<P> Of their 38 matches, 20 have been on hard court, 15 have been on clay, and three have been on grass . The results of their matches are somewhat polarized by playing surface, with Nadal leading on clay (13--2) and Federer having the edge on both hard courts (11--9) and grass (2--1). </P> <P> Of their 12 meetings in majors, 9 have been in finals . Nadal has won 6 of these 9 matches; he leads 4--0 at the French Open, while Federer leads 2--1 at Wimbledon and they remain tied 1--1 at the Australian Open . The two have yet to meet at any stage of the US Open . </P> <P> Federer with 20 total major titles, and Nadal with 16, are first and second on the all - time list for the most majors titles, and hold numerous other records between them . Together they have won 11 consecutive Grand Slam tournaments from the 2005 French Open to the 2007 US Open and another 5 consecutive Grand Slam tournaments from the 2017 Australian Open to the 2018 Australian Open . They are the only pair of men to have finished six consecutive calendar years as the top two ranked players on the ATP Tour, which they did from 2005 to 2010 and seven times overall including 2017 . This included a record 211 consecutive weeks sharing the top two rankings from July 2005 to August 2009 . </P> <P> As tournament seedings are based on rankings, with the top two seeds placed on opposite sides of the draw, 24 of Nadal and Federer's 38 matches have been in tournament finals, including an all - time record nine Grand Slam finals and 12 ATP World Tour Masters 1000 finals . Another nine have been semifinals, two have been quarterfinals, with only three taking place before the last - 8 stage . In 31 out of 38 matches between Nadal and Federer, the winner of the first set won the match . The 2007 Wimbledon final, 2008 Wimbledon final, 2009 Australian Open final and 2017 Australian Open final are classified as the greatest and most notable matches in their rivalry, with each match going to five sets . </P>

Who has won more titles federer or nadal