GREECE’S defending Olympic 400m hurdles champion Fania Halkia has tested positive for banned drugs.

Rafael Nadal will celebrate his rise to the top of the world on Monday as the new Olympic champion after a straight sets victory over Chilean Fernando Gonzalez in Beijing today.

Top seed Maria Sharapova admitted she only had herself to blame as she came close to becoming the first high-profile casualty in this year’s French Open.

Venus Williams insisted her bid for a first Australian Open title remained on track despite a shaky second-round win against Frenchwoman Camille Pin.

Britain’s Alex Bogdanovic advanced to the final qualifying round of the Pacific Life Open in Indian Wells with a 6-3 6-4 win over Amer Delic.

ROGER FEDERER stepped up a gear on day three of the Australian Open to sweep past Jonas Bjorkman in straight sets.

Defending champion Amelie Mauresmo and in-form Serb Jelena Jankovic stormed into the third round of the Australian Open in Melbourne after two impressive performances.

Martina Hingis rates herself as a “good outsider” to win Wimbledon as she continues her comeback.

Maria Sharapova was delighted to recover from a “sluggish” start to beat Daniela Hantuchova to reach the quarter-finals of the Australian Open at the Rod Laver Arena.

Lindsay Davenport, Justine Henin-Hardenne and Nadia Petrova all showed tremendous skill and poise to advance to the quarter-finals of the Australian Open in Melbourne.

Russians dominated the women’s draw on day five at the Australian Open with four progressing to the last 16.

Wimbledon number one seed Lindsay Davenport will be hoping she does not become the latest victim of the “graveyard of champions” this afternoon.

Former champion Justine Henin-Hardenne cruised into the third round of the French Open today with a straightforward victory over Spain’s Virginia Ruano Pascual.

French Open, Roland Garros, Paris, France

US Open Championship, Flushing Meadows, New York

France's Mary Pierce has beaten Venus Williams in the women's singles event in Athens.

Justine Henin-Hardenne has withdrawn from WTA tournaments in San Diego and Montreal in the next two weeks.

Karolina Sprem revealed how she played through the pain barrier to book a place in the quarter-finals at Wimbledon.

ANDY Roddick and Roger Federer reached the round of 16 at Wimbledon while thousands of fans lined up to be part of the third People’s Sunday in 127 years.

Serena Williams was greeted with jeers and whistles but then eased into the fourth round of the French Open with a 6-0 6-4 victory over Croatia’s Silvija Talaja.

French Open results, Roland Garros, Paris:

French Open champion Juan Carlos Ferrero denied the home crowd the chance of an all-American men’s final in the US Open with a four-set victory over Andre Agassi.

Martina Navratilova insists she does not know yet whether she will try to break Billie-Jean King’s record of 20 Wimbledon titles next year.

French Open, Roland Garros, Paris

French Open Results

The Williams sisters justified their controversial top seeding at the Australian Open by claiming the women’s doubles title.

Venus Williams moved comfortably into her second Australian Open semi-final with a straight-sets victory over Daniela Hantuchova.

JUSTINE HENIN-HARDENNE made it the quarter-finals of the Australian Open after she and Lindsay Davenport ran each other to a standstill in a whole-hearted and dramatic fourth-round match at the Rod Laver Arena.

Justine Henin-Hardenne survived blisters and thigh cramps to record her first ever victory over former champion Lindsay Davenport in a titanic battle at the Australian Open that lasted three hours and 15 minutes.

Lleyton Hewitt and Serena Williams have been named as the International Tennis Federation's world champions for 2002.

US Open Tennis Results

The Williams sisters have won the Ladies' Doubles event at Wimbledon today beating Virginia Ruano Pascual and Paola Suarez today.

Defending champion Venus Williams overcame a shaky start to comfortably beat Virginia Ruano Pascual and secure a place in the third round.

The draw has been made for Wimbledon - and men's top seed Lleyton Hewitt will face Jonas Bjorkman in the first round of Wimbledon.

The seedings for the 2002 Wimbledon Championships have been announced by the All-England Club in London.

French Open results

Andre Agassi has beaten Frenchman Paul-Henri Mathieu at Roland Garros to progress to the next round.

Second seed Venus Williams breezed through her second round match at the French Open this afternoon then declared herself satisfied with the work-out.

Virginia Ruano Pascual, the first-round victor of Martina Hingis, was beaten in straight sets by Lina Krasnoroutskaya at Wimbledon.

Martina Hingis denied that her first-round defeat to Spain's Virginia Ruano Pascual at Wimbledon had anything to do with her fragile mental state.

Venus Williams begins her quest to hold on to her Wimbledon title, knowing that a repeat triumph will be enough to make her officially the world's best female tennis player.

Top seed Martina Hingis claimed tendonitis in her back had affected her performance after she was knocked out of Wimbledon in the first round by world number 83 Virginia Ruano Pascual.

World number one and top seed Martina Hingis suffered another first round nightmare today as Virginia Ruano Pascual racked up one of Wimbledon’s greatest shocks.