Azarenka withdraws from Doha
World number two Victoria Azarenka will not defend her title in Doha next week due to a left foot injury.
The Belarusian announced on Thursday that she would not play in the Qatar Total Open, an event she has won in each of the past two years.
Azarenka said: "I am sorry I can't make it to Doha for the Qatar Total Open, but unfortunately I haven't been able to recover on time from my ongoing foot injury.
"I am thankful to all my fans in Doha and I look forward to coming back next year."
Serena Williams is due to head the field at the tournament which gets under way on Monday.