Stadium: Court 15 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion MD | 2023/10/27 10:30 | Den Heijer/Donders v Pontjodikromo/Visker | 4-6,7-5,5-10 |
| ITF M15 Heraklion MD | 2023/10/24 14:15 | Huber/Kahoun v Den Heijer/Donders | 6-7,6-7 |
| ITF M15 Heraklion MD | 2023/10/19 13:10 | Den Heijer/Donders v Huber/Kahoun | 4-6,3-6 |
| ITF M15 Heraklion MD | 2023/10/18 11:05 | Den Heijer/Donders v Parker/Quayle | 3-6,6-3,10-8 |
| ITF M15 Alkmaar MD | 2023/06/30 17:35 | Jong/Nijboer v Den Heijer/Donders | 6-2,6-7,11-9 |
| ITF M15 Alkmaar MD | 2023/06/29 17:30 | Den Heijer/Donders v Clavel/Stuurman | 6-2,6-0 |
| ITF M15 Alkmaar MD | 2023/06/27 09:00 | Den Heijer/Donders v Lalami Laaroussi/Von Der Schulenburg | 7-5,6-3 |