MUTUA MADRID OPEN
Williams out of Madrid Open
The women's world number one has opted to withdraw from the tournament in the Spanish capital, it was confirmed on Friday.
Update:
Women's world number one Serena Williams has withdrawn from the Madrid Open because of flu, the tournament's organisers said on Friday.
"Unfortunately, I have to withdraw from Madrid because I've been battling the flu and I'm not at 100 percent. I look forward to returning soon," Williams said in a statement.
Agnieszka Radwanska is now the top seed at the event.