The 36 year-old - who's reached the final five times - admits it's a "definite possibility" he won't be back
Three-time Grand Slam champion Andy Murray has hinted he could've played his last ever match at the Australian Open.
A straight sets defeat to Tomas Martin Etcheverry saw him knocked out in the first round in Melbourne for only the second time in his career.
The 36 year-old - who's reached the final five times - admits it's a "definite possibility" he won't be back.
Elsewhere in the men's singles, Stefanos Tsitsipas and Daniil Medvedev both advanced to the second round.
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