Wesley Plaisier and Lerena Rietbergen have already shown form at the Dutch Open by winning the warm-up tournament on Thursday.
Plaisier won the men's tournament by beating Danny van Trijp 5-2 in the final. Plaisier had previously defeated Johan van Velzen, Geert Nentjes and Max de Jong, among others.
Rietbergen was the best of the women. She beat the likes of Adriana van Wijgerden-Vermaat, Rhian O'Sullivan and in the final Roos van der Velde (4-2).
Men's
Semifinals
Wesley Plaisier 4-1 Max de Jong
Danny van Trijp 4-2 Mats Gies
Final
Wesley Plaisier 5-2 Danny van Trijp
Ladies
Semi Final
Rhian O'Sullivan 1-3 Roos van der Velde
Lerena Rietbergen 3-1 Deta Hedman
Final
Roos van der Velde 2-4 Lerena Rietbergen