Injury concern for Robson
British number one Laura Robson is a doubt for the Australian Open after quitting her first match of the new season with a wrist injury.
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Robson was a set up against Yanina Wickmayer at the Hobart International went she called it a day due to the problem which had forced her to miss last week's tournament in Auckland.
The 19-year-old won the first set 6-4 but, after serving a double fault to gift her Belgian opponent an early break for 2-0 in the second, she pulled out of the match.
The Australian Open gets under way next Monday, January 13, where the British star has plenty of ranking points to defend.
She reached the third round in Melbourne 12 months ago, beating Petra Kvitova along the way.
Were she unable to play in this year's tournament, she would be sure to lose her place in the world's top 50.
Meanwhile, top seed Sam Stosur battled into round two but fourth seed Anastasia Pavlyuchenkova crashed out.
Australian Stosur was relieved after coming through three sets, including two tie-breaks, against American Madison Brengle - ranked 130 places below her at 147th in the world.
Stosur lost the first set in a tie-break but stormed through the second 6-1 to level.
She broke to lead 4-3 in the third but wasted two match points at 5-4, allowing Brengle to break back and eventually set up another tie-break.
Stosur had two more match points from 6-4 in the breaker but eventually got over the line, completing a 6-7 (4/7) 6-1 7-6 (7/5) win in two hours and 29 minutes.
"It's obviously a big relief to get through that,'' she said.
"I would have liked to have won 6-3 in the third but if it ends up being 7-6 and you go through all that extra emotion and extra few games, then I'm happy with that as well.''
Russian Pavlyuchenkova suffered a shock defeat to Alison Riske of the United States.
Riske won 6-3 6-2 in a match twice held up by rain, breaking serve in a final game that concluded with a Pavlyuchenkova double fault.
Australian Casey Dellacqua awaits in the second round after a 6-4 6-4 win against Belgian qualifier Alison Van Uytvanck.
Second seed Kirsten Flipkens produced a dominant display against New Zealand's Marina Erakovic, winning 6-4 6-1.
Klara Zakopalova beat Yvonne Meusberger 7-5 6-2, Bojana Jovanovski beat Annika Beck 7-5 6-3 and Zhang Shuai won her all-Chinese clash against former champion Zheng Jie 6-3 6-1.
There were also wins for Monica Niculescu, Kristina Mladenovic, Estrella Cabeza Candela, Garbine Muguruza and Australian wild card Olivia Rogowska.
Third seed Elena Vesnina will resume her match with Monica Puig on Tuesday, facing a break point in the third game, after a series of rain delays saw play finally abandoned for the day at almost 3.15am. Peng Shuai's match against Storm Sanders was also held over.
There was drama off court with a minor gas explosion in the tournament kitchen, though officials confirmed there were no injuries.
The incident occurred during the closing stages of Dellacqua's match, and she said: "The explosion shook me a little bit to be honest. It threw me for a few games.
"I didn't feel like we should keep playing if something had happened.''