Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Eindhoven | 2023/07/30 12:00 | Jurriaan Bol v Lodewijk Weststrate | 6-4,3-6,10-7 |
| ITF M25 Esch/Alzette | 2023/07/19 10:50 | Lodewijk Weststrate v Mikalai Haliak | 6-7,6-4,3-6 |
| ITF M25 Esch/Alzette | 2023/07/17 13:20 | Lodewijk Weststrate v Felix Einig | 6-4,6-3 |
| ITF M25 Esch/Alzette | 2023/07/17 08:35 | Lodewijk Weststrate v Jim Hendrikx | 6-0,6-4 |
| ITF M25 The Hague | 2023/07/02 10:30 | Stijn Paardekooper v Lodewijk Weststrate | 6-2,6-4 |
| ITF M15 Alkmaar | 2023/06/28 16:20 | Lodewijk Weststrate v Mees Rottgering | 6-7,6-7 |
| ITF M15 Saarlouis | 2023/06/23 12:30 | Lodewijk Weststrate v Sander Jong | 3-6,7-5,2-6 |
| ITF M15 Saarlouis | 2023/06/22 11:30 | Lodewijk Weststrate v Guy Den Heijer | 7-6,6-4 |
| ITF M25 Benicarlo | 2023/11/05 08:30 | Steffan Van Weldam v Petr Iamachkine | 1-6,4-6 |
| ITF M25 Tavira | 2023/10/15 12:00 | Steffan Van Weldam v Twan Van Zijl | 1-6,0-6 |
| ITF M25 Tavira | 2023/10/09 09:00 | Johannes Ingildsen v Steffan Van Weldam | 6-1,6-4 |
| ITF M15 Buschhausen | 2023/09/11 13:20 | Steffan Van Weldam v Christian Hansen | 4-6,1-6 |
| ITF M15 Buschhausen | 2023/09/11 08:00 | Jurriaan Bol v Steffan Van Weldam | 6-7,6-4,7-10 |
| ITF M15 Haren | 2023/09/03 08:00 | Steffan Van Weldam v Lars Wagenaar | 6-4,2-6,5-10 |
| ITF M25 Oldenzaal | 2023/08/28 14:10 | Roland Stuurman v Steffan Van Weldam | 6-2,6-0 |
| ITF M25 Oldenzaal | 2023/08/27 14:30 | Oscar Galimardanov v Steffan Van Weldam | 5-7,6-2,6-10 |