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Andy Murray moved into his 20th consecutive grand slam fourth round as the Scot dug deep at the Australian Open to beat Portugal's Joao Sousa.
Murray was far from his fluent best on Margaret Court Arena but the world number two was clinical in the crucial moments as he sealed a 6-2 3-6 6-2 6-2 victory.
The British number one played on apparently unaware that his father-in-law Nigel Sears had been taken to hospital after collapsing on Rod Laver Arena.
Murray will now face either Bernard Tomic or John Millman, both from Australia, in the last 16.