 Rock Sand avoided Zinfandel for the remainder of the season and was unbeaten in his remaining five races.He won the Hardwicke Stakes at Royal Ascot, beating Sceptre for the first time.He was then an easy, odds-on winner of the £10,000 Princess of Wales's Stakes at Newmarket on 30 June from Saltpetre (who won the Goodwood Cup on his next start) and William Rufus.