Editing Clark Graebner (section)

===Singles: 20 (12 wins, 8 losses)===

{| class="sortable wikitable"
!style="width:40px"|Result
!style="width:30px" class="unsortable"|W/L 
!style="width:40px"|Date
!style="width:160px"|Tournament
!style="width:50px"|Surface
!style="width:170px"|Opponent
!style="width:150px" class="unsortable"|Score
|-
| style="background:#98fb98;"|Win
| 1.
| 1965
| [[Victorian Championships]]<br/> Kooyong Stadium, Australia
| grass
| {{Flagicon|AUS}} [[Roy Emerson]]
| 8–6, 7–5, 2–6, 1–6, 6–1
|-
| style="background:#98fb98;"|Win
| 2.
| 1966
| [[Pennsylvania Lawn Tennis Championship|Merion]], U.S.
| grass
| {{Flagicon|USA}} Stan Smith
| 6–3, 6–4, 6–3
|-
|-style="background:#ccf;"
| style="background:#ffa07a;"|Loss
| 1.
| 1967
| U.S. National Championships, Forest Hills, N.Y.
| grass
| {{Flagicon|AUS}} John Newcombe
| 4–6, 4–6, 6–8
|-
|-style="background:#ccf;"
| style="background:#98fb98;"|Win
| 5.
| 1968
| [[U.S. Men's Clay Court Championships|U.S. Clay Court Championships, Milwaukee, U.S.]]
| Clay
| {{Flagicon|USA}} Stan Smith
| 6–3, 7–5, 6–0
|-
| style="background:#98fb98;"|Win
| 6.
| 1969
| [[Richmond WCT]], Richmond, U.S.
| Indoor
| {{Flagicon|BRA}} [[Thomaz Koch]]
| 6–3, 10–12, 9-7
|-
| style="background:#98fb98;"|Win
| 7.
| 1969
| New York City Indoor<br/>New York City, U.S.
| Indoor
| {{Flagicon|USA}} Charlie Pasarell
| 6–2, 6–2
|-
|-style="background:#ccf;"
| style="background:#98fb98;"|Win
| 8.
| 1969
| U.S. Hard Court Championships, Sacramento, U.S.
| Hard
| {{Flagicon|USA}} Erik Van Dillen
| 6–4, 3–6, 4–6, 6–0, 7-5
|-
| style="background:#98fb98;"|Win
| 9.
| 1969
| [[Southampton Invitation]], Southampton, U.S.
| Grass
| {{Flagicon|USA}} Bob Lutz
| 6–2, 6–2, 6–4
|-
| style="background:#98fb98;"|Win
| 10.
| 1970
| [[River Oaks International Tennis Tournament|Houston]], U.S.
| Clay
| {{Flagicon|USA}} Cliff Richey
| 2–6, 6–3, 5–7, 6–3, 6-2
|-
| style="background:#ffa07a;"|Loss
| 2.
| 1971
| New York City Indoor<br/>New York City, U.S.
| Indoor
| {{Flagicon|YUG}} [[Željko Franulović]]
| 2–6, 7–5, 4–6
|-
|-style="background:#ccf;"
| style="background:#98fb98;"|Win
| 11.
| 1971
| U.S. Indoor Championships, [[ATP Memphis|Salisbury]], U.S.
| Indoor (i)
| {{Flagicon|USA}} [[Cliff Richey]]
| 2–6, 7–6, 1–6, 7–6, 6–0
|-
| style="background:#ffa07a;"|Loss
| 3.
| 1971
| [[Hampton Grand Prix|Hampton]], U.S.
| Hard (i)
| {{Flagicon|ROU|1965}} [[Ilie Năstase]]
| 5–7, 4–6, 6–7
|-
| style="background:#ffa07a;"|Loss
| 4.
| 1971
| [[River Oaks International Tennis Tournament|Houston]], U.S.
| Clay
| {{Flagicon|USA}} Cliff Richey
| 1–6, 2–6, 2–6
|-
| style="background:#98fb98;"|Win
| 12.
| 1971
| [[Pennsylvania Lawn Tennis Championship|Merion]], U.S.
| Hard
| {{Flagicon|USA}} [[Dick Stockton (tennis)|Dick Stockton]]
| 6–2, 6–4, 6–7, 7–5
|-
| style="background:#98fb98;"|Win
| 13.
| 1971
| [[South Orange Open|South Orange]], U.S.
| Grass
| {{Flagicon|FRA}} [[Pierre Barthès]]
| 6–3, 6–4, 6–4
|-
| style="background:#ffa07a;"|Loss
| 5.
| 1972
| [[1972 Rothmans International Tennis Tournament|Royal Albert Hall Indoor]], England
| Hard (i)
| {{Flagicon|USA}} Cliff Richey
| 5–7, 7–6, 5–7, 0–6
|-
| style="background:#ffa07a;"|Loss
| 6.
| 1972
| [[Jacksonville Open (tennis)|Jacksonville]], U.S.
| Hard (i)
| {{Flagicon|USA}} [[Jimmy Connors]]
| 5–7, 4–6
|-
| style="background:#98fb98;"|Win
| 14.
| 1973
| [[Des Moines Open|Des Moines]], U.S.
| Hard (i)
| {{Flagicon|GRE}} [[Nicholas Kalogeropoulos]]
| 7–5, 4–6, 6–4
|-
| style="background:#ffa07a;"|Loss
| 7.
| 1973
| Paramus, New Jersey, U.S.
| Hard (i)
| {{Flagicon|USA}} Jimmy Connors
| 1–6, 2–6
|-
| style="background:#ffa07a;"|Loss
| 8.
| 1974
| [[Baltimore WCT|Baltimore]], U.S.
| Carpet
| {{Flagicon|USA}} [[Sandy Mayer]]
| 2–6, 1–6
|}