Wednesday, 11 December 2019

Switzerland's Roger Federer celebrates after winning his quarter final match against Japan's Kei Nishikori in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Federer chalked up another monumental milestone to reach the Wimbledon semi-finals on Wednesday, recovering to beat Japan's Kei Nishikori in four sets and become the first man to record a century of singles wins at any Grand Slam. REUTERS/Tony O'Brien

Switzerland's Roger Federer in action during his quarter final match against Japan's Kei Nishikori in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Federer, who won 4-6 6-1 6-4 6-4 and now faces Rafa Nadal in a mouthwatering contest, was so poor in the first set that the eighth-seeded Nishikori may have felt the 37-year-old Swiss's advancing years had finally caught up with him. REUTERS/Tony O'Brien

Switzerland's Roger Federer in action during his quarter final match against Japan's Kei Nishikori in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Yet the remainder of the match had just enough flourishes of pure brilliance from the eight times champion and number two seed to make it a worthy occasion for the Swiss to become the sole male member of the Grand Slam 100 club. REUTERS/Toby Melville

Switzerland's Roger Federer during his quarter final match against Japan's Kei Nishikori in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Federer chalked up another monumental milestone to reach the Wimbledon semi-finals on Wednesday, recovering to beat Japan's Kei Nishikori in four sets and become the first man to record a century of singles wins at any Grand Slam. REUTERS/Toby Melville

Switzerland's Roger Federer in action during his quarter final match against Japan's Kei Nishikori in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Federer, who won 4-6 6-1 6-4 6-4 and now faces Rafa Nadal in a mouthwatering contest, was so poor in the first set that the eighth-seeded Nishikori may have felt the 37-year-old Swiss's advancing years had finally caught up with him. REUTERS/Tony O'Brien

Switzerland's Roger Federer with Japan's Kei Nishikori after winning their quarter final match in Wimbledon Tennis Tournament at All England Lawn Tennis and Croquet Club, London, Britain, July 10, 2019. Yet the remainder of the match had just enough flourishes of pure brilliance from the eight times champion and number two seed to make it a worthy occasion for the Swiss to become the sole male member of the Grand Slam 100 club. REUTERS/Tony O'Brien