He won the Spanish Open three times in his career , but the highlights of his career were winning the US Open in Forest Hills , when he defeated the top seeded Jimmy Connors in three straight sets on September 7, 1975 , and winning the Masters in Houston in 1976. Orantes won a total of 33 singles and 22 doubles titles. On August 23, 1973 he was led to position two in the world rankings.