Second seed Rafael Nadal eases past unseeded American Frances Tiafoe to reach the Australian Open semi-finals.
Petra Kvitova reaches her first Grand Slam semi-final since being stabbed in a knife attack as she beats Ashleigh Barty at the Australian Open.
Frances Tiafoe credited pickle juice with his run to the quarter-finals of the Australian Open - but what is the science behind it?
Stefanos Tsitsipas beats Roberto Bautista Agut in four sets to continue his superb run in Melbourne and reach the Australian Open semi-finals.
Audio & Video
Watch highlights as the 20-year-old 14th seed from Greece Stefanos Tsitsipas beats defending champion Roger Federer in the last 16 of the Australian Open in Melbourne.
He's got a one-handed backhand and raucous support - meet Greek star Stefanos Tsitsipas who stunned Roger Federer at the Australian Open.
As Andy Murray ponders whether to retire from tennis, we examine why hip surgery could finish his career, and what options he has.
Despite losing a five-set epic at his last Australian Open, Andy Murray showed enough to suggest a Wimbledon farewell could still be on the cards.
Andy Murray is one of the special few who created a dizzy golden period for British sport that defied the old cliches of plucky defeats, writes Tom Fordyce.
Analysis and opinion from the BBC's tennis correspondent.
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