Nadal has been installed as favourite to win the French Open in 2017 owing to his current form on clay.
Nadal picked up his second title of 2017 at the Barcelona Open on Sunday (30 April).
Toni Nadal also spoke about the current tennis season being his last with his nephew.
Federer will return to action at Roland Garros after an eight-week break.
Anthony Joshua produces heroic display to stop Wladimir Klitschko at Wembley Stadium.
Kyrgios has beaten Djokovic twice already this season but is yet to win a title in 2017.
Nadal will look to win his second clay event in the space of a week.
Rafael Nadal is the defending champion of the Barcelona Open.
Nadal has made 4 finals in 6 tournaments thus far in 2017.
Zverev has lost in all three of his meetings against Nadal, most recently at Monte-Carlo.
Rafael Nadal won his 10th Monte Carlo Masters title on Sunday, 23 April.
Zverev has lost all three of his meetings with Nadal, including their last outing in Monte-Carlo.
Federer has recorded three consecutive wins over Nadal for the first time since their rivalry began in 2004.
Murray will begin his Barcelona campaign against Dustin Brown or Bernard Tomic on 26 April.
Nadal became the first player in the Open Era to win a single ATP event - the Monte-Carlo Masters - 10 times
Giorgio di Palermo believes Federer and Nadal have made fans love the game and will keep following it.
Nadal is looking to make history and win in Monte-Carlo for the 10th time.
Nadal is aiming for his 10th title at the ongoing Monte Carlo Masters.
Goffin handed Djokovic his fourth loss of the year on Friday (21 April).
Rusty world number one opts for Catalonia over Budapest as French Open preparations continue.
Becker also said the French Open will be 'extremely exciting' this year.
Nadal has made three finals in 2017 but is yet to win a title having lost two finals to Federer.