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Northern Ireland's Josh Rock progressed to the quarter-finals at the Grand Slam of Darts by beating Poland's Krzysztof Ratajski 10-5 in Wolverhampton.

The victory earned Rock, 22, a place in his first major quarter-final.

Rock moved 4-0 up and while the Pole won the next two legs, the Broughshane man clinched victory, helped by a double double finish in leg 13.

He missed nine match darts before double five secured victory to set up a semi-final on Saturday with James Wade.

Englishman Wade held off a comeback from Masters champion Chris Dobey to edge a 10-8 victory in their contest.

Welsh star Gerwyn Price exited as he was beaten 10-6 by Scotland's Gary Anderson.