<Table> <Tr> <Td> </Td> <Td> This lead saying "greatest in tennis history" possibly contains inappropriate or misinterpreted citations that do not verify the text . Please help improve this article by checking for citation inaccuracies . (March 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This lead saying "greatest in tennis history" possibly contains inappropriate or misinterpreted citations that do not verify the text . Please help improve this article by checking for citation inaccuracies . (March 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> The Federer--Nadal rivalry is between two professional tennis players, Roger Federer of Switzerland and Rafael Nadal of Spain . They are engaged in a storied rivalry, which many consider to be the greatest in tennis history . They have played 38 times, most recently in the final of the 2017 Shanghai Masters and Nadal leads their fourteen - year - old rivalry with an overall record of 23--15 . </P> <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 Federer on clay (13--2) and outdoor hard courts (8 - 6), but with Federer having edge on both indoor hard courts (5 - 1) and grass (2--1). Nadal has won 6 out of their 9 head - to - head Grand Slam matches; He leads 5--0 at the French Open and 3 - 1 at Australian open, while Federer leads 2--1 at Wimbledon . The two have yet to meet at the U.S. Open . </P>

When was the last time federer played nadal