FILE PHOTO: Argentinia's David Nalbandian, retired professional tennis player, is interviewed ahead of The Youth Olympic Games, in Buenos Aires, Argentina, October 5, 2018. Lukas Schulze for OIS/IOC/Handout via REUTERS
(Reuters) - Former Wimbledon finalist David Nalbandian said the younger players on the men's ATP Tour must start believing in themselves if they are to close the gap on Roger Federer, Rafa Nadal and Novak Djokovic.
Russian Daniil Medvedev looked closest to ending the Grand Slam hegemony of the 'Big Three' when he cantered into the Australian Open final on a 20-match winning streak that included 12 straight wins over top-10 opponents.
