Azarenka this week

She retired in the second set against McHale, after having won the first set.

First of all her odds moved from 1.07 to 1.6 pre-match.

Her odds during the match were:

2-0 1.46
5-2 2.9
down to 1.6
takes set 6-2 odds move to 2.4
then down to 1.7
she then retired at 2-2 in the second set.

The punters say there were no indications for an injury in the first set and she was just fine.