Editing Clark Graebner (section)

==Grand Slam tournament performance timeline==
{{performance key|short=yes|active=no}}

===Singles===
{|class=wikitable style=text-align:center
!Tournament !!1960 !!1961 !!1962 !!1963 !!1964 !!1965 !!1966 !!1967 !!1968 !!1969 !![[1970 Grand Prix (tennis)|1970]] !![[1971 Grand Prix (tennis)|1971]] !![[1972 Grand Prix (tennis)|1972]] !![[1973 Grand Prix (tennis)|1973]] !![[1974 Grand Prix (tennis)|1974]] !![[1975 Grand Prix (tennis)|1975]]!!{{Tooltip| SR | Strike rate}}
|-
| align=left bgcolor=#efefef|[[Australian Open]]
| A
| A
| A
| A
| A
| A
| bgcolor=ffebcd|[[1966 Australian Championships – Men's singles|QF]]
| A
| A
| A
| A
| A
| A
| A
| A
| A
| bgcolor=#efefef| 0 / 1
|-
| align=left bgcolor=#efefef|[[French Open]]
| A
| A
| A
| A
| A
| A
| bgcolor=afeeee|[[1966 French Championships – Men's singles|4R]]
| A
| A
| A
| A
| A
| bgcolor=afeeee|[[1972 French Open – Men's singles|3R]]
| A
| A
| A
| bgcolor=#efefef| 0 / 2
|-
| align=left bgcolor=#efefef|[[Wimbledon Championships|Wimbledon]]
| A
| A
| A
| A
| bgcolor=afeeee|[[1964 Wimbledon Championships – Men's singles|1R]]
| bgcolor=afeeee|[[1965 Wimbledon Championships – Men's singles|2R]]
| bgcolor=afeeee|[[1966 Wimbledon Championships – Men's singles|2R]]
| bgcolor=afeeee|[[1967 Wimbledon Championships – Men's singles|4R]]
| bgcolor=yellow|[[1968 Wimbledon Championships – Men's singles|SF]]
| bgcolor=ffebcd|[[1969 Wimbledon Championships – Men's singles|QF]]
| bgcolor=ffebcd|[[1970 Wimbledon Championships – Men's singles|QF]]
| bgcolor=afeeee|[[1971 Wimbledon Championships – Men's singles|3R]]
| bgcolor=afeeee|[[1972 Wimbledon Championships – Men's singles|2R]]
| A
| bgcolor=afeeee|[[1974 Wimbledon Championships – Men's singles|1R]]
| A
| bgcolor=#efefef| 0 / 10
|-
| align=left bgcolor=#efefef|[[US Open (tennis)|US Open]]
| bgcolor=afeeee|[[1960 U.S. National Championships – Men's singles|2R]]
| bgcolor=afeeee|[[1961 U.S. National Championships – Men's singles|2R]]
| bgcolor=afeeee|[[1962 U.S. National Championships – Men's singles|1R]]
| bgcolor=afeeee|[[1963 U.S. National Championships – Men's singles|2R]]
| bgcolor=afeeee|[[1964 U.S. National Championships – Men's singles|3R]]
| bgcolor=afeeee|[[1965 U.S. National Championships – Men's singles|3R]]
| bgcolor=ffebcd|[[1966 U.S. National Championships – Men's singles|QF]]
| bgcolor=thistle|[[1967 U.S. National Championships – Men's singles|F]]
| bgcolor=yellow|[[1968 US Open – Men's singles|SF]]
| bgcolor=afeeee|[[1969 US Open – Men's singles|2R]]
| bgcolor=afeeee|[[1970 US Open – Men's singles|4R]]
| bgcolor=ffebcd|[[1971 US Open – Men's singles|QF]]
| bgcolor=afeeee|[[1972 US Open – Men's singles|3R]]
| bgcolor=afeeee|[[1973 US Open – Men's singles|1R]]
| bgcolor=afeeee|[[1974 US Open – Men's singles|3R]]
| bgcolor=afeeee|[[1975 US Open – Men's singles|1R]]
| bgcolor=#efefef| 0 / 16
|- style="font-weight:bold; background:#efefef;"
| style=text-align:left|Strike rate
| 0 / 1
| 0 / 1
| 0 / 1
| 0 / 1
| 0 / 2
| 0 / 2
| 0 / 4
| 0 / 2
| 0 / 2
| 0 / 2
| 0 / 2
| 0 / 2
| 0 / 3
| 0 / 1
| 0 / 2
| 0 / 1
| {{nowrap|0 / 29}}
|}