Luke Littler saw off Gary Anderson 10-5 to continue his UK Open title defence and move into the quarterfinals in Minehead.
The two-time world champion had survived a scare to see off Kevin Doets in the fifth round during Saturday's afternoon session, but raced into a 4-1 lead in his evening match.
Anderson -- who beat Martin Schindler to make the sixth-round draw -- threatened a rally when he pinched the seventh leg against the darts, but Littler soon hit back to lead 7-3 at the next interval.
Littler maintained his momentum following the restart with more heavy scoring to take the match away from Anderson -- who was eventually dispatched when the world No. 1 pinned tops in the 16th leg, finishing with a 101 average.
Former UK Open champion Danny Noppert produced a composed display to see off world number two Luke Humphries 10-6 in the night's last match on the main stage.
World No. 4 Michael van Gerwen was dumped out by fellow three-time champion James Wade.
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Wade averaged over 105 as he raced to a 10-3 victory to reach finals day.
Gerwyn Price joined him there as the two-time runner-up fought back from 9-4 down to beat Ireland's Keane Barry 10-9.
In the opening match of Saturday's evening session on the main stage, Josh Rock saw off Stephen Bunting 10-7, edging a tight contest with a match average of just over 93.
On stage two, Premier League leader Jonny Clayton beat Martin Lukeman 10-7, having hit eight maximums, before Rob Cross beat Daryl Gurney 10-6.
World championship semifinalist Ryan Searle is also out after he slipped to a 10-5 defeat against Krzysztof Ratajski.