The defending champion lost to Russia's Nadia Petrova 2-6, 3-6 in the quarterfinal.
World number one Amelie Mauresmo won 4-6, 6-4, 6-4 to enter the semi-finals of the German Open.
The German goalkeeper is famous for his loud complaints and intimidation of opposing strikers.
Former Wimbledon champion Goran Ivanisevic has withdrawn from the grasscourt grand slam with a knee injury, organisers said on Sunday.\n\n
The 26-year-old has already done enough to replace Tommy Haas as the\n\nGerman No. 1 when the latest world rankings are released on Monday.
Tennis star Caroline Wozniacki was in her elements as she brought in Halloween with friends on Thursday.
However Steffi Graf salvaged some pride by ending the night on a winning note in Houston.
The Belgian injured her right leg in an awkward slide to the net during a third-round match against Switzerland's Patty Schnyder.
Defending champion Nadia Petrova was also shown the door in the quarter-finals of the German Open.
After a long battle with cancer, Jana died peacefully, surrounded by her family in her native Czech Republic
Belgium's Kim Clijsters downed Maria Sharapova 6-3, 7-5 to win the Nasdaq-100 Open and claim her second consecutive title
The Swiss outclassed American Lisa Raymond 6-2, 6-2 to reach the second round of the French Open.
Andre Agassi hinted on Tuesday that he and wife Steffi Graf could team up in the mixed doubles at the Australian Open next year.
The Russian battled back from a set down to beat French Open champion Justine Henin-Hardenne in the final.
The former world number ones, who between them captured 28 Grand Slam titles, will be inducted on July 11.\n\n
She becomes only the fifth woman to hold all four grand slam titles at the same time.
Agassi said his wife agreed to play mixed doubles with him at the French Open if he wins his fourth Australian Open.
Serena Williams can 'absolutely' surpass Margaret Court's all-time record of 24 Grand Slam singles titles if the American returns to tennis after giving birth earlier this year, former world No 1 Steffi Graf said on Sunday.
By losing, Ostapenko joins a ignominious group including, as well as Myskina, Steffi Graf, Jennifer Capriati, Svetlana Kuznetsova and Angelique Kerber who all lost as Grand Slam champions on the first run of their defences.
In the 18 years that she has been on tour, Sania Mirza was the standard-bearer for tennis in the country. Never before had an Indian player dominated from the back court with such conviction. Deepti Patwardhan Salutes the Incomparable Sania Mirza.
Briton Andy Murray and Germany's Angelique Kerber were named ITF World Champions on Tuesday, capping stellar years for the men's and women's world number ones. Murray, whose brother Jamie was named doubles World Champion along with Brazil's Bruno Soares, won Wimbledon in July before becoming the first player to win two Olympic singles gold medals when he retained his crown in Rio de Janeiro in August.
Serena Williams plans to play fewer tournaments in the future to aid her quest to win more Grand Slam titles, according to her coach Patrick Mouratoglou.
The Croatian was one of the hottest properties in tennis as a teenager before the personal turmoil of her upbringing caught up with her and she was forced to start all over again in 2008.
Switzerland's Belinda Bencic became the first teenager in seven years to reach the top 10 of the WTA rankings after she climbed to ninth in the world on Monday.
Tennis great Serena Williams on Wednesday said she would consider coaching after calling it quits.
Serena Williams and Angelique Kerber, battling it out for the world number one ranking, are the first two women to qualify for the season-ending WTA Tour Finals in Singapore, the WTA said on Monday.
The 30-year-old is the first German woman to win Wimbledon since Steffi Graf in 1996.
Tennis star Serena Williams on Wednesday dropped a big hint that she could be pregnant with her first baby as she posted a picture of Snapchat with the caption "20 weeks".
Through Wi-Fi, mobile phone users will be able to access Internet.
A quick guide into the life of Serena Williams, the GOAT - The Greatest of All Time!
Serena Williams said it was a 'great feeling' to surpass Steffi Graf as the most prolific grand slam champion of the open era at the Australian Open on Saturday and was not prepared to put a number on the haul of titles she might end up with.
Following is a list of biggest shocks in women's tennis after Italian outsider Roberta Vinci, ranked 43rd, beat world number one Serena Williams in the US Open semi-finals on Friday to deny the American a chance to complete a calendar year Grand Slam.
Serena Williams beat Germany's Angelique Kerber 7-5, 6-3 to claim a seventh Wimbledon singles title and equal Steffi Graf's professional era record of 22 grand slam singles crowns on Saturday.
Serena Williams won a sixth Wimbledon title on Saturday as she became the oldest woman to win a Grand Slam title following a 6-4, 6-4 victory against Garbine Muguruza in the final on Saturday.
Novak Djokovic eased into the last four with a commanding performance over Japan's Kei Nishikori but world number two Daniil Medvedev bowed out of the men's singles at the Tokyo Olympics.
Serena Williams, who had come into the first Grand Slam since in Auckland claiming her first title since becoming a mother, suffered an error-strewn 6-4, 6-7(2), 7-5 defeat by China's Wang Qiang in the third round at the Australian Open on Friday.