Ivanovic advances at Indian Wells Tennis

WELSS: Defending champion Ana Ivanovic beat Argentina''s Gisela Dulko 6-3 6-3 to reach the fourth round of the WTA event in Indian Wells.

The Serbian fifth seed was not totally convincing but did enough to set up a clash with Italian 12th seed Flavia Pennetta.

Pennetta beat American qualifier Angela Haynes 4-6 6-4 6-1 while seventh seed Agnieszka Radwanska of Poland and Hungary''s 22nd seed Agnes Szavay also advanced to the last 16.