Novak Djokovic and Nadal have met 55 times (more than any other pair in the Open Era) and Nadal leads 9–6 at the Grand Slams and trails 26–29 overall.
Nadal leads on clay 17–7, while Djokovic leads on hard courts 20–7, and they are tied on grass 2–2.
In 2009, this rivalry was listed as the third greatest of the previous 10 years by ATPworldtour.com.
Djokovic is one of only two players to have at least ten match wins against Nadal (the other being Federer) and the only person to defeat Nadal seven consecutive times, and two times consecutively on clay.
The two earlier shared the record for the longest match played in a best of three sets (4 hours and 3 minutes) at the 2009 Mutua Madrid Open semifinals until the match between Roger Federer and Juan Martín del Potro in the London 2012 Olympics Semifinal, which lasted 4 hours and 26 minutes.
They have also played in a record 13 Masters Series finals.

In the 2011 Wimbledon final, Djokovic won in four sets for his first Grand Slam final victory over Nadal.
Djokovic also defeated Nadal in the 2011 US Open Final.
In 2012, Djokovic defeated Nadal in the Australian Open final for a third consecutive Grand Slam final win over Nadal.
This is the longest Grand Slam tournament final in Open era history at 5 hours, 53 minutes.
Nadal won their last three 2012 meetings in the final of the Monte Carlo Masters, Rome Masters and French Open in April, May, and June 2012, respectively.
In 2013, Djokovic defeated Nadal in straight sets in the final at Monte Carlo, ending Nadal's record eight consecutive titles there, but Nadal got revenge at the French Open in an epic five-setter 9–7 in the fifth.
In August 2013, Nadal won in Montreal, denying Djokovic his fourth Rogers Cup title.
Nadal also defeated Djokovic in the 2013 US Open Final.

Nadal defeated Djokovic in the 2014 French Open final.
Since the 2014 French Open Final, Djokovic has won seven consecutive meetings including a win in straight sets in the quarterfinals of the 2015 French Open which ended Nadal's 39-match win streak at Stade Roland Garros and an opportunity for a sixth consecutive title, with Djokovic becoming only the second player after Robin Söderling to defeat Nadal at the event.
Nadal easily defeated Djokovic in the 2017 Madrid Open semifinals (6–2, 6–4), his first victory against the Serb since the 2014 French Open.
When they next met Nadal beat Djokovic again, this time on clay in the 2018 Rome semifinals.
They then met in the 2018 Wimbledon semifinals, where Djokovic finally emerged victorious after a battle lasting over five hours that was spread over two days and went to 10–8 in the fifth set.
Then in the 2019 Australian Open final, Djokovic easily won in straight sets, marking Nadal's first straight-sets loss in a Grand Slam final.
But in the 2019 Rome Masters final, it was Nadal who defeated the Serbian in three sets, and also the very first time in which either of them (Nadal) got a 6–0 win in a set.
Novak Djokovic and Nadal have met 55 times (more than any other pair in the Open Era) and Nadal leads 9–6 at the Grand Slams and trails 26–29 overall. Nadal leads on clay 17–7, while Djokovic leads on hard courts 20–7, and they are tied on grass 2–2. In 2009, this rivalry was listed as the third greatest of the previous 10 years by ATPworldtour.com. Djokovic is one of only two players to have at least ten match wins against Nadal (the other being Federer) and the only person to defeat Nadal seven consecutive times, and two times consecutively on clay. The two earlier shared the record for the longest match played in a best of three sets (4 hours and 3 minutes) at the 2009 Mutua Madrid Open semifinals until the match between Roger Federer and Juan Martín del Potro in the London 2012 Olympics Semifinal, which lasted 4 hours and 26 minutes. They have also played in a record 13 Masters Series finals.
In the 2011 Wimbledon final, Djokovic won in four sets for his first Grand Slam final victory over Nadal. Djokovic also defeated Nadal in the 2011 US Open Final. In 2012, Djokovic defeated Nadal in the Australian Open final for a third consecutive Grand Slam final win over Nadal. This is the longest Grand Slam tournament final in Open era history at 5 hours, 53 minutes. Nadal won their last three 2012 meetings in the final of the Monte Carlo Masters, Rome Masters and French Open in April, May, and June 2012, respectively. In 2013, Djokovic defeated Nadal in straight sets in the final at Monte Carlo, ending Nadal's record eight consecutive titles there, but Nadal got revenge at the French Open in an epic five-setter 9–7 in the fifth. In August 2013, Nadal won in Montreal, denying Djokovic his fourth Rogers Cup title. Nadal also defeated Djokovic in the 2013 US Open Final.
Nadal defeated Djokovic in the 2014 French Open final. Since the 2014 French Open Final, Djokovic has won seven consecutive meetings including a win in straight sets in the quarterfinals of the 2015 French Open which ended Nadal's 39-match win streak at Stade Roland Garros and an opportunity for a sixth consecutive title, with Djokovic becoming only the second player after Robin Söderling to defeat Nadal at the event. Nadal easily defeated Djokovic in the 2017 Madrid Open semifinals (6–2, 6–4), his first victory against the Serb since the 2014 French Open. When they next met Nadal beat Djokovic again, this time on clay in the 2018 Rome semifinals. They then met in the 2018 Wimbledon semifinals, where Djokovic finally emerged victorious after a battle lasting over five hours that was spread over two days and went to 10–8 in the fifth set. Then in the 2019 Australian Open final, Djokovic easily won in straight sets, marking Nadal's first straight-sets loss in a Grand Slam final. But in the 2019 Rome Masters final, it was Nadal who defeated the Serbian in three sets, and also the very first time in which either of them (Nadal) got a 6–0 win in a set.
Rafael Nadal