1975 Johannesburg • WCT 1978 Semifinal,Hamburg • ATP Masters 1000 1977 Semifinal,Hamburg • ATP Masters 1000 1979 Semifinal,Tokyo • ATP 500 1982 Semifinal,Memphis • ATP 250 1978 Final,Munich • ATP 250 1982 Final,Amersfoort • ATP 250 1982 Babak keempat,Wimbledon • Grand Slam 1980 Babak keempat,US Open • Grand Slam 1977 Babak keempat,Roland Garros • Grand Slam 1982 Perempat final,Hamburg • ATP Masters 1000 1977 Perempat final,National Bank Open • ATP Masters 1000 1982 Semifinal,Rotterdam • ATP 500 1980 Perempat final,Tokyo • ATP 500 1973 Perempat final,Barcelona • ATP 500 1978 Semifinal,Stuttgart • ATP 250 1976 Perempat final,Houston • ATP 250 1975 Semifinal,Munich • WCT 1980 Semifinal,Amersfoort • ATP 250 1980 Babak ketiga,Roland Garros • Grand Slam 1979 Babak ketiga,US Open • Grand Slam 1979 Babak ketiga,Roland Garros • Grand Slam 1978 Babak ketiga,Roland Garros • Grand Slam 1977 Babak ketiga,Wimbledon • Grand Slam 1974 Babak ketiga,Wimbledon • Grand Slam 1982 Babak ketiga,Rome • ATP Masters 1000 1982 Babak ketiga,Indian Wells • ATP Masters 1000 1976 Babak ketiga,National Bank Open • ATP Masters 1000 1975 Perempat final,Monte Carlo • ATP Masters 1000 1981 Babak ketiga,Tokyo • ATP 500