De Bruin and Plaisier saw off young duo Wessel Nijman and Jerry Hendriks in the final.
While for De Graaf and Prins, they saw off Vanessa Zuidema and Lerena Rietbergen in a 4-2 win.
There is further tournaments this weekend currently taking place in the singles with the Masters and Open.
Mens
Quarter-Finals
Stefan Schroder/Mitchel Gebben 3-0 Danny van Trijp/Elvin Geerlof
Wessel Nijman/Jimmy Hendriks 3-1 Roemer Mooijman/Silko Visser
Peter de Bruin/Wesley Plaisier 3-2 Andrew Beton/Meik Dankers
Danny Merlijn/Koen den Hartog 3-1 Mike de Decker/Jeffrey van Egdom
Semi-Finals
Wessel Nijman 3-2 Stefan Schroder/Mitchel Gebben
Peter de Bruin/Wesley Plaisier 3-1 Danny Merlijn/Koen den Hartog
Final
Peter de Bruin/Wesley Plaisier 4-2 Wessel Nijman/Jimmy Hendriks
Ladies
Semi-Finals
Aileen de Graaf/Sharon Prins 3-0 Julie Thompson/Marin Hendriks
Vanessa Zuidema/Lerena Rietbergen 3-1 Deta Hedman/Anita van der Velde
Final
Aileen de Graaf/Sharon Prins 4-2 Vanessa Zuidema/Lerena Rietbergen