A look at how Roger Federer can overtake Rafael Nadal in the ATP tennis rankings and end the year as the new world number one.
Federer congratulated his long time rival on the first anniversary of the Rafael Nadal Tennis Academy that opened in Mallorca last year.
Toni Nadal believes Rafael Nadal can challenge Roger Federer's status as the best player of all time if he keeps winning Grand Slams.
Roger Federer wants to ensure that he remains fit to challenge for all the major titles in order to stop Nadal overtaking him, says Rusedski.
Novak Djokovic is looking forward to getting back to winning ways when he makes his comeback from injury in 2018.
Nadal will not play in the Swiss Indoors after picking up a knee injury handing Federer a chance to lessen the points deficit their race for the year-end number one ranking.
Roger Federer is wary of Juan Martin del Potro and Stan Wawrinka, says former Great Britain tennis star Greg Rusedski.
Rafael Nadal succumbed tamely to Roger Federer at the Shanghai Masters after dominating the field to make the finals.
Roger Federer still has a chance to finish the year as the world number one after beating Nadal in the final of the Shanghai Masters.
Former British number one Greg Rusedski believes had Roger Federer not been injured in Montreal, he would probably be leading the race for world number one over Rafael Nadal.
Federer is now the only man who can prevent Nadal from finishing the year as the world's number one on the ATP rankings.
Rafael Nadal and Roger Federer will face each other for the fourth time this calendar year as they meet in the final of the Shanghai Masters on Sunday (15 October).
Federer and Nadal booked their places in the semi-finals of the Shanghai Masters with wins over Richard Gasquet and Grigor Dimitrov respectively.
Ex-coach Mark Petchey says the competition from Andy Murray, Novak Djokovic and Stan Wawrinka has made Rafael Nadal and Roger Federer even better players.
Federer is fresher than the other players going into the final weeks of the 2017 season after taking a nine-week mid-season break.
Former French Open champion Yannick Noah believes the future stars of tennis will be hoping for Roger Federer and Rafael Nadal to retire so that they can start to win more titles.
Roger Federer is 2360 points behind Rafael Nadal in their fight for the year-end number one ranking with four tournaments left to play.
Roger Federer admits that getting to 100 ATP titles will be special, but is mainly focusing on remaining healthy for the rest of the campaign.
Roger Federer has refused to rule out playing at the 2020 Tokyo Olympic Games ending any talk about potentially retiring in the near future.
Annabel Croft believes Rafael Nadal's decision to let his body recover has paid dividends as the world number one won his sixth title of the year after his recent China Open win.
Rafael Nadal won his sixth title of 2017 beating Nick Kyrgios in the final of the China Open and now has one more trophy than Roger Federer in 2017.
Andy Murray's ex-coach Miles Maclagan believes it will take quite a while for the next generation to emulate the success of Roger Federer, Rafael Nadal and Novak Djokovic.