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. Last Updated: 07/27/2016

Sharapova Falls as Top Seeds Tumble

APSharapova will lose her world No. 1 ranking after going down 4-6, 7-5, 6-1 to compatriot Zvonareva at the Pacific Line Open in Indian Wells on Tuesday.
INDIAN WELLS, California --Vera Zvonareva staged a remarkable comeback to send defending champion Maria Sharapova crashing out of the Pacific Life Open on Tuesday, completing an afternoon of major upsets in the women's draw.

The 15th seed battled back from a set and a break down to overcome the world No. 1 4-6, 7-5, 6-1 in the all-Russian fourth round match, setting up a quarterfinal against China's Li Na, who upset Serb seventh seed Jelena Jankovic 6-3, 7-6.

Sharapova appeared to be cruising toward a routine victory when serving for the match at 5-3 in the second set, but her opponent broke back and won the next seven games to take a commanding 4-0 lead in the deciding set.

"It's strange," Sharapova told reporters following a poor performance that was littered with 47 unforced errors, including 13 double faults.

"Serving for the match, the only unforced error I really made was a swing volley. And after that I felt a little deflated. I wasn't moving well at all.

"When I served, I missed the first ball. That obviously gives your opponent so much confidence.

"She just started swinging and wasn't making a lot of errors."

By failing to defend all her points after taking the title here last year, Sharapova, 19, will lose her No. 1 spot to Belgium's Justine Henin when the new rankings are issued next week.

Martina Hingis, Nadia Petrova and Anna Chakvetadze were also dumped out of the tournament, leaving second seeded Svetlana Kuznetsova and sixth seeded Nicole Vaidisova as the highest ranked players left in the draw.

Switzerland's Hingis, seeded third, was beaten 6-4, 6-3 by 14th seed Daniela Hantuchova of Slovakia, while Petrova pulled out of her match against Tatiana Golovin due to heat exhaustion.

The Russian fourth seed was trailing 6-2, 1-0 when she decided she could no longer continue, while her eighth-seeded compatriot, Chakvetadze, fell 6-4, 7-6 to Shahar Peer of Israel.

In a final upset of the day, Sybille Bammer of Austria upended 10th seeded Serb Ana Ivanovic 6-7, 6-0, 6-3.

Kuznetsova progressed with a 6-2, 6-2 win over Japan's Ai Sugiyama and Czech teenager Vaidisova survived an early scare before rallying past France's Marion Bartoli 4-6, 6-3, 6-2.