Serena Williams admitted her Australian Open quarter-final opponent Karolina Pliskova played "lights-out" tennis when on the brink of defeat to cause a huge upset.
Looking like an 18th-century poet but with a 21st-century game Stefanos Tsitsipas has come of age on the Grand Slam stage after reaching the Australian Open semi-finals.
Novak Djokovic progressed into the Australian Open semi-finals when Kei Nishikori retired due to injury.
Updates from the Australian Open, including Petra Kvitova against Danielle Collins and Karolina Pliskova up against Naomi Osaka in the women's semi-finals.
Serena Williams was dumped out of the Australian Open quarter-finals on Wednesday as Karolina Pliskova saved four match points in a remarkable comeback win.
Frenchman Lucas Pouille reached his maiden Grand Slam semi-final with a four-set victory over Milos Raonic at the Australian Open.
Jamie Murray and Bruno Soares suffered more Grand Slam quarter-final disappointment at the Australian Open.
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