Veteran Chilean Felipe Aguilar shared the lead with 21-year-old Frenchman Gary Stal and Denmark's Morten Orum Madsen after they all shot 68.

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They hold a two-stroke advantage over a group of four players on 12 under that includes France's Raphael Jacquelin, and Chile's Felipe Aguilar.

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Portugal's Ricardo Santos matched Sterne's 64 to tie for third with Chile's Felipe Aguilar and South African George Coetzee, who both shot 67.

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