Germany's Andrea Petkovic was visibly emotional on Tuesday as she headed into retirement following a 6-2, 4-6, 6-4 loss to Swiss Olympic champion Belinda Bencic in the first round at the US Open.
Victoria Azarenka's China Open title defence wilted in the first round when the Belarussian lost to Germany's Andrea Petkovic 6-4, 2-6, 6-4 on Monday.
Germany's top-ranked tennis player Andrea Petkovic has pulled out of next week's Australian Open Grand Slam tournament with a stress fracture, organisers said on Wednesday.
Comeback German girl Andrea Petkovic toppled top seed Nina Bratchikova of Russia while Japanese veteran Kimiko Date-Krumm shocked compatriot and second seed Misaki Doi to storm into the semi-finals of the WTA Indian Open in Pune.
Andrea Petkovic battled back to advance to the semi-finals at the Family Circle Cup in Charleston, South Carolina on Friday while Czech qualifier Lucie Hradecka upset yet another seed with a victory over Sara Errani.
Maria Sharapova reached her first final in more than seven months with a 3-6, 6-0, 6-2 victory over Germany's Andrea Petkovic at the Sony Ericsson Open on Thursday.
Germany's Andrea Petkovic sobbed during a changeover but set up a second round clash against Jelena Jankovic after battling past Austrian qualifier Tamira Paszek 3-6, 6-2, 6-2 in Stuttgart on Tuesday.
World number one Caroline Wozniacki suffered a surprise fourth-round defeat by Germany's Andrea Petkovic in the Sony Ericsson Open on Monday, falling victim to a smart strategy from her lower-ranked opponent.
Andrea Petkovic pulled off another upset at the Sony Ericsson Open on Tuesday, defeating sixth seed Jelena Jankovic to reach the semi-finals, while Kim Clijsters needed all her big-match experience just to stay in the tournament.
Former world number one Maria Sharapova suffered a fourth round shock at the Australian Open on Sunday when she was bundled out 6-2, 6-3 by Germany's Andrea Petkovic on Sunday.
Spain's Carla Suarez Navarro came back from a dreadful first set to defeat Venus Williams.
Roger Federer took 55 minutes to dispel all injury doubts with a 6-2, 6-1 routing of unheralded German Tobias Kamke in the second round of the Brisbane International on Thursday. Media speculations swirled around the fitness of the world number three less than two weeks before he launches his bid for a fifth Australian Open title and the Swiss maestro dismissed them by dropping only three games in a lop-sided contest. "I'm going to do my best to stay injury free and give myself a chance to win another grand slam," Federer said after setting up a quarter-final against Grigor Dimitrov.
Former champion Caroline Wozniacki reached the semi-finals of the Eastbourne grasscourt tournament with a 7-5, 6-1 defeat of Germany's Andrea Petkovic on Thursday.
Top seed Serena Williams came from a set down to book her place in the Stanford Classic semi-finals with a hard-earned 2-6, 6-3, 7-5 win against fifth-seeded Serb Ana Ivanovic on Friday.
American Venus Williams marked her return from an abdominal injury with an impressive 7-5, 5-7, 6-3 victory over Germany's Andrea Petkovic at the Eastbourne championships on Monday.
At this year's Australian Open, the ladies brought back shorts centrestage.
Top seed Serena Williams won the final eight games to rout Andrea Petkovic in the semi-final at the Stanford Classic in California on Saturday.
Top-seeded Naomi Osaka pulled out of her Melbourne Summer Set 1 WTA event semi-final against Veronika Kudermetova on Saturday, citing the intensity of recent games as cause for her withdrawal.
World number one Victoria Azarenka moved into the Stuttgart indoor tournament quarter-finals on Thursday as sixth seed Caroline Wozniacki was upset by Angelique Kerber.
Fourth seed Venus Williams retired from her Australian Open third round match against Germany's Andrea Petkovic with injury on Friday after lasting just seven points.
