19-08-2021
| Wedstrijd | Winnaar | Verliezer | Uitslag |
|---|---|---|---|
| VK H21 | Jo Vaeremans | Pieter Wynants | ff |
| DK B33 | Mieke Claes | Nathalie Klaykens | 6/0 6/4 |
| VR B25 | Tom Boogaerts | Piet Nuttin | 1/0 opgave |
| DV H16 | Luc Berben / Geert Verbiest | Joeri Vandermeeren / Dirk Peeters | ff |
| JE B32 | Femke Lenaerts | Yelena Beyen | 6/2 6/0 |
| JC H21 | Broes Berges | Jorben Joly | 6/2 6/1 |
| HR B32 | Marnik Beyen | Arne Verschueren | 7/6 6/1 |
| SV H21 | Gert Minnen | Rudi Verbinnen | 3/6 6/3 6/2 |
| JC H31 | Broes Berges | Lukas Bode | WO |
| JE H21 | Lars Vaeremans | Yelena Beyen | WO |
| DV H14 | David Van der Linden / Ward Mathys | Walter Merens / Kris Nijs | 6/2 7/6 |
| DR B25 | Tine Van Welde | Gwendolyn Wanet | 6/3 6/2 |
| DG H11 | Tim Hielegems / Vanessa Slegers | Franky Sinap / Sofie Elsen | 0/6 7/5 1/0 |
| DV B34 | Stef De Cuyper / Adriano Summa | Kris Beyen / Paul Sauvillers | 6/3 6/4 |
| D2 H14 | Tom Donné / Anja Cornet | Kurt Somers / Dieter Vangodtsenhoven | 6/4 7/6 |
| SV B32 | Guy Bormans | Marc Aertssen | 6/3 6/3 |
| VK H22 | Joeri Vandermeeren | Tom Vanraes | 6/2 6/0 |
| VK B32 | Frank Vandaele | Styn Grieten | 6/1 6/0 |
| HR H07 | Gil Merckx | Lucas Delabastita | 6/2 7/6 |
| DD1 B33 | Leen Verheyden / Ellen Verdrengh | Kaat Verbinnen / Katrien Jans | 6/2 6/3 |
| VK B33 | Wim De Wachter | Bert Meurrens | 3/6 6/3 6/0 opg |
| HR H13 | Geert Swinnen | Laurens Defrere | 6/2 6/1 |
| DD1 H11 | Amber Wouters / Lies Matthys | Julie Piron / Katrien Vanhouche | 0/6 6/4 1/0 |
| HR H18 | Jasper Callaerts | Toon Kellen | 6/2 6/0 |
| HR H15 | Jens Fahy | Tijs Stockmans | 6/2 3/6 6/4 |
| D2 H11 | Michael Verwimp / Wouter Hoegaerts | Jarne Smets / Bart Lemmens | 6/2 6/2 |
| DG H12 | Gerrik Wolfs / Tine Van Welde | Johan De Rop / Susan Vermeij | 6/3 4/6 1/0 |
| DV H12 | Peter Wens / Dieter Vangodtsenhoven | Rob Govaerts / Frank Vaernewyck | 6/2 6/7 1/0 |
| DV B33 | Edwin Tops / Tom Vandeplas | Joeri Vandermeeren / Andre Minnen | 7/5 6/0 |
| DV H15 | Harry Laureys / Tom Boogaerts | Rudi Verbinnen / Patrick Vanderieck | 6/4 6/4 |
| DD2 H12 | Sandy Ronsmans / Leen Claes | Astrid Bollaerts / Evelyne Debeckker | 6/1 6/0 |
| DD2 H13 | Ann Boffé / Caroline De Meester | Anja Cornet / Inge Huypens | 6/3 3/6 1/0 |
| DV H22 | David Van der Linden / Peter Van Hest | Tom Van De Walle / Ward Mathys | 6/2 6/7 1/0 |