Challenge Cup: Watch Jon Wilkin's Challenge Cup Challenge
Watch stars from each of this weekend's four Challenge Cup semi-finalists take on BBC Sport pundit Jon Wilkin's Challenge Cup Challenge.
Each player must land a conversion, then kick drop goals with either foot before hitting the post with a grubber kick - all in the quickest possible time.
Warrington's Gareth O'Brien and Chris Clarkson of Leeds take on the challenge ahead of their sides' semi-final clash in St Helens on Saturday.
Jack Owens of Widnes and Castleford's Jamie Ellis also do battle at the Leigh Sports Village, the scene of their last-four encounter on Sunday.
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