Nadal, Federer rejoin in battle for supremacy

One of sport’s great and enduring rivalries resumes with the battle for supremacy between Rafael Nadal and Roger Federer dominating the new tennis season.

The 2011 campaign got underway this week in Australia, India, Qatar and NewZealand with the first Grand Slam of the season starting in Melbourne on January 17.

Nadal is unchallengeable at the top of the ATP rankings, some 3,305 points clear of Federer, after a superb2010 season when he took the world number one spot and the FrenchOpen and Wimbledon titles from the Swiss star.

By picking up his first USOpen titlealong the way Nadal achieved a career grandslam of winning all the majors by the age of 24.

The Spaniard goes into the new year having won nine major titles and trailing Federer’s all-time record of 16.