The former world No. 1 has won only one match out of five since returning to action in March following news the Court of Arbitration for Sport had cut her suspension from four years to nine months.

World No.8 Emma Navarro, who lost in the second round at the China Open, has also taken a wild card.

Those who receive provisional suspensions for testing positive but can’t come up with the money to make an aggressive appeal to CAS are often out of luck.