Jelle Klaasen has recorded a 6-4 victory over Raymond van Barneveld in the first round of the European Championship.
Van Barneveld had been hoping for a morale-boosting win after dropping outside the world's top 16, but he was second best in the all-Dutch affair as Klaasen hit four maximums on the way to victory.
World number one and defending champion Michael van Gerwen found himself 2-0 down against Dutch compatriot Jeffrey de Zwann before fighting back to see off the 19-year-old by a 6-3 scoreline.
Gary Anderson had a comfortable passage through to the last 16 after beating Brendan Dolan 6-3, while Phil Taylor reeled off six successive legs to register a 6-1 win against Vincent van der Voort.
Adrian Lewis and Dave Chisnall both emerged from last-leg deciders against Benito van de Pas and Mensur Suljovic respectively, while James Wade impressed on his doubles in a 6-3 triumph over Terry Jenkins.
In the final game of the day, Kim Huybrechts delighted the Belgian crowd with a 6-3 victory against Mervyn King.
Results in full: Adrian Lewis 6-5 Benito van de Pas, Mensur Suljovic 5-6 Dave Chisnall, James Wade 6-3 Terry Jenkins, Gary Anderson 6-3 Brendan Dolan, Jelle Klaasen 6-4 Raymond van Barneveld, Phil Taylor 6-1 Vincent van der Voort, Michael van Gerwen 6-3 Jeffrey de Zwann, Kim Huybrechts 6-3 Mervyn King
