Carlos Kirmayr Singles finals 5 (0-5) Singles finals 5 (0-5)

| Outcome | Date_ | Championship | Surface | Opponent_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|
| Runner-up | 1976 | Santiago, Chile | Clay | José Higueras | 7–5, 4–6, 4–6 |
| Runner-up | 1979 | Cairo , Egypt | Clay | Peter Feigl | 5–7, 6–3, 1–6 |
| Runner-up | 1980 | Bogotá , Colombia | Clay | Dominique Bedel | 4–6, 6–7 |
| Runner-up | 1981 | Forest Hills , U.S. | Clay | Eddie Dibbs | 3–6, 2–6 |
| Runner-up | 1982 | Guarujá , Brazil | Clay | Van Winitsky | 3–6, 3–6 |