Ana Ivanovic will clash with Serena Williams in the Women Singles final of the WTA Tour's Cincinnati Tennis event today. The former world number one Serbian player yesterday defeated French Open champion Maria Sharapova 6-2, 5-7, 7-5 to reach the final of the tournament. Ivanovic will face off for the title, at the last major tune-up prior to the US Open, when she plays Serena today. The American top seed Serena moved within one win of a second pre-Open hard court title as she beat Caroline Wozniacki 2-6, 6-2, 6-4. In Men's Singles section of the event, Roger Federer will face Spaniard David Ferrer in the title clash today. The world no. 3 Swiss player Federer secured his berth in the final after a comfortable 6-2, 6-3 win against Canadian Milos Raonic yesterday.