MOSCOW, April 21 Serb Novak Djokovic, world No. 1 beat compatriot Miomir Kecmanovic in the quarterfinal match of the tennis tournament in Belgrade, the prize fund of which exceeds 530 thousand euros. Kecmanovic is ranked 38th in the Association of Tennis Professionals (ATP) rankings. Tennis players spent 2 hours and 18 minutes on the court.
