Serena Williams is done for the season, just like her sister.
In a statement e-mailed to the AP by her agent, the younger Williams says Tuesday she re-tore the tendon'' in her right foot, which she originally injured by cutting it on glass at a restaurant shortly after winning Wimbledon in July. Williams says she hadanother procedure to repair'' the tendon on Monday.
Her announcement comes less than two weeks after her sister Venus said she won't play for the rest of the year.
Both sisters will miss the WTA Championships next week in Doha, Qatar, and the Fed Cup final between the United States and Italy next month at San Diego.
Serena hasn't played on tour since July 3, when she won her fourth Wimbledon championship and 13th Grand Slam singles title overall.