Juan Martin Del Potro of Argentina hits a forehand return during his loss to Lleyton Hewitt of Australia in the final of the Kooyong Classic in Melbourne on Saturday. Photo: AFP
Juan Martin Del Potro of Argentina hits a forehand return during his loss to Lleyton Hewitt of Australia in the final of the Kooyong Classic in Melbourne on Saturday. Photo: AFP

Hewitt beats del Potro to win Kooyong title