Roger Federer will officially be back at the top of the rankings on Monday overcoming Rafael Nadal, who needed to defend his title at the Madrid Open to stay as the world no.
1. Nadal, however, lost in the quarter-final to Dominic Thiem on Friday.
But who have been the players who became the world no.
1 the most number of times? The American John McEnroe leads the list, he was world no. 1 on 14 different occasions. His compatriot Pete Sampras is second with 11, then Jimmy Connors completes the podium with nine. Ivan Lendl is fourth with eight times, followed by Andre Agassi and Bjorn Borg with six.
The seventh place is filled jointly by Federer and Nadal, who became the world no. 1's on five separate occasions.