Sofia Arvidsson came close to an upset against No.4 seed Caroline Wozniacki in the third round.
Caroline Wozniacki was a game from losing at 63 54 but rallied to beat Sofia Arvidsson, 36 75 62.
Nadia Petrova took out No.6 seed Samantha Stosur in the third round, firing 15 aces along the way.
No.3 seed Petra Kvitova was also upset in the third round, falling to Christina McHale, 26 62 63.
Maria Kirilenko led Nadia Petrova 61 51, but after a lapse ended up winning it in three, 61 57 62.
Christina McHale fell in the fourth round, missing three match points against Angelique Kerber.
It was Ana Ivanovic's time to shine on Tuesday night, crushing No.4 seed Caroline Wozniacki, 63 62.
Caroline Wozniacki was the defending champion in Indian Wells. She will fall to No.6 next week.
The first quarterfinal saw Victoria Azarenka beat Agnieszka Radwanska. Angelique Kerber won at night.
Marion Bartoli had beaten Ana Ivanovic in three of their last four meetings, but it wasn't to be...
Ana Ivanovic served up a 63 64 victory over No.7 seed Marion Bartoli in Thursday's quarterfinals.
It was the first time Ana Ivanovic downed two Top 10 players at the same event in nearly two years.
Maria Kirilenko built a 63 20 lead against No.2 seed Maria Sharapova in the last quarterfinal.
Maria Sharapova never gave up however, battling over three hours to edge Maria Kirilenko, 36 75 62.
Maria Sharapova was among the off-court stars in Indian Wells, with visits and autograph sessions.