Federer had been almost beaten at the beginning of the tournament. After a three-week break, Federer was forced to save five match points against Leonardo Mayer of Argentina in a second-round contest at the Qi Zhong Tennis Center.
Novak Djokovic of Serbia holds the top position of the rating. Marin Cilic of Croatia swapped places with Milos Raonic of Canada and climbed to number 8, with the latter falling to number 9.
ATP ranking as of October 13: