Australia have taken an unbeatable 3-0 lead over Taiwan in their Davis Cup Asia-Oceania zone tie in Kaohsiung.

Lleyton Hewitt and Chris Guccione combined on Saturday to win the doubles rubber in straight sets to clinch the tie.

They took their Cup record to 8-0 when they overcame the Taiwanese pair of Hsien Yin Peng and Hsin-Han Lee 7-6 (8-6) 6-4 6-2.

Australia took a 2-0 lead into the second day after singles wins by Hewitt and Matthew Ebden.

Ebden and Marinko Matosevic will line up in the reverse singles on Sunday.