ATP Tour

Kyrgios has been offered a probation period of six months, within which he must improve his behaviour

Murray came back from a hip surgery in January and has slowly been getting back into competition

Juan Martin del Potro beat Federer and Nadal on the way to his first and only Grand Slam title at the 2009 US Open.

Federer, Nadal and Djokovic have dominated the men's singles game for over a decade winning 33 of the last 41 Grand Slams.

Federer is currently unbeaten in 2018 having first won the Australian Open and then followed it up with the title at the Rotterdam Open.

Roger Federer has previously tipped Alexander Zverev and Nick Kyrgios as potential future Grand Slam winners.

Roger Federer is currently on a break and will return to action at the Indian Wells Masters beginning 8 March.

Roger Federer won his 20th men's singles Grand Slam title at the 2018 Australian Open.

Roger Federer, Rafael Nadal and Novak Djokovic have won a combined 48 Grand Slams.

Roger Federer and Caroline Wozniacki already lead the list of top tennis prize money earners in 2018.

Roger Federer currently has 97 men's singles titles, which include 20 Grand Slams. He is second on the list behind Jimmy Connors, who has 109.

Roger Federer and Rafael Nadal have played each other 38 times during their ongoing 14-year rivalry that started at the 2004 Miami Open.

Boris Becker is awaiting the return of Andy Murray, who he considers one of the best players in the world when fully fit.

The rivalry between Roger Federer and Rafael Nadal will always be considered as one of tennis' greatest-ever.

Rafael Nadal's injury problems have continued as he withdrew from the Mexican Open in Acapulco, giving Roger Federer a boost in the ATP tennis rankings.

Roger Federer is currently on a break after skipping the Dubai Tennis Championships. He will next return at the Indian Wells Masters beginning 8 March.

Federer had to miss the second half of the 2016 season due to a knee injury, but has returned to take over the top ranking in men's singles.

Ljubicic joined Federer's coaching team at the start of the 2016 season and since his arrival the Swiss ace has won nine titles including three majors.

Roger Federer has decided to skip the Dubai Tennis Championships starting on 26 February and will next return to action at the Indian Wells Masters.

Roger Federer currently has 97 singles titles and is second on the all-time list behind Jimmy Connors, who has 109 titles.

Roger Federer was officially crowned the oldest world number one on 19 February, it was the first time he returned to the top of the rankings since 2012.

Roger Federer becane the oldest world number one in ATP history following his win over Robin Haase at the Rotterdam Open.

Roger Federer went over four years without a major title between his win at the 2012 Wimbledon Championships and the 2017 Australian Open title.

Federer skipped the entire clay court swing of the season in 2017 including the French Open, but indicated that he will play a limited schedule this season.

Novak Djokovic's father revealed that he expects his son to return to action at the Madrid Masters in May.

Roger Federer dropped just one set on course to the Rotterdam Open title and it was in the quarter-finals against Robin Haase.

Roger Federer and Grigor Dimitrov could face each other for the seventh time if they win their respective semi-final clashes at the 2018 Rotterdam Open.

Roger Federer defeated Robin Haase in the quarter-finals of the Rotterdam Open to become the oldest world number one.

Roger Federer will become the world number one if he beats Robin Haase in the quarter-finals of the Rotterdam Open on Friday (16 February).

Roger Federer, Rafael Nadal and Novak Djokovic have dominated the men's game for more than a decade.