Complex sentence: Parun played Davis Cup from 1966 to 1979 and won a string of national titles, including the Benson and Hedges Open three times in four years also the South African Open in 1976 beating Cliff Drysdale in the final.
Split into simpler sentences: Parun played Davis Cup from 1966 to 1979 and won a string of national titles, including the Benson and Hedges Open three times in four years. He won the South African Open in 1976 beating Cliff Drysdale in the final.