Roger Federer

World number one faces Giles Muller in first match for five weeks in the principality.

Nadal has had serious knee injuries during the course of his career.

Federer has made his best start to a season since 2006, winning three of the four tournaments entered.

Federer had previously revealed that he would take a 10-week break before playing in Roland Garros.

Roger Federer has won three of the four tournaments he has played in 2017.

Federer has already won the 2017 Australian Open, where he defeated Nadal in the final.

Nadal will be among the favourites to win the 2017 Monte Carlo Masters.

Murray has returned to action after recovering from an elbow injury.

Nadal is aiming to make it 10 titles at the Monte Carlo Masters.

The 35-year-old plans to rest up ahead of the French Open.

Federer has committed to playing at his home ATP tournament in Basel at least until 2019.

Federer has risen from world number 17 to world number four in less than three months.

World number one lost 3-6, 6-7 to 18-time Grand Slam champion at Zurich's Hallenstadion.

Federer has won three titles in 2017 and lost just once in his last 20 matches.

Federer has made his best start to a season since 2006 capturing three titles thus far.

World number one targets French Open return but still unable to serve properly.

Former French Open champion discusses Federer's renaissance and Rafael Nadal's clay campaign.

With 91 career singles titles, Federer is behind Ivan Lendl (94) and Jimmy Connors (109) in the all-time list.

Djokovic has defeated Nadal in their last three meetings on clay.

Federer has beaten Nadal four times in a row for the first time in his career.

Federer and Nadal hold the record for most Grand Slam finals played between two players - nine.

Federer, Nadal and Djokovic have won 44 Grand Slam titles among them in the last 15 years.

Nadal is favourite to retain his titles in the upcoming Monte Carlo Masters and Barcelona Open.

John Isner and a celebrity partner will provide opposition for duo at April's Match for Africa 4 event.

Federer "would not stand a chance" against 2016 version of Djokovic, says Janko Tipsarevic.

Federer won the Miami Open after defeating Rafael Nadal in straight sets in the final.

Dzumhur says Kyrgios has a big career ahead of him.

Nadal has contested in three finals in 2017 and is yet to win a title.

Federer won his third title of the 2017 season in Miami to add to his Australian Open and Indian Wells wins.

Federer and Nadal are facing each other for the third time in 2017.