(2) jankovic (Serbia)
(3) kuznetsova (Russian Federation)
Serena williams (USA)
(5) Elena elena dementieva (Russian Federation)
(6) Safina (Russia)
(7) Williams (USA)
Radwanska (Poland)
This is the sign-in form after the start of the game. In fact, there was a seed ranking before the opening of the Olympic Games, but because someone couldn't come to the competition, there was another one after the competition started.
the fact proves (that)
1 Ivanovic Serbia
2 Sharapova Russia
3 jankovic Serbia
4 kuznetsova Russian
5 Elena elena dementieva Russian
6 Serena Williams USA
7 Williams USA
8 Safina Russia