Roger Federer wasted little time in opening the defence of his Barclays ATP World Tour Finals crown with a 6-3 6-1 victory over Janko Tipsarevic at London’s O2 Arena.

Novak Djokovic showed he is very much the man to beat at the US Open with a stunning display to defeat Juan Martin Del Potro in straight sets in the quarter-finals.

Fourth seed David Ferrer continued his smooth progress through the draw with a straight-sets victory over Richard Gasquet to reach the US Open quarter-finals for the second time.

Venus Williams gave a bold performance on the opening day of Wimbledon but unfortunately for the American it came in the press conference room rather than on court.

Sixth seed David Ferrer proved far too good for Lukas Lacko in their first-round match at the French Open today.

World number one Novak Djokovic suffered a surprise quarter-final exit at the Mutua Madrid Open last night — and then joined Rafael Nadal in questioning the blue clay court.

World number one and defending champion Novak Djokovic survived a second-set fightback by fellow Serbian Janko Tipsarevic to reach the semi-finals of the Dubai Tennis Championships.

Novak Djokovic barely broke sweat as he overcame Nicolas Mahut for the loss of just two games at the Australian Open today.

Novak Djokovic left himself needing a favour from David Ferrer to reach the semi-finals of the Barclays ATP World Tour Finals after a 3-6 6-3 6-3 loss to fellow Serb Janko Tipsarevic in his final group match today.

Rafael Nadal knows he has his work cut out if he is to beat Jo-Wilfried Tsonga tonight and reach the semi-finals of the Barclays ATP World Tour Finals in London.

Janko Tipsarevic’s stay at the Barclays ATP World Tour Finals will be a brief one after he was beaten by Tomas Berdych in another entertaining clash at the O2 Arena.

Top seed Novak Djokovic battled past compatriot Viktor Troicki to book a quarter-final with local favourite Jo-Wilfried Tsonga at the Paris Masters this evening.

World number one Novak Djokovic was seriously tested by fellow Serb and friend Janko Tipsarevic for more than three hours before booking his spot in the semi-finals of the US Open last night.

Andy Roddick has called for players on the ATP Tour to unite in a bid to avoid the farcical scenes which have marred this year’s US Open.

Ninth seed Tomas Berdych became the 17th singles player to pull out of this year’s US Open during his third-round match against Janko Tipsarevic today.

Roger Federer served notice of the danger he could pose at the French Open this year with a stunning performance to beat 29th seed Janko Tipsarevic 6-1 6-4 6-3 in the third round this afternoon.

Roger Federer gave French wild card Maxime Teixeira a grand slam lesson in the second round of the French Open this morning.

Roger Federer finally overcame his nemesis Gilles Simon today although it took him five enthralling sets to reach the third round of the Australian Open.

Fernando Verdasco saved three match points on his way to a stunning victory over Serbia’s Janko Tipsarevic in the second round of the Australian Open today.

Former champion Andy Roddick today crashed out of the US Open after ranting at a line judge who called a foot fault against him.

World number four Andy Murray today crashed out of the Barclays Dubai Tennis Championships in the second round.

Andy Murray was given an easy ride into the French Open fourth round after opponent Janko Tipsarevic retired injured on Suzanne Lenglen court with the British number one two sets ahead.

Andy Murray will be bidding to reach the fourth round of the French Open for the first time when he takes on Serbian extrovert Janko Tipsarevic today.

TOP seed Rafael Nadal last night broke another French Open record as he stayed on course for a fifth successive title with a routine straight-sets victory over Teimuraz Gabashvili in the second round yesterday.

Amer Delic has expressed his disappointment at the skirmishes which followed his loss to defending champion Novak Djokovic in the third round at the Australian Open today.

Roger Federer will be seeking a 12th straight victory over Lleyton Hewitt when the two clash in Monday’s intriguing fourth-round clash at Wimbledon.

Andy Roddick admitted he had "choked it" after being knocked out of Wimbledon yesterday.

ANDY RODDICK admitted he had “choked it” after being knocked out of Wimbledon yesterday.

Rafael Nadal continued his campaign for a first Wimbledon title today, desperate to avoid the sort of upset which saw one of his main rivals, Novak Djokovic, make a shock early exit.

Defending champion Roger Federer survived an epic third-round encounter in the Australian Open today with a 6-7 (5/7) 7-6 (7/1) 5-7 6-1 10-8 win over Janko Tipsarevic.

Three-time Australian Open champion Roger Federer headed the list of seeded players to safely make it through to the third round on day four at Melbourne Park.

Andy Murray was looking to get his name back in the headlines for his playing ability today when taking on Radek Stepanek on the opening day of the Madrid Masters.

Defending champion Roger Federer was today handed a bye to the quarter-finals of Wimbledon when fourth-round opponent Tommy Haas was forced to pull out through injury.

Roger Federer was left distinctly unimpressed after he was forced to play the latter part of his second-round win over Thierry Ascione at the French Open in near-darkness last night.

IT was a day to forget for the United States at the French Open yesterday, with their nine-strong contingent of men’s singles players making history for the wrong reasons.

RAFAEL NADAL was one point away from losing the first set before rallying to take command of his first-round match with American Robert Kendrick to move into the second round of the Australian Open in Melbourne.