In the Australian Open, Rafael Nadal of Spain beat Roger Federer of Switzerland 7-6, 6-3, 6-3 in the semi-finals. In the summit clash on Sunday, Nadal faces another Swiss player Stanislas Wawrinka.In the women's doubles today, Sara Errani and Roberta Vinci successfully defended their Australian open title with 6-4, 3-6, 7-5 victory over Russian pair Ekaterina Makarova and Elena Vesnina.In the women's singles tomorrow, Li Na of China faces Dominca Sibulkova of Slovakia.In the men's doubles final, Eric Burotec of U.S. and Revon Klassen of South Africa face Lucas Kubot of Poland and Robert Lindsted of Sweden.