(Reuters) - Spanish world number four Garbine Muguruza has withdrawn from this week's Hong Kong Open due to a lingering ankle injury, organisers said on Monday.
Muguruza, who turned 22 last week, claimed the biggest title of her fledgling career by beating Switzerland's Timea Bacsinszky 7-5 6-4 on Sunday to win the China Open, rising to fourth in the rankings, a point behind third-placed Russian Maria Sharapova.
"Muguruza suffered a left ankle injury while playing in the Wuhan Open at the beginning of October," Hong Kong organisers said on the tournament website (www.hktennisopen.hk).
"The Spaniard .