Caroline Wozniacki couldn't settle for second best having seen her number one spot taken last week by Kim Clijsters in France. Woziacki secured her World Number 1 place by defeating Shahar Peer in straight sets.
Jankovic is also through ousting Sam Stosur 63 57 76. Kuznetsova and Pennetta also continue.
Singles - Quarterfinals (1) Caroline Wozniacki (DEN) d. (9) Shahar Peer (ISR) 62 64 (6) Jelena Jankovic (SRB) d. (4) Samantha Stosur (AUS) 63 57 76(4) (16) Svetlana Kuznetsova (RUS) d. (8) Agnieszka Radwanska (POL) 76(7) 63 (11) Flavia Pennetta (ITA) d. (15) Alisa Kleybanova (RUS) 62 60
Doubles - Semifinals (2) Huber/Martínez Sánchez d. (WC) Kuznetsova/Zvonareva (RUS/RUS) w/o (Zvonareva: right elbow injury)
Doubles - Quarterfinals (1) Peschke/Srebotnik (CZE/SLO) d. (6) Mattek-Sands/Shaughnessy (USA/USA) 62 64 (2) Huber/Martínez Sánchez (USA/ESP) d. (7) Raymond/Stosur (USA/AUS) 63 46 107 (4) Azarenka/Kirilenko (BLR/RUS) d. Mirza/Vesnina (IND/RUS) 64 62 (WC) Kuznetsova/Zvonareva (RUS/RUS) d. Hantuchova/Radwanska (SVK/POL) 76(7) 64
