Current world number two Novak Djokovic won Shanghai Masters beating Juan Martin del Potro 6-1, 3-6, 7-6 (3) on Sunday.
Defending champion Djokovic took two and a half hour to complete the match over former US Open champion Juan Martin del Potro.
Last week he won the China Open beating current number one Rafael Nadal to whom he had surrendered his top ranking.
Tags: ATP ranking Juan Martin del Potro Novak Djokovic Rafael Nadal Shanghai Masters