Great Britain have not had the best of starts to their 2016 Davis Cup semi-final matches.
Andy Murray took on Juan Martin del Potro on Friday at the Emirates Arena in Glasgow, in a match that would surpass the five-hour mark. It was a long and gripping contest that would push both players to their limits.
Unfortunately though, for Murray, he was unable to repeat his Olympic triumph against the Argentine world number 64 seed, with Del Potro eventually managing to win the tie by a scoreline of 6-4 5-7 6-7 (5-7) 6-3 6-4.
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In the other semi-final match of the day between the two nations, Argentina's Guido Pella took the victory against Kyle Edmund by a margin of three sets to one. The scoreline finishing 6-7 (5-7) 6-4 6-3 6-2.
The results of Friday's play means that the Great Britain team now trail their Argentinian counterparts by two games to nil.
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Although it may still be possible for Great Britain to beat Argentina to a place in the final stage of the competition, it is going to be one hell of a task.
In order to do so, Great Britain need to win the doubles game - being played today - which will see Murray and his brother Jamie take on Federico Delbonis and Leonardo Mayer.
As well as winning today's doubles clash, Murray will also have to beat Guido Pella in a singles match on Sunday, and Kyle Edmund will have to prevail in his match against Juan Martin del Potro, which is also being played on Sunday.
This is considered to be a tall order for Great Britain - especially when you take into consideration the fact that Murray has just played his first ever match to breach the five-hour mark - with some people raising concerns over the Scotsman's ability to make a full recovery in time for his remaining fixtures.
Although Murray would fall short in his match against Del Potro, he did manage to put in a remarkable display, playing some outstanding shots along the way.
His determination was clear for all to see, and in the video below, we see him playing with a high intensity despite trailing in the match.
The video shows Murray engaging in a short rally with Del Potro, following his opponent's serve before being lobbed by the Argentine, forcing Murray to scramble back to his baseline and play a sublime shot on the turn, which was hit with enough pace to ensure that the Argentine would not be able to make the return.
The shot was branded 'Shot of the Day' by the Davis Cup's official Twitter page.
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