1977 Perempat final,Wimbledon • Grand Slam 1976 Semi final,Granby • ATP 250 1975 Semi final,Cincinnati • ATP Masters 1000 1976 Perempat final,Stockholm • ATP 250 1976 Perempat final,Düsseldorf • ATP 250 1970 Putaran 3,Wimbledon • Grand Slam 1980 Putaran 3,Indian Wells • ATP Masters 1000 1977 Perempat final,Wina • ATP 500 1977 Putaran 3,Queen's • ATP 500 1977 Putaran 3,Memphis • ATP 250 1976 Putaran 3,Los Angeles • ATP 250 1970 Putaran 3,Tampere • ATP 250 1977 Perempat final,Rolex Paris Masters • ATP Masters 1000 1977 Putaran 2,Roland Garros • Grand Slam 1976 Putaran 2,Roland Garros • Grand Slam 1975 Putaran 2,Wimbledon • Grand Slam 1971 Putaran 2,Wimbledon • Grand Slam 1977 Putaran 2,Hamburg • ATP Masters 1000 1976 Putaran 2,National Bank Open • ATP Masters 1000 1976 Putaran 2,Cincinnati • ATP Masters 1000 1974 Putaran 2,Cincinnati • ATP Masters 1000 1977 Putaran 2,Washington • ATP 500 1977 Putaran 2,Stockholm • ATP 250 1977 Putaran 2,Granby • ATP 250 1976 Putaran 2,Houston • ATP 250 1970 Putaran 2,Roma • ATP 250