Jack Lisowski booked a semi-final date with Mark Williams at The Masters in London last night.
He got the better of a tense affair with Hossein Vafaei, eventually prevailing by 6 frames to 4.
The semi-final line-up will be completed later.
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First up, Judd Trump faces Barry Hawkins.
The evening session sees Shaun Murphy take on Stuart Bingham.
