Still , her early - summer success still propelled her to a career - high No. 5 in the WTA singles rankings and No. 4 in doubles .
The injury also forced her to withdraw from the doubles with Mattek - Sands .
Her early - summer success still propelled her to a career - high No. 5 in the WTA singles rankings and No. 4 in doubles .
The injury also forced her to withdraw from the doubles with Mattek - Sands .