The three Indians girls in the field, Vani Kapoor, Neha Tripathi and Amandeep Drall missed the second round cut.
The 29-year-old from the nearby village of San Pedro Alcantara, who had been winning tournaments at the club since the age of nine, carded rounds of 68-64-67 and 69 to finish two strokes clear of Carlota Ciganda and Lee-Anne Pace and win on a total of 19-under-par, with former Ryder Cup player Miguel Angel Jimenez watching on.
Suzann Pettersen, who has just overcome a back injury, was tied for seventh position with Justine Dreher, Nicole Garcia, Camilla Lennarth and rising star Frida Kinhult.
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