Nick Kyrgios sets up Rafael Nadal showdown at Australian Open

The Nick Kyrgios show will have another episode at the Australian Open after he edged a dramatic five-set clash against Karen Khachanov to set up a blockbuster fourth-round clash with Rafael Nadal. For the second successive night at Melbourne Park, the final match came down to a deciding tie-break, and, after Roger Federer's Houdini act against John Millman, Kyrgios won the final three points to the delight of a delirious crowd on Melbourne Arena. Kyrgios' 6-2 7-6 (5) 6-7 (6) 6-7 (7) 7-6 (8) victory included the usual mix of the sublime and the ridiculous, taking in a series of sublime half-volleys, several tweeners, an underarm serve and a diving backhand winner that cut his hand...