ATP Live Ranking: Roger Federer is 1890 points clear of Rafael Nadal

Tennis - The Spaniard has to win the title at Roland Garros in order to stay in front of the Swiss

Roger Federer seals 1,000th week in top 20 as Rafael Nadal prepares to clinch his 1,000th ATP Tour win in milestone week

Roger Federer v Stanislas Wawrinka: ATP World Tour Finals – as it happened, ATP Finals

With Roger Federer set to play his last professional tennis match at Laver Cup, throwback to when he won his first ATP points exactly 25 years ago today

Roger Federer retains title at ATP 500 Basel after defeating Rafael Nadal in the final, Tennis News

Federer Nadal Compare

2011 ATP World Tour - Wikipedia

As Roger Federer retires, an appreciation of his career

ATP Finals winner could earn biggest cheque in tennis history as event offers record prize money pot

2012 Australian Open Review by Tennis Now - Issuu

Roger Federer overtakes Rafael Nadal as world No 1 with victory over Robin Haase, Tennis, Sport

Roger Federer defeats Stan Wawrinka in five sets to keep alive prospect of Australian Open final against Rafael Nadal

Aging trends – Heavy Topspin

2012 ATP World Tour - Wikipedia