Novak Djokovic advances at Indian Wells

Novak Djokovic advances at Indian Wells

Novak Djokovic of Serbia celebrates defeating compatriot Viktor Troicki following their match at the Indian Wells ATP tennis tournament in Indian Wells, California March 16, 2011.

Novak Djokovic of Serbia returns a backhand to compatriot Viktor Troicki during their match at the Indian Wells ATP tennis tournament in Indian Wells, California March 16, 2011.

Novak Djokovic of Serbia hits an overhead against compatriot Viktor Troicki during their match at the Indian Wells ATP tennis tournament in Indian Wells, California, March 16, 2011.

Novak Djokovic of Serbia serves to compatriot Viktor Troicki during their match at the Indian Wells ATP tennis tournament in Indian Wells, California March 16, 2011.

(Reuters)