Dave Kelner joins Sam Norris to look ahead to all four semi-finals from the Australian Open.
With nine Australian Open titles between them, Novack Djokovic v Roger Federer is the pick of the ties with Andy Murray taking on Milos Raonic in the other men's semi.
On the women's side of the draw we preview Serena Williams v Agnieszka Radwanska and Angelique Kerber v Johanna Konta.
Enjoy.
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