Top-seeded Serb Ana Ivanovic withdrew from the Qatar Open on Thursday after injuring her left ankle beating Olga Govortsova of Belarus the previous day.
Venus Williams won her second match in two days at the season-ending WTA Championships on Wednesday when she beat Elena Dementieva 6-4, 4-6, 6-3 to leave herself on the brink of the semis with one round-robin match to play. Russian Vera Zvonareva also remained undefeated after a 6-3, 6-7, 6-4 victory over Serbia's Ana Ivanovic in the white group.
Ana Ivanovic claimed her first title since she lifted the French Open trophy in June, beating second seed Vera Zvonareva of Russia 6-2, 6-1 on Sunday to win the Linz Open. It was the top-seeded Serbian's third title this year and came after a dramatic slump that followed her Paris victory and rise to number one in the world rankings.
Ana Ivanovic denied accusations that she used gamesmanship during her semi-final win over Daniela Hantuchova.
Ana Ivanovic reached her second semi-final in two weeks by overcoming seventh seeded Italian Flavia Pennetta 6-4, 6-4 at the Linz Open on Friday. Although Pennetta came within two points of recovering the break as Ivanovic served for victory, the Serbian held on to set up a clash with third-seeded Pole Agnieszka Radwanska.
Fourth seed Kei Nishikori's hopes of making another magical U.S. Open run came to a quick end on Monday as last year's runner-up fell at the first hurdle, falling 6-4, 3-6, 4-6, 7-6 (6), 6-4 to Frenchman Benoit Paire.
Venus Williams remained on course for a strong end to an inconsistent season when the American beat Italy's Francesca Schiavone 6-3, 6-3 to reach the Zurich Open semi-finals on Friday. Third-seeded Williams will face Serbian second seed Ana Ivanovic on Saturday after the world number four saw off Czech qualifier Petra Kvitova 6-1, 6-4.
Ana Ivanovic became the second high-profile player to tumble out of the Kremlin Cup in two days after losing to Dominika Cibulkova 3-6, 6-2, 7-6.
The 19-year old Indian and Ana Ivanovic of Serbia beat Italy's Maria Elena Camerin and Tathiana Garbin at the Nasdaq 100 Open.
China's Zheng Jie thrilled home fans by upsetting world number four Ana Ivanovic to book a place in the China Open semi-finals.
World number four Ana Ivanovic eased past French teenager Alize Cornet 6-1 7-6 to reach the China Open quarter-finals on Thursday, while China's Zheng Jie delighted home fans by thrashing Japan's Ai Sugiyama.
The second seed registered a convincing 6-0, 6-2 victory over Russian Olga Poutchkova at the Diamond Games.
Ana Ivanovic's abrupt exit left the 20-year-old Serb a passive bystander among five women with a mathematical chance of emerging from the year's final slam as world number one.
Ana Ivanovic admitted she did not play like the world number one on Thursday but said her shock defeat in the second round of the US Open would only spur her to practice harder. Ivanovic went down 6-3, 4-6, 6-3 to 188th-ranked Frenchwoman Julie Coin.
Ana Ivanovic booked her place in round two with a 6-1, 4-6, 6-4 triumph over the valiant Vera Dushevina at the US Open.
Rafael Nadal will try to match his new status as world number one with his first US Open title.
Rafael Nadal and Ana Ivanovic, both ranked world number one, were named on Tuesday as the top seeds for the US Open which begins at Flushing Meadows on Monday. It is the first time that Spaniard Nadal, who replaced Roger Federer at the top of the men's rankings on Monday, has been the top seed at a Grand Slam tournament.
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.
Sania Mirza dropped 10 places to 60 while Somdev Devvarman rose to 320 in the rankings list released on Monday.
Jelena Jankovic will replace fellow Serb Ana Ivanovic as world number one on August 11, the WTA said on Saturday. With no tournaments taking place next week ahead of the Beijing Olympics, Jankovic will end Ivanovic's nine-week reign when the WTA governing body's computer drops the points from the events played in the same week one year ago.
