Published: Oct 15, 2011 6:23 PM EDT
Updated: Oct 16, 2011 6:30 AM EDT

VILAMOURA, Portugal (AP) - Rafael Cabrera-Bello of Spain shot an 8-under 64 Saturday, giving him a one-stroke lead after three rounds of the Portugal Masters.

Cabrera-Bello had two eagles and five birdies, leaving him at 18-under 198 entering Sunday's final round at the Oceanico Victoria course in the Algarve.

Christian Nilsson of Sweden (66) and Felipe Aguilar of Chile (67) are a shot back. Peter Hanson of Sweden put himself in contention with a 64 and is two strokes behind with Thomas Bjorn of Denmark.

South Africa's Hennie Otto had a 63 for the day's best score and is four back.