Fifth seeds Sania Mirza and Cara Black reached the quarterfinals of the WTA Paribas Open following a straight sets victory over Raquel Kops-Jones and Abigail Spears, here.
The Indo-Zimbabwean pair beat the unseeded American combo 6-3 6-4 in one hour and 12 minutes in the second round of the $5,946,740 hard court Premier WTA tournament.
Sania and Cara saved five of the eight break chances they faced and converted five of the nine chances they got. They won 59 points to 44 of their rivals.
The duo have not gone beyond the quarterfinals in four tournaments they have played this season. At Australian Open and Doha they reached the last-eight stage while at Sydney and Dubai they made first round exits.