Intro:

There were wins for Jelena Jankovic (SRB), Agnieszka Radwanska (POL), Li Na (CHN) and Simona Halep (ROU) in the women's fourth round of the BNP Paribas Open at Indian Wells, United States, on Tuesday.

Script:

2011's Indian Wells champion Caroline Wozniacki was hammered 6-3, 6-1 by Jelena Jankovic in the fourth round of the BNP Paribas Open at Indian Wells in America on Tuesday.

The competition's seventh seed will face second seed Agnieszka Radwanska in the last eight.

Poland's Radwanska booked her place in the quarter-finals with an equally straightforward success over Alize Cornet of France.

Li Na's straight sets victory over Aleksandra Wozniak sounds simpler than it was.

The event's top seed missed 10 match points in the final game before finally winning 6-1, 6-4 to set-up an Australian Open final rematch against Dominika Cibulkova in the quarter-finals.

Romania's Simona Halep defeated Australian Open semi-finalist Eugenie Bouchard 6-2, 1-6, 6-4. Next up for the tournament's sixth seed is Casey Dellacqua of Australia.

Wozniacki's fiancee is golfer Rory McIlroy and her startling exit from Indian Wells has left her in the rough.