Ana Ivanovic was stunned 6-2, 1-6, 6-2 by 17-year-old Austrian Tamira Paszek in the third round of the Montreal Cup on Thursday.
French Open runner-up Ana Ivanovic scooped her third title of the year after overcoming Slovakia's Daniela Hantuchova in the final of the Luxembourg Championships.
After a Wimbledon tournament full of shocks, Martina Navratilova said it was time the top women players "stepped up" following the shock retirement of Justine Henin.
New world number one Ana Ivanovic has pulled out of next week's Eastbourne grasscourt tournament with a muscle injury.
Serbia's Ana Ivanovic staved off a stirring fightback from compatriot Jelena Jankovic set up a meeting with Dinara Safina in the French Open final. Safina beat fourth seed Svetlana Kuznetsova in the other semi-final.
Dinara Safina reached the French Open final with a 6-3, 6-2 win over fellow Russian and fourth seed Svetlana Kuznetsova on Thursday.
quick dash home to Serbia could not stop Jelena Jankovic from setting up a tantalising French Open semi-final showdown with compatriot Ana Ivanovic on Tuesday. The third seed, who has endured a rash of aches and pains over the past week, flew back to Serbia after her fourth-round match to have treatment on a sore right arm. On her return, she wasted little time in defeating Spanish qualifier Carla Suarez Navarro 6-3, 6-2.
World number two Ana Ivanovic raced into the quarter-finals of the French Open with a 6-0, 6-0 whitewashing of unseeded Czech Petra Cetkovska on Sunday.
The triumph will put the 19-year-old Serb, who reached this year's French Open final and Wimbledon semi-finals, fourth in the rankings.
Last year's runner-up Ana Ivanovic of Serbia reached the second round of the French Open with a 6-2, 7-5 defeat of Swede Sofia Arvidsson on Sunday. Australian Open champion Djokovic stood firm to record a 4-6, 6-3, 7-5, 6-2 win over Germany's Denis Gremelmayr.
Top seed Ana Ivanovic crashed out of the Italian Open in her first game on Wednesday, losing 6-4, 5-7, 6-2 to Bulgarian qualifier Tsvetana Pironkova.
Defending champion Ana Ivanovic came through a tough first set to beat Akgul Amanmuradova of Uzbekistan 7-6, 6-2 and reach the third round of the German Open on Wednesday.
The three-time former champion entered her sixth Wimbledon final, beating Serbian teenager Ana Ivanovic.
Lindsay Davenport revived memories of when she was the game's top-ranked player by crushing Ana Ivanovic 6-4, 6-2 in Miami.
The Belgian dished out a painful 6-1 6-2 lesson to Serbian school student Ana Ivanovic to become the first woman since tennis turned professional in 1968 to win back-to-back Roland Garros crowns without dropping a set.
The world number one crushed Serbia's Ana Ivanovic 6-1, 6-2 in the women's final.
Top seed Ana Ivanovic beat Russian Svetlana Kuznetsova 6-4, 6-3 in the Pacific Life Open final on Sunday.
Serbians Jelena Jankovic and Ana Ivanovic registered easy victories to advance to the fourth round of the Pacific Life Open. Third-seeded Jankovic shrugged off gusting winds to sweep aside Ai Sugiyama of Japan 6-1, 6-1, while top seed Ana Ivanovic, the world number two, also progressed with great ease, dispatching Italy's Tathiana Garbin 6-3, 6-0.
Fifth seed Maria Sharapova sealed her third grand slam title and first Australian Open with a comfortable 7-5 6-3 victory over Serbia's Ana Ivanovic in the final on Saturday.
Former French Open winner Ana Ivanovic will draw on lessons from her last Wimbledon clash with Venus Williams when she plays the five-time champion on Monday for a place in the quarter-finals.