Outcome No. Date Championship Surface Opponent Score
Runner-up 1. 1973 Baltimore, U.S. Hard (i) United States Jimmy Connors 4–6, 5–7
Winner 1. 1974 Baltimore, U.S. Carpet United States Clark Graebner 6–2, 6–1
Runner-up 2. 1974 Birmingham, U.S. Carpet United States Jimmy Connors 5–7, 3–6
Winner 2. 1974 Paramus, U.S. Indoor West Germany Jürgen Fassbender 6–1, 6–3
Winner 3. 1974 Jackson, U.S. Carpet West Germany Karl Meiler 7–6, 7–5
Runner-up 3. 1975 Maui, U.S. Hard United States Jimmy Connors 1–6, 0–6
Runner-up 4. 1975 Hong Kong Hard United States Tom Gorman 3–6, 1–6, 1–6
Winner 4. 1977 Little Rock, U.S. Carpet Pakistan Haroon Rahim 6–2, 6–4
Runner-up 5. 1977 San Jose, U.S. Hard Czechoslovakia Jiří Hřebec 6–3, 4–6, 5–7
Winner 5. 1977 Hampton, U.S. Carpet United States Stan Smith 4–6, 6–3, 6–2, 1–6, 6–3
Winner 6. 1977 Stockholm, Sweden Hard (i) South Africa Raymond Moore 6–2, 6–4
Winner 7. 1978 St. Louis WCT, U.S. Carpet United States Eddie Dibbs 7–6, 6–4
Runner-up 6. 1980 Surbiton, England Grass United States Brian Gottfried 3–6, 3–6
Runner-up 7. 1981 Los Angeles, U.S. Hard United States John McEnroe 7–6, 3–6, 3–6
Runner-up 8. 1981 Cologne, Germany Hard (i) Czechoslovakia Ivan Lendl 3–6, 3–6
Runner-up 9. 1981 Stockholm, Sweden Hard (i) United States Gene Mayer 4–6, 2–6
Winner 8. 1981 Bologna, Italy Carpet Romania Ilie Năstase 7–5, 6–3
Runner-up 10. 1982 Stuttgart Outdoor, Germany Clay India Ramesh Krishnan 7–5, 3–6, 3–6, 6–7
Winner 9. 1982 Cleveland, U.S. Hard United States Robert Van't Hof 7–5, 6–3
Winner 10. 1983 Gstaad, Switzerland Clay Czechoslovakia Tomáš Šmíd 6–0, 6–3, 6–2