Novak Djokovic and Roger Federer were drawn in the same group for this month's year-ending ATP Finals in London while new world number one Rafa Nadal was drawn with defending champion Alexander Zverev in the tournament's draw on Tuesday.
While, twice champion Roger Federer overcame David Goffin 7-6(7) 6-4 to reach the Shanghai Masters quarter-finals, Novak Djokovic produced a majestic display in a 7-5 6-3 victory over American John Isner.
Wimbledon 2017 is all set to commence from July 3. Where Andy Murray is the defending champion, Roger Federer, Novak Djokovic, Rafael Nadal are strong contenders. Federer and Djokovic have won thrice in the last 10 editions.