A summary of Thursday's play at the US Open.
Roger Federer will be returning to his newborn twins earlier than expected after his Italian Open adventure ended with a 1-6, 6-3, 7-6(6) second-round defeat by Frenchman Jeremy Chardy on Wednesday.
Sania Mirza and Bethanie Mattek-Sands earned themselves a shot at their third title of the season by reaching the final of the WTA Porsche Tennis Grand Prix in Stuttgart.
Indian tennis ace Sania Mirza and her American partner Liezel Huber advanced to the third round of women's doubles event at the Wimbledon with a three-set win over Italian-German duo of Flavia Pennetta and Andrea Petkovic.
Maria Sharapova marched into the semi-finals of the Cincinnati Open after crushing Australian Samantha Stosur 6-3, 6-2 on Friday to set up a last four meeting with fellow-Russian Vera Zvonareva.
Russia's Maria Sharapova will face Serbia's Jelena Jankovic in the Cincinnati Open final after the pair enjoyed solid victories in their semi-finals on Saturday. Sharapova recovered from a poor start to beat fellow-Russian and world number two Vera Zvonareva 2-6, 6-3, 6-3 to reach her fourth final of the season while Jankovic beat Germany's Andrea Petkovic 7-6, 6-1.
World number one Caroline Wozniacki survived an early scare to win 10 straight games and crush German Andrea Petkovic 6-4, 6-1 on Thursday for a spot in the last four of the Stuttgart Grand Prix.
Justine Henin and Kim Clijsters steamrolled their semi-final opponents on Friday to set up a tantalising all-Belgian final at the Brisbane International. Henin, playing her first tournament in 20 months after coming out of retirement, crushed Serbia's Ana Ivanovic 6-3, 6-2 in a little over then hour. Then Clijsters, who won last year's US Open after making her own fairytale comeback, demolished Germany's Andrea Petkovic 6-4, 6-2.
Former World No 1 Dinara Safina celebrated her return to Stade Uniprix with a 6-3, 6-3 win over Germany's Andrea Petkovic at the Montreal Cup on Monday and declared herself 100-percent pain-free after a horror run of injuries.
Svetlana Kuznetsova's luck finally ran out at Roland Garros on Friday.
Petra Kvitova and Lucie Safarova put the Czech Republic on the brink of the Fed Cup title with victories on the opening day of the final against Germany on Saturday.
Maria Sharapova and Li Na set up a French Open semi-final clash of styles after Russian elegance and Chinese determination powered them past their last-eight opponents on Wednesday.
Canadian tennis player Eugenie Bouchard has filed a case against the United States Tennis Association (USTA) for their negligence.
World No 1 Serena Williams showed plenty of rust in her first competitive outing of the year ahead of the Australian Open, but battled through to defeat Andrea Petkovic in straight sets at the Brisbane International on Tuesday.
World No 2 Rafael Nadal sailed into the quarter-finals of the China Open, his first tournament in 13 weeks, with a 6-3, 6-4 win over German qualifier Peter Gojowczyk on Thursday.
German tennis has responded with outrage after the United States Tennis Association made the embarrassing error of playing the Nazi-era version of Germany's national anthem during a Federation Cup tie in Hawaii.
World number one Rafael Nadal begins his French Open title defence, on Monday, with a clash against Italy's Simone Bolelli on Court Philippe-Chatrier.
India's Sania Mirza and her Swiss partner Martina Hingis continued their domination in the women's doubles by winning their sixth consecutive title by lifting the Brisbane International Tennis Tournament, in Brisbane, on Saturday.
Rediff.com presents the early surprises at the year's first Grand Slam.
American teenage sensation Coco Gauff progressed to her maiden WTA final as she eased past Germany's Andrea Petkovic 6-4, 6-4 at the Linz Open on Saturday. The 15-year-old Gauff became the youngest player to reach a WTA final since Czech Republic's Nicole Vaidisova won the Tashkent Open in 2004, also aged 15.