Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF W15 Haren WD | 2023/09/09 14:15 | Gadient/Voracek v De Koning/Sijbesma | 3-6,2-6 |
| ITF W15 Haren WD | 2023/09/07 14:45 | Havermans/Veldman v De Koning/Sijbesma | 2-6,1-6 |
| ITF W15 Haren WD | 2023/09/06 16:00 | Van Bommel/Van Poppel v De Koning/Sijbesma | 5-7,1-6 |
| ITF W40 Oldenzaal WD | 2023/09/01 14:45 | Haverlag/Vedder v De Koning/Sijbesma | 6-2,6-1 |
| ITF W40 Oldenzaal WD | 2023/08/31 17:30 | Lamens/Stevens v De Koning/Sijbesma | 7-5,5-7,9-11 |
| ITF W40 Oldenzaal WD | 2023/08/29 17:30 | Hoedt/Van Emst v De Koning/Sijbesma | 1-6,4-6 |
| ITF W15 Wanfercee-Baulet WD | 2023/08/23 15:35 | De Koning/Sijbesma v El Aouni/Modesti | 2-6,6-2,5-10 |
| ITF W15 Duffel WD | 2023/08/17 14:30 | Gettwart/Tran v De Koning/Sijbesma | 6-2,5-7,10-6 |