Andy and Jamie Murray kept alive Great Britain’s hopes of retaining the Davis Cup with a four-set win over Argentina in the semi-final doubles.
The Scottish brothers beat Juan Martin del Potro and Leonardo Mayer 6-1 3-6 6-4 6-4 to cut Argentina’s lead to 2-1 in the best-of-five tie in Glasgow.
Andy Murray and either Kyle Edmund or Dan Evans must win singles matches on Sunday to give Britain victory.
The winners of the tie will face France or Croatia in the final in November.
Andy Murray had been expected to play in Saturday’s doubles with Britain on the verge of defeat, but it was a surprise to see Del Potro back on court after the pair’s five-hour-seven-minute match on Friday.
And Del Potro hinted after Saturday’s match that may not play on Sunday, should a fifth and final rubber be required.
“I have to be smart,” said Del Potro. “I want to play for more years not just one more match.”
Murray is scheduled to face Guido Pella in Sunday’s opening singles match before Del Potro takes on Edmund, although nominations can change up to an hour before the 13:00 BST start time.
“It’s going to be tough,” said Murray. “I’m obviously tired just now – I know how their players will be feeling too. I’ll try and get through the first match and see what happens.
“Two-one down is a tough position to be in, but we are closer than we were at the start of the day and I still believe we can come back.”
GB captain Leon Smith could choose to bring in the fresher Evans to face Del Potro, in place of Edmund, should Murray level the tie and force a decider.
“We’re going to need the Glasgow roar tomorrow,” said Smith.
“Everyone is tired – it’s that stage of the season. It’s the same for their team, but if there’s somebody you want going out to get the first rubber on the board, it’s Andy Murray.”
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