BNP Paribas Open Women's Tennis Update - Mar 12 Indian Wells Tennis Garden, Indian Wells, California Total Prize Money: $5,185,625 TUESDAY'S FOURTH ROUND MATCHES Victoria Azarenka (1) def. Urszula Radwanska, 6-3, 6-1
Maria Sharapova (2) def. Lara Arruabarrena-Vecino, 7-5, 6-0
Maria Kirilenko (13) def. Agnieszka Radwanska (3), 6-1, 4-6, 7-5
Angelique Kerber (4) def. Garbine Muguruza, 6-4, 7-5
Petra Kvitova (5) def. Klara Zakopalova (19), 6-2, 6-3
Sara Errani (6) def. Marion Bartoli (9), 6-3, 6-2
Samantha Stosur (7) def. Mona Barthel (24), 4-6, 6-2, 6-3
Caroline Wozniacki (8) def. Nadia Petrova (10), 7-6 (7-3), 6-3
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