World number one Caroline Wozniacki moved into the quarter-finals of the Qatar Open with a 6-3, 6-2 win over Russian Nadia Petrova but third seed Francesca Schiavone was upset by China's Peng Shuai on Wednesday.
Angelique Kerber produced a polished display to claim her second straight win at the WTA Finals with a 6-4, 6-2 victory over Simona Halep on Tuesday, the world number one virtually booking a spot in the semi-finals of the elite eight-woman event.
World number one Caroline Wozniacki turned the tables on the media after reaching the fourth round of the Australian Open on Friday, taking charge of her post-match news conference in a charming effort to prove she was not boring.
Caroline Wozniacki's New Haven Open title defence and final warmup for the US Open opened smoothly on Wednesday with a clinical 6-4, 6-1 second round win over Slovakia's Dominika Cibulkova.
Venus Williams said she was 'overjoyed' that Wimbledon organisers gave women the spotlight on the tournament's main showcourts on Wednesday.
Venus Williams advanced into her first Grand Slam quarter-final since the 2010 US Open.
Britain's Johanna Konta faces an anxious 24-hour wait before discovering whether she will make her debut at the WTA Finals in Singapore.
Dinara Safina and Svetlana Kuznetsova, the world's best women claycourters in 2009, relied on their wealth of experience to set up an all-Russian final at the French Open on Thursday.
Defending champion Venus Williams eased into the third round of the Dubai Championships on Tuesday with a 6-2, 6-3 victory over Germany's Sabine Lisicki. Top seed Caroline Wozniacki had to recover from 1-5 and save a set point to defeat Slovak Dominika Cibulkova 6-2, 7-6 while second seed Svetlana Kuznetsova received a walkover when Spain's Anabel Medina Garrigues withdrew with a back injury.
Former Wimbledon champion Maria Sharapova started her grasscourt season in convincing fashion with a 6-4, 6-2 first-round win over Canada's Stephanie Dubois in the Edgbaston Classic in Birmingham on Monday.
A confident Sania Mirza thrashed Russian qualifier Vitalia Diatchenko 6-4, 6-0 to reach the quarterfinals of the USD 220,000 Pattaya Open tennis tournament on Thursday.
Elena Dementieva downplayed any suggestions she was the favourite for the Australian Open title after she romped into the quarter-finals with a 6-2 6-2 demolition of Slovakia's Dominika Cibulkova on Monday. The victory, in just 76 minutes, was the 14th in a row for the fourth-seeded Russian, who won the Auckland and Sydney tournaments before arriving at Melbourne Park. She is unbeaten in 2009 and plays Spain's unseeded Carla Suarez Navarro in the last eight.
Slovakia's Dominika Cibulkova shocked fifth-seeded Russian Elena Dementieva 6-4, 6-2 to reach the Montreal Cup third round on Tuesday. Dementieva was joined at the exit door by eighth-seeded compatriot Vera Zvonareva, who was upset 6-3, 1-6, 7-6 by Frenchwoman Virginie Razzano.
Germany's Nicolas Kiefer had his Australian Open preparations thrown into disarray after injuring his ankle during his Hopman Cup clash against Slovakia's Dominik Hrbaty in Perth on Thursday.
Third seed Venus Williams was eliminated in the third round of the French Open, beaten 6-0, 6-4 by Hungary's Agnes Szavay on Friday.
Poland's Agnieszka Radwanska stayed patient in the face of a barrage of big serving to advance to the last four of the WTA Finals for the third time in a row with a 7-5, 6-3 victory over Karolina Pliskova on Friday.
Maria Sharapova joined Serena Williams in making an early exit from the Australian Open on Monday but defending champion Victoria Azarenka swept into the quarter-finals with an 18th straight victory at Melbourne Park.
Jelena Jankovic was upset 7-5, 6-2 by Slovakia's Dominika Cibulkova in the quarter-finals of the Montreal Cup on Friday.
German Kerber has not won a title since and will now drop out of the world's top 10.
Maria Sharapova captured her first claycourt title when she defeated Slovakia's Dominika Cibulkova 7-6, 6-3 in the final of the Amelia Island Championships on Sunday. Sharapova became the first woman to win three titles this season following her success at the Australian Open and Qatar Open and improved her 2008 win-loss record to 22-1.
