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Rio de Janeiro, Brazil (Sports Network) - Pornanong Phatlum and Karine Icher both fired rounds of seven-under 66 on Saturday to share the first-round lead of the Brasil Cup.

The pair owns a one-shot cushion at Itanhanga Golf Club in this two-day, unofficial event.

Katie Futcher is alone in third place at six-under 67, followed by world No. 3 Suzann Pettersen, Brittany Lang and Candie Kung. That trio is tied for fourth at five-under 68.

Paula Creamer, the only other top-10 player in the world in the field this week besides Pettersen, shot a four-under 69 and is knotted in seventh with fellow American Christina Kim.

Defending champion Mariajo Uribe opened with an even-par 73.

MORE TO FOLLOW.