Peter Feigl Singles titles (4) Singles titles (4)

| Outcome | Date_ | Championship | Surface | Opponent_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|
| Winner | 1978 | Cleveland , U.S. | Hard | Van Winitsky | 4–6, 6–3, 6–3 |
| Runner-up | 1978 | Manila , Philippines | Clay | Yannick Noah | 6–7, 0–6 |
| Runner-up | 1979 | Auckland , New Zealand | Hard | Tim Wilkison | 3–6, 6–4, 4–6, 6–2, 2–6 |
| Winner | 1979 | Linz , Austria | Hard (i) | Hans Kary | 6–3, 6–4, 7–6 |
| Runner-up | 1979 | Lagos , Nigeria | Hard | Hans Kary | 4–6, 6–3, 2–6 |
| Winner | 1979 | Cairo , Egypt | Clay | Carlos Kirmayr | 7–5, 3–6, 6–1 |
| Winner | 1980 | Lagos , Nigeria | Clay | Welry Fritz | 6–2, 6–3, 6–2 |