Mertens set for two finals in one day

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It means Mertens will be playing in two finals on Monday (AEST), as she pairs up with Kudermetova again in the doubles showdown against Nao Hibino and Makoto Ninomiya.

Mertens's win ended Charleston champion Kudermetova's nine-match winning streak, and sets up a final against the unseeded Sorana Cirstea, who defeated Marta Kostyuk 6-4 6-4.