Australian Open Day 10 – Serena Williams put in her best performance of the tournament, defeating 2014 finalist Dominika Cibulkova 6-2 6-2 to reach the semifinals.
Australian Open Day 10 – Williams has never lost a semifinal or final at the Australian Open, which doesn't bode well for her next opponent, Madison Keys.
Australian Open Day 10 – The 19-year-old prevented an all-Williams semifinal by ousting Venus Williams 6-3 4-6 6-4.
Australian Open Day 10 – Keys -- who had never before played in a grand slam quarterfinal -- won despite taking a medical timeout for a thigh injury.
Australian Open Day 10 – Venus Williams failed in her bid to make a first grand slam semifinal since the 2010 U.S. Open. She made 38 unforced errors -- combined with only 10 winners.
Australian Open Day 10 – In the men's draw, world No. 1 Novak Djokovic, seen here, easily dispatched big-serving Canadian Milos Raonic 7-6 (5) 6-4 6-2 to reach the semifinals.
Australian Open Day 10 – Djokovic was at his athletic best returning the Raonic serve. And he didn't face a break point.
Australian Open Day 10 – The defending champion, Stan Wawrinka, is Djokovic's next opponent.
Australian Open Day 10 – He saw off U.S. Open finalist Kei Nishikori 6-3 6-4 7-6 (6).
Australian Open Day 10 – The last three grand slam matches between Djokovic and Wawrinka have all gone five sets, including last year in Melbourne.