Stadium: M.A.R.A. Court Round: 26 Ground: Clay
| ITF M25 The Hague | 2023/07/06 17:00 | de Bakker, Thiemo v Deney Wassermann | 6-7,6-1,4-6 |
| ITF M15 Buschhausen | 2023/09/12 09:45 | Alec Beckley v Deney Wassermann | 2-6,4-6 |
| ITF M15 Haren | 2023/09/06 12:55 | Deney Wassermann v Brian Bozemoj | 6-3,6-7,5-7 |
| ITF M25 Oldenzaal | 2023/08/31 07:55 | Deney Wassermann v Max Houkes | 7-6,4-6,3-6 |
| Challenger Amersfoort | 2023/07/16 10:30 | Joris De Loore v Deney Wassermann | 7-6,6-4 |
| ITF M25 The Hague | 2023/07/07 12:35 | Sander Jong v Deney Wassermann | 3-6,6-7 |
| ITF M25 The Hague | 2023/07/06 17:00 | de Bakker, Thiemo v Deney Wassermann | 6-7,6-1,4-6 |
| ITF M25 The Hague | 2023/07/05 17:40 | Deney Wassermann v Ergi Kirkin | 7-6,7-6 |
| ITF M15 Alkmaar | 2023/06/28 11:30 | Deney Wassermann v Guy Den Ouden | 6-7,5-7 |
| ITF M15 Buschhausen | 2023/09/13 15:00 | Liam Gavrielides v de Bakker, Thiemo | 4-6,2-6 |
| ITF M15 Haren | 2023/09/10 11:00 | Sidane Pontjodikromo v de Bakker, Thiemo | 3-6,2-6 |
| ITF M15 Haren | 2023/09/09 10:00 | de Bakker, Thiemo v Brian Bozemoj | 6-3,6-2 |
| ITF M15 Haren | 2023/09/08 16:05 | Kai Lemstra v de Bakker, Thiemo | 3-6,6-7 |
| ITF M15 Haren | 2023/09/07 13:25 | de Bakker, Thiemo v Dax Donders | 7-6,6-2 |
| ITF M15 Haren | 2023/09/06 16:10 | Elgin Khoeblal v de Bakker, Thiemo | 2-6,1-6 |
| ITF M15 Haren | 2023/09/05 08:00 | de Bakker, Thiemo v Mats Bredschneijder | 6-2,6-0 |
| ITF M15 Haren | 2023/09/04 11:00 | de Bakker, Thiemo v Louis Van Herck | 6-2,7-5 |