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Farrukh Dustov and Istomin played against Australia’s Lleyton Hewitt and Matthew Ebden and lost the match in five sets - 5:7, 7:6(4), 4:6, 6:3, 3:6.
After the victory, Australia took a 2-1 lead in the tie and need one more win to advance to World Group play-offs.
On Sunday, Denis Istomin will play against Bernard Tomic and Farrukh Dustov will face Marinko Matosevic.