Who is the best tennis player of all time?
Using information from the International Tennis Hall of Fame website, we take a look at the best players over the years, based on Grand Slam singles victories.
10. Rafael Nadal
The Spaniard won his first US Open singles title in 2010 and 13th overall Grand Slam title at the 2013 US Open. He is the youngest player to capture a career Grand Slam (at least one singles championship each at the Australian and French Opens, Wimbledon, and the US Open). Nadal is an eight-time champion of the French Open and Olympic gold medalist.
[Editor's note: Nadal's Grand Slam championship totals have been updated since this list article was originally published.]