Jelena Jankovic will either play defending champion Maria Sharapova or Tatiana Golovin in the final.
Targetting her second consecutive singles title, top seed Sania Mirza faced stiff resistance from American Mallory Cecil before snatching a hard earned win in the first round of the ITF women's tournament in Vancouver.
French fans will catch their first glimpse of Amelie Mauresmo on Wednesday when the home favourite begins her bid for a maiden French Open title.
Venus Williams battled past fellow American Laura Granville 7-6, 6-4 to reach the Memphis International semi-finals
Maria Sharapova beat Marion Bartoli 6-1, 6-2 to book a place in the Los Angeles Open quarter-finals.
Top seed Sania Mirza quelled a late challenge from American wildcard Laura Granville to enter the quarter-finals of the US $75,000 ITF Vancuover Open on Thursday.
The Indian ace beat USA's Laura Granville 6-3, 7-5 in the second round at the US Open.
Shikha and Neha Uberoi were knocked out of the doubles competition at the WTA Bell Challenge.
Shikha and Neha beat the Russian duo of Galina Voskoboeva and Anastassia Rodionova in the first round of the $175,000 Bell Challenge.
The Indian ace beat Estonian Kaia Kanepi to move into the second round of the women's singles at the US Open.
