Vitas Gerulaitis Singles: 55 (25–30) Singles: 55 (25–30)

| Outcome | Date_ | Championship | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Winner | 1975 | St. Louis , US | Clay | Roscoe Tanner | 2–6, 6–2, 6–3 |
| Runner-up | 1975 | Bermuda | Clay | Jimmy Connors | 1–6, 4–6 |
| Runner-up | 1976 | Indianapolis WCT , US | Carpet | Arthur Ashe | 2–6, 7–6 (8–6) , 4–6 |
| Runner-up | 1976 | Toronto Indoor WCT , Canada | Carpet | Björn Borg | 6–2, 3–6, 1–6 |
| Runner-up | 1976 | Charlotte WCT , US | Carpet | Tony Roche | 3–6, 6–3, 1–6 |
| Runner-up | 1977 | Richmond WCT , US | Carpet | Tom Okker | 6–3, 3–6, 4–6 |
| Winner | 1977 | Ocean City , US | Hard | Robert Lutz | 3–6, 6–1, 6–2 |
| Runner-up | 1977 | Monterrey WCT , Mexico | Carpet | Wojtek Fibak | 4–6, 3–6 |
| Runner-up | 1977 | London WCT , UK | Hard (i) | Eddie Dibbs | 6–7 (2–7) , 7–6 (7–5) , 4–6 |