World Champions Raymond van Barneveld and John Part both made shock exits in the last 16 of the World Grand Prix in Dublin.
Van Barneveld was defeat 3-1 by Andy Smith, while Part was beaten by the same scoreline by Brendan Dolan.
Smith's reward is a quarter-final match against James Wade, who was successful in his match against Vincent van der Voort.
Elsewhere, Wes Newton was dumped out by John Henderson 3-2.
