Caroline Wozniacki's first match since losing the world No.1 ranking ended dramatically on Wednesday at the Dubai Championships when opponent Anna Chakvetadze collapsed on court while serving for the second set.
Reputations counted for little at the French Open on Thursday when Amelie Mauresmo, James Blake and David Nalbandian were toppled by opponents ranked outside the world's top 75.
Russian second seed Maria Sharapova pulled out of Saturday's Italian Open semi-final with Serb title holder Jelena Jankovic because of injury, organisers said. In the final, fourth seed Jankovic will meet the winner of the match between Russian sixth seed Anna Chakvetadze and 18-year-old French qualifier Alize Cornet.
Svetlana Kuznetsova reached the semi-finals of the Dubai Championships on Thursday after holding off a strong second set challenge to beat France's Amelie Mauresmo 6-1, 7-6.
Maria Sharapova got off to a flying start at the LA Championships on Monday, beating Slovakia's Jarmila Groth 6-0, 6-4 in the first round despite losing her way at times in a competitive second set.
Flavia Pennetta and Francesca Schiavone gave Italy a shock 2-0 lead over champions Russia, while the United States and the Czech Republic were level at 1-1 after day one in the Fed Cup semi-finals on Saturday. Pennetta swept past an out-of-sorts Anna Chakvetadze 6-4, 6-0 in windy conditions at Castellaneta Marina before Schiavone fought back to beat Svetlana Kuznetsova 1-6, 6-2, 6-3.
Canadian qualifier Aleksandra Wozniak captured her first career title by defeating sixth seed Marion Bartoli of France 7-5, 6-3 in the final of the Stanford Classic.
Serena Williams has withdrawn from next week's Stanford Classic due to a thumb injury, organisers said on Thursday.
Jelena Dokic, riding high on a wave of public sympathy and support, upset Russian 17th seed Anna Chakvetadze 6-4, 6-7, 6-3 on Wednesday to reach the third round of the Australian Open. The Serbian-born Australian registered her first win over a player ranked in the top-20 for five years and her first victory on Melbourne Park's centre court for a decade. Dokic's brave win was charged with a combination of raw emotion and pain.
Defending champions Russia took an unassailable 3-1 lead over Israel in their Fed Cup world group first-round tie on Sunday after Maria Sharapova and Anna Chakvetadze won their singles rubbers.
Russia tennis player Anna Chakvetadze escaped unharmed after several men broke into her house in southwest Moscow early on Tuesday, police said.
Former winner Maria Sharapova, her Russian compatriot Anna Chakvetadze and Serb Ana Ivanovic joined world number one Justine Henin in the semi-finals of the WTA Championships on Thursday.
Marion Bartoli knocked holder Anna Chakvetadze out of the Stanford Classic 6-3, 6-4 in the quarter-finals.
There was simply no end to Sania Mirza's misery in the WTA Bank of the West Classic tennis tournament as after her misadventure in the singles event, the Indian ace made a first round exit from doubles as well. Sania and her Russian partner Anna Chakvetadze were brushed aside by the unheralded Czech pair of Eva Hrdinova and Vladimira Uhlirova 6-3 6-4 in the Tier II event in Stanford.
Svetlana Kuznetsova and Anna Chakvetadze recorded contrasting victories against Italian opponents in Moscow.
A wrist injury could keep the Indian ace out of next week's WTA tournament.
Top seed Maria Sharapova ended Anna Chakvetadze's 12-match winning streak and powered into the San Diego Classic final with a 6-3 6-2 victory over her Russian compatriot on Saturday.
Nadia Petrova lost 6-3, 6-3 to Italy's Mara Santangelo in the second round of the Warsaw Cup.
Hungarian teenager Agnes Szavay battled it out for over two hours to overcome Russian Elena Dementieva 6-3 1-6 7-5 and reach the Paris Open final on Saturday.
Top seed Anna Chakvetadze advanced to the quarter-finals of the Paris Open with a 6-1 6-3 win over local favourite Nathalie Dechy on Thursday.
India's Sania Mirza lost 5-7, 6-1, 3-6 to Flavia Pennetta in the quarterfinal of the Hobart International WTA.
Sania Mirza's impressive showing at the Hobart WTA saw her move to world number 53.
Maria Sharapova looked back to her best as she overwhelmed Ana Ivanovic 6-1, 6-2 in her final round-robin match at the WTA Championships to set up a semi-final showdown with Russian compatriot Anna Chakvetadze.
Justine Henin qualified for the WTA Championships semi-finals with a 6-2, 6-2 win over Jelena Jankovic.
The world number one began the defence of her WTA Championships singles title with a 6-1, 7-6 win over Russian Anna Chakvetadze.
Chakvetadze, who this week qualified for the season-ending WTA Championships which begin in Madrid on Nov. 6, looked flat and barely competed against an aggressive opponent who took full advantage of the freedom she was given.
Britain's Andy Murray and Russia's Mikhail Youzhny became the latest seeds to fall in the Kremlin Cup when they lost to lower-ranked opponents in the second round on Thursday.
Svetlana Kuznetsova questioned Siberian-born player's motives for coming to Moscow for the Fed Cup final despite being injured.
The Russian swept aside Slovenia's Katarina Srebotnik at the Linz Open on Tuesday.
Russia are strongly favoured to capture a third Fed Cup title in four years when they take on holders Italy in the Moscow final this weekend.
Svetlana Kuznetsova beat Hungarian teenager Agnes Szavay 6-1 6-4 to reach the U.S. Open semi-finals on Wednesday and believes she is a better player than when she won the title in 2004.
'I find it very hard to play her. She is very hard for a lot of players,' said the 20-year-old Indian after losing to the Russian.
The Indian ace beat USA's Laura Granville 6-3, 7-5 in the second round at the US Open.
The Indian ace will meet top seed Anna Chakvetadze of Russia in the summit clash.
Making her first semi-final appearance after quarter-final exits at each of the last two editions of the tournament, Sania confessed that she ran out of steam towards the end.
The third seeded Indian ace easily beat Olga Govortsova of Belarus at the US $175,000 WTA Tier III event.
The Indo-South African pair beat the Canadian-Slovak pair of Maurin Drake and Tina Krizan in the first round at the Acura Classic.
Russia's Anna Chakvetadze beat injury-hit top seed Jelena Jankovic of Serbia to win the women's title at the Den Bosch Open on Saturday, while Croatia's Ivan Ljubicic beat Dutchman Peter Wessels to win the men's.
Maria Sharapova made it to her maiden semi-finals of the French Open by beating fellow Russian Anna Chakvetadze 6-3, 6-4.
Justine Henin beat Italian Mara Santangelo 6-2, 6-1 in the quarterfinals of the Warsaw Cup.