Janko Tipsarevic of Serbia returns the ball to Juan Monaco of Argentina during their match at the Paris Tennis Masters tournament, Thursday, Nov.1, 2012. (AP Photo / Christophe Ena)

 

              Janko Tipsarevic of Serbia returns the ball to Juan Monaco of Argentina during their match at the Paris Tennis Masters tournament, Thursday, Nov.1, 2012. (AP Photo / Christophe Ena)
Janko Tipsarevic of Serbia returns the ball to Juan Monaco of Argentina during their match at the Paris Tennis Masters tournament, Thursday, Nov.1, 2012. (AP Photo / Christophe Ena)