MASON, Ohio (AP) — Serena Williams rallied to advance to the Western & Southern Open final, beating Caroline Wozniacki 2-6, 6-2, 6-4 on Saturday.
The top-ranked Williams lost a set for the first time in the tournament and committed 41 unforced errors, 20 more than Wozniacki.
Williams will face ninth-seeded Ana Ivanovic in the final. Ana Ivanovic beat fifth-seeded Maria Sharapova 6-2, 5-7, 7-5 in a night match.
In the first men's semifinal, sixth-seeded David Ferrer beat Julien Benneteau 6-3, 6-2. Second-seeded Roger Federer faced fifth-seeded Milos Raonic in the other semifinal.