The Kudermetova-Mertens pair came back from 7-2 down in the match-tiebreak to defeat the duo of Barbora Krejcikova and Katerina Siniakova 6-2, 4-6, [11-9].
Playing just their third tournament together as a team, Zhang and Mertens needed one hour and 42 minutes to successfully fend off a comeback by the Americans 6-2, 3-6, 6-3.
Melbourne [Australia], January 22 (ANI): Simona Halep on Saturday thrashed Montenegrin Danka Kovinic to roll into the second week of the Australian Open for the fifth straight year.