Lindsay Davenport lost to Australia's Samantha Stosur 6-7, 6-4, 6-3 in the Los Angeles Open second round.
Davenport, who was beaten in last year's final by Serena Williams, remains on course for a quarter-final meeting with 10th seed Venus Williams or eighth seed Justine Henin-Hardenne of Belgium.
India's Sania Mirza occupies the last seeded place in the women's draw for next week's Australian Open.
Captain Stephen Fleming withdrew from the first ODI against Sri Lanka to be present at the birth of his first child.
In another match in the WTA Championships, an exhausted Maria Sharapova was beaten by Nadia Petrova.
Champion Venus Williams was knocked out of the Family Circle Cup beaten 7-5, 6-4 by 17-year-old Tatiana Golovin of France.
A recurring knee injury has put the fast bowler out of the rest of New Zealand's ongoing tour.
Samantha, who has has since given birth to a daughter, told The Sun newspaper that "trips to radical mosques had\npoisoned the innocent, naive and simple" man's mind.
What makes Helen such an endearing figure even three decades after she first hit the silver screen?
The teenager from Hyderabad jumped eight places after she added 134 points at the US Open
On a day of upsets at the Pacific Life Open, Australian Open runner-up Marcos Baghdatis beat 7th seed Gaston Gaudio.
The American ace celebrated her 700th singles victory by crushing the Russian 6-0, 6-0 to reach the quarter-finals of the Dubai Open.
Eighth seed Justine Henin-Hardenne fought back from a set down to topple the top seed and reach the semi-finals of the Australian Open.
The US Open champion beat the world number one in a hard-fought Champions Challenge final in Hong Kong.
Recuperating from a back injury, India's tennis ace Sania Mirza hangs on to 34th place in the latest WTA singles rankings released on Monday.
Indian pistol shooters, on Wednesday, pulled off a clean sweep in the 10m air pistol event at the Commonwealth Shooting Championship with Shahzar Rizvi, Omkar Singh and Jitu Rai winning gold, silver and bronze medals respectively.
The New Zealand fast bowler is doubtful for the first one-day international against Australia after he strained his right hamstring in training.
The American ace was assured the year-end top spot after world number two Kim Clijsters of Belgium was knocked out at the round robin stage at the WTA Championships.