Younes Lalami Laaroussi v Max Houkes | 1-6,3-6 |
| Challenger - Modena | 2023/06/26 17:35 | Federico Coria v Max Houkes | 6-4,6-2 |
| Challenger - Poznan | 2023/06/20 08:30 | Max Houkes v Tomas Barrios Vera | 1-6,6-7 |
| ITF - M25 Risskov/Aarhus | 2023/06/16 09:55 | Max Houkes v Guy Den Ouden | 6-3,3-6,4-6 |
| ITF - M25 Risskov/Aarhus | 2023/06/15 11:55 | Max Houkes v Jonas P Hartenstein | 6-7,6-4,6-3 |
| ITF - M25 Risskov/Aarhus | 2023/06/14 08:30 | Max Houkes v Jack Karlsson Winstrand | 7-5,6-2 |
| Challenger - Skopje | 2023/05/24 09:00 | Max Houkes v Oliver Crawford | 4-6,2-6 |
| Challenger - Skopje | 2023/05/22 15:10 | Kacper Zuk v Max Houkes | 1-6,1-6 |