Li Na beats out Caroline Wozniacki in Sony Open quarterfinals

Six-time champion Serena Williams will play five-time runner-up Maria Sharapova in the other semifinal.

Li Na became the first Chinese woman to reach the Key Biscayne semifinals in her win over Caroline Wozniacki :: Al Bello/Getty Images

Six-time champion Serena Williams will play five-time runner-up Maria Sharapova in the other semifinal.