Rafael Nadal becomes oldest man to secure year-end world number ranking Rafael Nadal Secured The Year-end World Number One Ranking With A 7-5, 6-3 Second-round Victory Over South Korean Hyeon Chung At The Paris Masters On Wednesday. News Nation Bureau | Edited By : Gautam Lalotra | Updated on: 02 Nov 2017, 11:32:44 AM New Delhi: Rafael Nadal secured the year-end world number one ranking with a 7-5, 6-3 second-round victory over South Korean Hyeon Chung at the Paris Masters on Wednesday. The 16-time Grand Slam champion is the oldest man to finish a season at the top of the rankings at the age of 31, after a year that saw him win the French and US Opens. It is the fourth time the Spaniard has achieved the feat after 2008, 2010 and 2013.