 Tunisia: W15 Monastir 11 - Doubles - Main |
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| 1/8-finals | Cassani S./Komano M. | Bandurowska X./Sijbesma M. | CAN. | details | 26.03.2024 |
 Spain: W15 Manacor 2 - Doubles - Main |
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| Final | De Koning R./Sijbesma M. | Genis Salas M./Roura Llaverias R. | 1:2 (3:6, 6:2, 6:10) | details | 24.02.2024 |
| Semi-finals | Cassani S./Nikcevic T. | De Koning R./Sijbesma M. | 0:2 (2:6, 0:6) | details | 23.02.2024 |
| Quarter-finals | Kwong L./Ulyashchenko A. | De Koning R./Sijbesma M. | WO. | details | 22.02.2024 |
| 1/8-finals | De Koning R./Sijbesma M. | Fernandez Rincon C./Ruud C. | 2:0 (6:3, 6:4) | details | 20.02.2024 |
| Spain: W15 Manacor - Doubles - Main |
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| Quarter-finals | De Koning R./Sijbesma M. | Paukstyte P./Petretic L. | 0:2 (4:6, 3:6) | details | 15.02.2024 |
| 1/8-finals | Bandurowska X./Marcon M. | De Koning R./Sijbesma M. | 0:2 (2:6, 63:7) | details | 14.02.2024 |
| Tunisia: W15 Monastir 3 - Doubles - Main |
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| Final | Boehner L./Hutchinson H. | De Koning R./Sijbesma M. | 2:0 (6:4, 7:64) | details | 03.02.2024 |
| Semi-finals | De Koning R./Sijbesma M. | Plaza Araujo L./Tran D. | 2:0 (6:0, 6:3) | details | 03.02.2024 |
| Quarter-finals | Brack C./Iordache A. | De Koning R./Sijbesma M. | 0:2 (1:6, 4:6) | details | 01.02.2024 |
| 1/8-finals | Lee E./Wi H. W. | De Koning R./Sijbesma M. | 0:2 (5:7, 1:6) | details | 31.01.2024 |
 Cyprus: W25 Limassol - Doubles - Main |
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| Quarter-finals | Koevermans A./Sijbesma M. | Kraus S./Ryser V. | 0:2 (1:6, 5:7) | details | 23.11.2023 |
| 1/8-finals | Karunaratne A./Samir S. | Koevermans A./Sijbesma M. | 0:2 (0:6, 1:6) | details | 21.11.2023 |
| Tunisia: W15 Monastir 39 - Doubles - Main |
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| 1/8-finals | Ozeki M./Rustemova Z. | Sijbesma M./Soriano Santiago M. | 2:0 (6:1, 6:2) | details | 08.11.2023 |
| Tunisia: W15 Monastir 36 - Doubles - Main |
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| Final | Amos A./Sijbesma M. | Bandurowska X./Bergen M. | 2:1 (1:6, 6:2, 12:10) | details | 14.10.2023 |
| Semi-finals | Amos A./Sijbesma M. | Milenkovic K./Wildgruber A. | 2:0 (6:4, 6:2) | details | 13.10.2023 |
| Quarter-finals | Amos A./Sijbesma M. | Baglow E./Giessler E. G. | 2:0 (6:1, 6:3) | details | 12.10.2023 |
| 1/8-finals | Amos A./Sijbesma M. | Koussenkova V./Osabuohien A. | 1:0 RET. (6:2, 2:0) | details | 10.10.2023 |
| Tunisia: W15 Monastir 35 - Doubles - Main |
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| Final | Brugnone F./Lew Yan Foon A. | Amos A./Sijbesma M. | 0:2 (4:6, 1:6) | details | 07.10.2023 |
| Semi-finals | Cirotte A./Luikham J. | Amos A./Sijbesma M. | 1:2 (6:4, 63:7, 6:10) | details | 06.10.2023 |
| Quarter-finals | Haddad I./Iila E. | Amos A./Sijbesma M. | WO. | details | 05.10.2023 |
| 1/8-finals | Arangio G./Rothensteiner L. | Amos A./Sijbesma M. | 0:2 (1:6, 0:6) | details | 03.10.2023 |
 Netherlands: W15 Haren - Doubles - Main |
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| Final | Gadient N./Voracek E. M. | De Koning R./Sijbesma M. | 0:2 (3:6, 2:6) | details | 09.09.2023 |
| Semi-finals | Chlpac A./Hering K. | De Koning R./Sijbesma M. | 0:1 RET. (2:6, 0:0) | details | 08.09.2023 |
| Quarter-finals | Havermans D./Veldman K. | De Koning R./Sijbesma M. | 0:2 (2:6, 1:6) | details | 07.09.2023 |
| 1/8-finals | Van Bommel R./Van Poppel E. | De Koning R./Sijbesma M. | 0:2 (5:7, 1:6) | details | 06.09.2023 |
| Netherlands: W40 Oldenzaal - Doubles - Main |
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| Semi-finals | Haverlag I./Vedder E. | De Koning R./Sijbesma M. | 2:0 (6:2, 6:1) | details | 01.09.2023 |
| Quarter-finals | Lamens S./Stevens L. | De Koning R./Sijbesma M. | 1:2 (7:5, 5:7, 9:11) | details | 31.08.2023 |
| 1/8-finals | Hoedt M./Van Emst S. | De Koning R./Sijbesma M. | 0:2 (1:6, 4:6) | details | 29.08.2023 |
 Belgium: W15 Wanfercee-Baulet - Doubles - Main |
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| 1/8-finals | De Koning R./Sijbesma M. | El Aouni A./Modesti V. | 1:2 (2:6, 6:2, 5:10) | details | 23.08.2023 |
| Belgium: W15 Duffel - Doubles - Main |
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| Quarter-finals | Gettwart F./Tran L. | De Koning R./Sijbesma M. | 2:1 (6:2, 5:7, 10:6) | details | 17.08.2023 |
| 1/8-finals | Barth A./Gadient N. | De Koning R./Sijbesma M. | 0:2 (3:6, 3:6) | details | 15.08.2023 |
Thailand: W15 Nakhon Si Thammarat 4 - Singles - Main