Top-ranked Novak Djokovic and No. 3 Roger Federer each needed three sets to reach the quarterfinals of the ATP/WTA Masters event at Indian Wells in California Wednesday night.
Second-ranked Rafael Nadal beat Alexandr Dolgopolov of Ukraine 6-3, 6-2 to set up a quarterfinal against David
Nalbandian, who upset sixth-seeded Jo-Wilfried Tsonga in three sets.
Two time defending champion Djokovic beat Pablo Andujar 6-0, 6-7 6-2.
Federer got by Thomaz Bellucci of Brazil, 3-6, 6-3, 6-4.
On the ladies side: No. 1 Victoria Azarenka improved to 21-0 on the season as she routed fifth-seeded Agnieszka Radwanska 6-0, 6-2 in just over an hour to tie Serena Williams' 2003 record of 21-0 to start a s