Big-serving Andy Roddick crashed out of the Pacific Life Open on Sunday while second-seeded Russian Svetlana Kuznetsova advanced after a battling 6-1, 4-6, 6-3 win over Slovakia's Dominika Cibulkova. Much smoother progress was made by Swiss world number one Roger Federer, Australian Open champion Maria Sharapova and women's title-holder Daniela Hantuchova, who all won their respective matches in straight sets.
Russian seventh seed Dinara Safina overwhelmed Slovakia's Dominika Cibulkova 6-2, 6-1 to claim the Montreal Cup.
Marion Bartoli knocked holder Anna Chakvetadze out of the Stanford Classic 6-3, 6-4 in the quarter-finals.
Top seeds Sania and her Brazilian partner Bruno Soares edged past Abigail Spears and Santiago Gonzalez.
The exodus of seeded players has been so spectacular that only one of the top 10 remains -- number seven Karolina Pliskova.
Serena Williams took some coaching advice from a fan during her fourth round match.
Top seed Jelena Jankovic of Serbia and third-ranked Slovak Daniela Hantuchova enjoyed contrasting opening-round victories in the Auckland Classic on Tuesday.
The third seeded Indian ace got the better of Hana Sromova in a second round match.
Russia's Svetlana Kuznetsova raced to a 6-2, 6-1 victory over Australian Daria Gavrilova to defend her Kremlin Cup title in Moscow on Saturday and secure a place at the season-ending WTA Finals.
He leads the men's seedings ahead of defending champ Roger Federer, with Bulgarian Grigor Dimitrov seeded third.
The absence of expectant mother Serena Williams and a failure by any of the other top women to produce the kind of dominance the American seven-times champion has consistently delivered makes this year's Wimbledon the most open in years.
Australian Nick Kyrgios was expelled from the tournament after going wild in the third set of his match against Casper Ruud.
Venus Williams' return to Indian Wells lasted just one match but sister Serena looked poised for a long run after a dominant win at the BNP Paribas Open on Friday. Venus returned to the event for the first time since 2001, having boycotted it after being booed and heckled by fans during her previous trip, but made a quick exit after a 6-4 6-3 defeat to Japanese qualifier Kurumi Nara in the second round. The 15-year-old incident had occurred when Venus withdrew from a semi-final match with Serena, drawing ire from the crowd aimed at the Williams family. This time, though, Venus was greeted warmly by the crowd before her match and throughout it, a consolation for her poor performance. "It was enough of a fairytale to come here and play," Venus told reporters. "A win would have been nice, but that means I have to come back, play next year."
Novak Djokovic barely got out of first gear but had more than enough in the tank to beat Briton Kyle Edmund 6-3, 6-3 in the second round of the Miami Open on Friday.
Rafael Nadal easily avoided the embarrassment of a back-to-back first round exits at the Australian Open on Tuesday, ramping up his serve and rattling off 39 winners to beat Florian Mayer 6-3, 6-4, 6-1 on Rod Laver Arena.
Defending champion Petra Kvitova suffered a shock exit when unseeded Romanian Sorana Cirstea beat the Czech 4-6 7-5 6-2 on Friday to move in the semi-finals of the Rogers Cup.
World number four Stan Wawrinka began the new season with a straight-sets victory over Viktor Troicki in his Brisbane International debut on Wednesday. Second seed Wawrinka edged out Troicki 7-6(5) 6-4 to maintain his perfect record against the Serbian whose seventh attempt at beating the Swiss failed at the Pat Rafter Arena. "I'm quite happy with my level at the start the year," Wawrinka said.
Serena Williams battered Anastasia Pavlyuchenkova 6-4, 6-4 in the quarter-finals at Wimbledon on Tuesday, seizing on moments of weakness from the Russian to ram home her advantage.
The Scot lost 6-4, 6-4 to Richard Gasquet in his first singles match since January before saying he had turned down a wild card into the men's draw at the year's final Grand Slam.
Muguruza used her experience to get out of trouble, eventually set up a meeting with Ukrainian 10th seed Elina Svitolina in just over two hours under a relentless sun at Indian Wells.