• How good is Rafael Nadal on clay? Roger Federer and Novak Djokovic are tied for second with .762 winning percentages on the surface. Nadal's is a staggering .928. The Spaniard is 231-18 lifetime on his preferred court.
• A little more perspective: Roger Federer's lifetime record on grass is 102-15 (.872).
• Spaniards and Argentinians are dominant on clay, combining for seven of the top 10 positions.
• The player with the best record in deciding sets? You guessed it: Kei Nishikori. The Japanese youngster is ahead of Novak Djokovic, Rafael Nadal and Andy Murray on the list. Roger Federer checks in at No. 8, just behind Ivan Dodig.
• Which player who's never been in the top 10 has the best record against top 10 opponents? Florian Mayer (career high: No. 18) is 9- 29 (.327) overall in such matches, a higher percentage than Andy Roddick, David Ferrer, John Isner, Juan Martin Del Potro and Mardy Fish, among others.
• With little sample size, youngsters are atop the current tiebreaker leaderboard. Bernard Tomic and Milos Raonic are Nos. 1 and 2, respectively, with Federer coming in third. Djokovic is only .500 in breakers over the past 52 weeks, which is odd, considering his lifetime mark is .636. As he's played better, he's worse in tiebreakers? John Isner, not surprisingly, is also near the top. The American is No. 6.
• The best closer on tour is Djokovic. He wins 95 percent of his matches when he takes the first set, just better than Nadal's 94.8 percent.
• The best come from behind player: Nadal. Rafa wins an amazing 41 percent of his matches when dropping the first set. Federer is close behind, winning 40 percent. Stan Wawrinka is a notable fighter, according to the stats. His overall winning percentage in matches ranks 28th overall. He's No. 9 in "come from behind" stats.
• Other stats, like winning percentages in Grand Slams and Masters 1000 events, are predictable. So is fifth-set record, with one notable exception. Throwing out players with a small sample size, Nadal, Djokovic, Andy Murray, Feliciano Lopez and David Ferrer are on top of the list. Federer is staggeringly low: His 18-16 lifetime mark is worse than Jurgen Melzer and Mikhail Youzhny.
- Roger Federer
- Novak Djokovic
- Rafael Nadal