Daniil Medvedev has won the ATP Tour Finals after defeating Dominic Thiem in a superb 4-6, 7-6 (2), 6-4 comeback win in London. The 24-year-old Russian called it the ‘best victory’ of his life to crown a superb tournament run that saw him see off Novak Djokovic and Rafa Nadel on the path to victory. ‘We proved that we can play with the legends’ said runner up and world No 3 Dominic Thiem. ‘In five years, we will be the favourites for all the big titles’