The top seeded Indo-Swiss pair beat unseeded German-Romanian duo of Anna-Lena Friedsam and Monica Niculescu 6-2 6-3 in the quarter-finals in just an hour and five minutes at the Guangzhou International Tennis Center.
Sania and Martina, who recently won the US Open doubles title, will take on Israeli-Swedish combination of Julia Glushko and Rebecca Peterson in the semifinals of the USD 226,750 hard court event tomorrow.