1973 Newport • ATP 250 1971 Palermo • ATP 250 1973 Semi final,Wimbledon • Grand Slam 1970 Semi final,Wimbledon • Grand Slam 1973 Final,Queen's • ATP 500 1973 Copenhagen • WCT 1968 Port Elizabeth • WCT 1970 Final,Amersfoort • ATP 250 1973 Quarter final,French Open • Grand Slam 1970 Semi final,Australian Open • Grand Slam 1970 Final,National Bank Open • ATP Masters 1000 1969 Final,Amersfoort • ATP 250 1971 4th round,US Open • Grand Slam 1969 4th round,US Open • Grand Slam 1975 Quarter final,Hamburg • ATP Masters 1000 1971 Quarter final,National Bank Open • ATP Masters 1000 1971 Semi final,Monte Carlo • ATP Masters 1000 1969 4th round,Queen's • ATP 500 1974 Semi final,Bologna • WCT 1973 Semi final,Washington • WCT 1972 Quarter final,Stockholm • ATP 250 1972 Semi final,Houston • WCT 1970 Semi final,Gstaad • ATP 250 1968 4th round,Los Angeles • ATP 250 1975 3rd round,French Open • Grand Slam 1971 3rd round,Australian Open • Grand Slam 1970 3rd round,US Open • Grand Slam 1968 3rd round,US Open • Grand Slam 1973 3rd round,Rome • ATP Masters 1000 1971 3rd round,Rome • ATP Masters 1000