Under the Modified Stableford scoring system, Rocha amassed his point total with an eagle, seven birdies and three bogeys at Montreux Golf and Country Club.
Andres Romero, who was a co-leader after the first round, fell into a fourth-place tie with a 7-point performance Friday. He finished knotted with Arjun Atwal (14) at 21 points.
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