Tennis-Federer, Nadal, Djokovic and the 'GOAT' debate of men's tennis

Following are some key facts and records as the trio battle for the top spot in the race to be crowned the 'Greatest of All Time'.

GRAND SLAM TITLES

Federer: 20 (Australian Open 2004, 2006, 2007, 2010, 2017, 2018; French Open 2009; Wimbledon 2003, 2004, 2005, 2006, 2007, 2009, 2012, 2017; U.S. Open 2004, 2005, 2006, 2007, 2008)

Nadal: 20 (Australian Open 2009; French Open 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2017, 2018, 2019, 2020; Wimbledon 2008, 2010; U.S. Open 2010, 2013, 2017, 2019)

Djokovic: 17 (Australian Open 2008, 2011, 2012, 2013, 2015, 2016, 2019, 2020; French Open 2016; Wimbledon 2011, 2014, 2015, 2018, 2019; U.S. Open 2011, 2015, 2018)

World number two Nadal equalled Federer's record of 20 Grand Slam titles with a 6-0 6-2 7-5 victory over Djokovic in the French Open final on Sunday.

TITLES AT EACH MAJOR EVENT

Australian Open: Djokovic (8), Federer (6), Nadal (1)

Wimbledon: Federer (8), Djokovic (5), Nadal (2)

U.S. Open: Federer (5), Nadal (4), Djokovic (3)

French Open: Nadal (13), Djokovic (1), Federer (1)

HEAD-TO-HEAD RECORD

All meetings:

Djokovic v Federer: Djokovic leads 27-23

Djokovic v Nadal: Djokovic leads 29-27

Federer v Nadal: Nadal leads 24-16

Grand Slam meetings:

Djokovic v Federer: Djokovic leads 11-6

Djokovic v Nadal: Nadal leads 10-6

Federer v Nadal: Nadal leads 10-4

Nadal, 34, has beaten Federer on his favourite turf on Wimbledon grass, but the Swiss has never defeated Nadal on the Parisian clay in six meetings. Djokovic has beaten Nadal only once in eight meetings at Roland Garros.

MOST WEEKS AS WORLD NUMBER ONE

Federer: 310

Djokovic: 290

Pete Sampras: 286

Ivan Lendl: 270

Jimmy Connors: 268

Nadal: 209

Serbian Djokovic moved ahead of Sampras in the list after winning the Italian Open last month.

Apart from leading the chart for the longest-reigning world number one at 310 weeks, Federer also holds the record for longest streak at 237 weeks.

MOST ATP TITLES WON

Connors: 109

Federer: 103

Lendl: 94

Nadal: 86

Djokovic: 81

MOST ATP MASTERS TITLES WON

Djokovic: 36

Nadal: 35

Federer: 28

Among the 'Big Three', Federer has won the most ATP titles (103) -- six shy of American Connors' record of 109.

The Swiss has also won six ATP Tour Finals, while Serbian Djokovic has won five. Spaniard Nadal has yet to win any. (Compiled by Manasi Pathak in Chennai, editing by Pritha Sarkar)