1980 Semi final,National Bank Open • ATP Masters 1000 1981 4th round,Wimbledon • Grand Slam 1978 Quarter final,Australian Open • Grand Slam 1979 Quarter final,National Bank Open • ATP Masters 1000 1980 Semi final,Bastad • ATP 250 1978 Quarter final,Sydney • ATP 250 1976 Quarter final,Hong Kong • ATP 250 1976 Quarter final,Sydney • ATP 250 1974 Semi final,Hilversum • ATP 250 1974 Semi final,Amersfoort • ATP 250 1980 Semi final,Rolex Paris Masters • ATP Masters 1000 1981 3rd round,Australian Open • Grand Slam 1977 3rd round,Wimbledon • Grand Slam 1975 3rd round,Wimbledon • Grand Slam 1975 3rd round,French Open • Grand Slam 1981 3rd round,Indian Wells • ATP Masters 1000 1978 3rd round,National Bank Open • ATP Masters 1000 1975 3rd round,National Bank Open • ATP Masters 1000 1975 3rd round,Sydney • ATP 500 1974 3rd round,Washington • ATP 500 1976 Quarter final,Newport • ATP 250 1974 Quarter final,Melbourne • ATP 250 1974 3rd round,Houston • ATP 250 1973 3rd round,Los Angeles • ATP 250 1974 Quarter final,Adelaide • ATP 250 1979 2nd round,Australian Open • Grand Slam 1974 2nd round,French Open • Grand Slam 1975 2nd round,Hamburg • ATP Masters 1000 1975 2nd round,Monte Carlo • ATP Masters 1000 1981 2nd round,Queen's • ATP 500