Patricio Cornejo Doubles titles (8) Doubles titles (8)

| Outcome | Date_ | Tournament | Surface | Partner | Opponents_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|---|
| Runner-up | 1972 | French Open, Paris | Clay | Jaime Fillol | Bob Hewitt Frew McMillan | 3–6, 6–8, 6–3, 1–6 |
| Runner-up | 1972 | Indianapolis, U.S. | Clay | Jaime Fillol | Bob Hewitt Frew McMillan | 2–6, 3–6 |
| Runner-up | 1973 | Buenos Aires, Argentina | Clay | Iván Molina | Ricardo Cano Guillermo Vilas | 6–7, 3–6 |
| Runner-up | 1974 | Washington D.C., U.S. | Clay | Jaime Fillol | Tom Gorman Marty Riessen | 5–7, 1–6 |
| Runner-up | 1974 | U.S. Open, New York | Grass | Jaime Fillol | Robert Lutz Stan Smith | 3–6, 3–6 |
| Runner-up | 1974 | Buenos Aires, Argentina | Clay | Jaime Fillol | Manuel Orantes Guillermo Vilas | 4–6, 3–6 |
| Winner | 1975 | Charlotte, U.S. | Clay | Jaime Fillol | Ismail El Shafei Brian Fairlie | 6–3, 5–7, 6–4 |
| Winner | 1976 | Berlin, Germany | Hard | Julien Munoz | Jürgen Fassbender Hans-Jürgen Pohmann | 7–5, 6–1 |