The five-times defending champion Roger Federer and Dinara Safina will be the top seeds at the US Tennis Open.
Federer is the top seed for the fifth time in New York after he won the French Open and Wimbledon this year.
Britain's Andy Murray is second with the Australian Open champion Rafael Nadal at three followed by Novak Djokovic and Andy Roddick.
Safinas's won three titles this year but although she's reached three grand slam finals she's yet to win one.
The defending champion Serena Williams is the second seed , followed by her sister Venus, with Elena Dementieva fourth, ahead of last year's runner-up Jelena Jankovic.
The draw for the two-week event will be announced on Friday.
