The Former World No.1 is set to play in Brisbane and is making a comeback following a hip injury. I don't mind if it's 30 in the world level.
Murray was scheduled to play Ryan Harrison in the second round in Brisbane, having received a bye to progress through the first round.
'I felt better as it went on, ' Murray said.
'I want to enjoy playing again, ' Murray said at a press conference.
"I would love it to be number one in the world level but I just want to play". I'm just hoping I can get back to a level where I'm able to be really competitive.
His withdrawal was confirmed hours after Garbine Muguruza, the Wimbledon champion and women's top seed, retired from her opening match because of leg cramps.More news: President Trump Says He Believes Robert Mueller's Russia Investigation Will 'Be Fair'
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After his 6-7 (5-7) 7-6 (7-4) 6-4 win, the Brit will take on South Korea's Hyeon Chung.
Murray has not played competitively since losing to Sam Querrey at Wimbledon in June past year because of a hip injury.
The Brisbane International had been Muguruza's only scheduled tuneup event before the first major of the season gets under way in Melbourne on January 15.
The forthcoming clash between the players will be the first since the first round of the 2012 Australian Open, when Murray had to come from a set down to kick-start a campaign that eventually saw him reach the semi-finals. "I'm hoping that that doesn't continue happening".
Murray, a five-time Australian Open runner-up, hasn't played a competitive match since his quarterfinal exit at Wimbledon and his ranking has slipped from No. 1 to No. 16.