Kostyuk bests Pavlyuchenkova to make first career WTA 1000 quarterfinal
No.31 seed Marta Kostyuk swept into the BNP Paribas Open quarterfinals with a 6-4, 6-1 victory over No.22 seed Anastasia Pavlyuchenkova on Tuesday. Kostyuk took 78 minutes to collect her second straight win over Pavlyuchenkova this year.