Australian Open doubles champion Thanasi Kokkinakis won a decisive singles rubber to power 28-time winners Australia through to the next stage of the Davis Cup Saturday where they were joined by fellow multiple champions Spain, France and the United States.
Lleyton Hewitt's Australians went into day two tied 1-1 with Hungary and were fighting an uphill battle after Fabian Marozsan and Mate Valkusz upset John Peers and Luke Saville to clinch the doubles 6-4, 6-4, AFP said.
