The greatest men’s tennis players of the Open Era.
1) Roger Federer, Switzerland
Majors: 20 (8 Wimbledons, 5 US Opens, 6 Australian Opens, 1 French Open)
Other achievements: 6 ATP World Tour finals, 98 ATP career titles, 2012 Olympic silver medalist, 310 total weeks ranked #1
2) Pete Sampras, USA
Majors: 14 (7 Wimbledons, 5 US Opens, 2 Australian Opens)
Other achievements: 5 ATP World Tour finals, 64 ATP career titles, 286 total weeks ranked #1
3) Rafael Nadal, Spain
Majors: 17 (2 Wimbledons, 3 US Opens, 1 Australian Open, 11 French Opens)
Other achievements: 79 ATP career titles, 2008 Olympic gold medalist, 196 total weeks ranked #1
4) Novak Djokovic, Serbia
Majors: 15 (4 Wimbledons, 3 US Opens, 7 Australian Opens, 1 French Open)
Other achievements: 5 ATP World Tour finals, 73 ATP career titles, 2008 Olympic bronze medalist, 235 total weeks ranked #1
5) Björn Borg, Sweden
Majors: 11 (5 Wimbledons, 6 French Opens)
Other achievements: 2 ATP World Tour finals, 63 ATP career titles, 109 total weeks ranked #1

Majors: 8 (1 Wimbledon, 2 US Opens, 4 Australian Opens, 1 French Open)
Other achievements: 1 ATP World Tour final, 60 ATP career titles, 1996 Olympic gold medalist, 101 total weeks ranked #1
7)

Majors: 8 (2 Wimbledons, 5 US Opens, 1 Australian Open)
Other achievements: 1 ATP World Tour final, 109 ATP career titles, 268 total weeks ranked #1

Majors: 8 (3 US Opens, 2 Australian Opens, 3 French Open)
Other achievements: 5 ATP World Tour finals, 94 ATP career titles, 270 total weeks ranked #1
9)

Majors: 7 (3 Wimbledons, 4 US Opens)
Other achievements: 3 ATP World Tour finals, 77 ATP career titles, 170 total weeks ranked #1

Majors: 6 (3 Wimbledons, 1 US Open, 2 Australian Opens)
Other achievements: 3 ATP World Tour finals, 49 ATP career titles, 12 total weeks ranked #1
Honorable Mention:
Stefan Edberg, Sweden
Majors: 6 (2 Wimbledons, 2 US Opens, 2 Australian Opens)
Other achievements: 1 ATP World Tour final, 45 ATP career titles, 1988 Olympic bronze medalist, 102 total weeks ranked #1