LONDON (Reuters) - As tennis's elite ply their trade at the U.S. Open, a few may be casting envious glances at Dutch Paralympian Esther Vergeer who notched a 466th consecutive victory in the first round of the wheelchair competition at the London Games on Saturday.

The Dutch athlete has not lost a singles match since 2003, has won 42 singles and doubles grand slam titles and began the defence of the gold medal she won in Beijing four years ago with a 6-0 6-0 victory against Japan's Kanako Domori.

MADRID (Reuters) - Spanish athletics needs to take a long, hard look at itself after failing to win a single medal at the Olympic Games, secretary of state for sport Miguel Cardenal said on Monday.

Cardenal said he was generally satisfied with Spain's tally of 17 medals in London - three gold, 10 silver and four bronze - which was one less than in Beijing four years ago.

MONTREAL (Reuters) - Petra Kvitova and Li Na won their maiden major titles last season and the pair battled back from one-set deficits on Sunday to stay on course for a first tournament victory of the season at the Montreal Cup.

The 2011 Wimbledon champion Kvitova rallied to defeat former world number one Caroline Wozniacki 3-6 6-2 6-3 after Li had recovered from a 5-1 deficit in the deciding set to record a 3-6 6-3 7-5 victory over Lucie Safarova in the first semi-final.

By Avril Ormsby

LONDON (Reuters) - Chris Hoy's tears of joy represented a defining moment of London 2012, International Olympic Committee (IOC) president Jacques Rogge said on Sunday.

By Kylie MacLellan

LONDON (Reuters) - Twenty-four years after it was reintroduced to the Games, Olympic tennis may well have peaked.

By Frank Pingue

TORONTO (Reuters) - Not even Novak Djokovic's attempt at drying off centre court could salvage play at the rain-hit Toronto Masters on Thursday as singles play was washed out, while Andy Murray became the latest big name to withdraw.

MONTREAL (Reuters) - Ana Ivanovic had a humbling start to her North American hard court campaign as the former world number one failed to win a game in her opening match at the Montreal Cup on Thursday.

The former French Open winner said her 6-0 6-0 second-round loss to Italian Roberta Vinci in 44 minutes was the worst match of her senior career.

By Paul Casciato

LONDON (Reuters) - Trampolinists whistle, tennis players grunt and Chinese women's superheavyweight weightlifting champion Zhou Lulu screams "Fung shong!"

MONTREAL (Reuters) - Victoria Azarenka will play her first match since the London Olympics on Thursday at the Montreal Cup with only one threat to her status as the world's top female player left in the draw.

Both Maria Sharapova and Agnieszka Radwanska came to Canada with a chance at uprooting Belarusian Azarenka, who will play Austrian Tamira Paszek in her opening match, from her perch atop the world rankings.

By Frank Pingue

TORONTO (Reuters) - Andy Murray battled some leg pain but showed no signs of Olympic hangover as the gold medallist moved into the last 16 of the Toronto Masters while a fatigued Juan Martin del Potro was one of three seeds ousted Wednesday.

(Reuters) - World number two Maria Sharapova has withdrawn from the Montreal Cup because of a bad stomach virus that has been bothering the Olympic silver medallist since the London Games, Tennis Canada said on Wednesday.

The third-seeded Russian, who was demolished 6-0 6-1 by Serena Williams in the gold medal match of the London Olympics on Saturday, is set to return home on Wednesday.

LONDON (Reuters) - Age will be no barrier to another shot at Olympic tennis gold in four years time, London men's doubles champions Bob and Mike Bryan said on Monday.

The 34-year-old American twins, the world's best doubles pair for most of the last decade, beat Frenchmen Jo-Wilfried Tsonga and Michael Llodra on Saturday to complete the so-called "golden slam" having already won 11 tennis majors together.

By Martyn Herman

LONDON (Reuters) - Andy Murray's transformation from moody teenager to national golden boy is complete, according to his mother Judy.

By Kate Kelland

LONDON (Reuters) - The tale of British tennis player Andy Murray's Wimbledon despair turning to Olympic joy shows the sheer power of the psychological advantage that a supportive home crowd and a gold medal-winning streak by your national team can give.

By Martyn Herman

LONDON (Reuters) - Belarussian mixed doubles duo Victoria Azarenka and Max Mirnyi silenced the Centre Court crowd at Wimbledon on Sunday when they beat men's champion Andy Murray and partner Laura Robson to win the first Olympic mixed doubles medal tournament since 1924.

By Martyn Herman

LONDON (Reuters) - For Britain's Andy Murray every cloud has a golden lining.

By Kylie MacLellan

LONDON (Reuters) - Juan Martin del Potro overcame his marathon semi-final defeat to win bronze in the Olympic tennis men's singles on Sunday, Argentina's first medal of the Games.

By Kate Kelland

LONDON (Reuters) - The tale of British tennis player Andrew Murray's Wimbledon despair turning to Olympic joy shows the sheer power of the psychological advantage that a supportive home crowd and a gold medal-winning streak by your national team can give.

LONDON (Reuters) - Britain's hopes of two gold medals on the final day of the Olympic tennis tournament were ended by Belarusian mixed doubles duo Victoria Azarenka and Max Mirnyi on Sunday.

Andy Murray had already claimed the men's singles gold by beating Roger Federer but fell just short of a magnificent double as he and partner Laura Robson lost 3-6 6-3 10-8.

By Kylie MacLellan

LONDON (Reuters) - Serena and Venus Williams retained their Olympic tennis women's doubles gold with a 6-4 6-4 win over Czech duo Andrea Hlavackova and Lucie Hradecka on Sunday, becoming the first tennis players ever to win four golds each.

By Martyn Herman

LONDON (Reuters) - For Britain's Andy Murray every cloud has a golden lining.

By Kylie MacLellan

LONDON (Reuters) - Roger Federer missed out on bagging an elusive Olympic tennis singles gold to complete his vast trophy collection, but the 17-times grand slam champion doesn't want any sympathy.