The first two days of the 2018 ATP Finals has brought mixed fortunes for the two key titles contenders. Roger Federer started his campaign with a lackluster performance that saw him lose in straight sets to Kei Nishikori. Meanwhile, top seed Novak Djokovic was significantly more convincing in his triumph over John Isner.
Ubitennis founder Ubaldo Scanagatta looks back on the first two days of the competition and previews Tuesday’s action.
