| Singles | |
|---|---|
| 1976 Commercial Union Assurance Masters | |
| Champion |  Manuel Orantes |
| Runner-up |  Wojciech Fibak |
| Score | 5–7, 6–2, 0–6, 7–6(7–1), 6–1 |
| Draw | 8 |
Manuel Orantes defeated Wojciech Fibak in the final, 5–7, 6–2, 0–6, 7–6(7–1), 6–1 to win the singles title at the 1976 Commercial Union Assurance Masters. Fibak had served for a four-set win. [1]
Ilie Năstase was the defending champion, but did not participate this year. [2]
| Semifinals | Final | ||||||||||||||||
 Harold Solomon | 4 | 3 | 4 | ||||||||||||||
| Manuel Orantes | 6 | 6 | 6 | ||||||||||||||
| Manuel Orantes | 5 | 6 | 0 | 77 | 6 | ||||||||||||
| Wojciech Fibak | 7 | 2 | 6 | 61 | 1 | ||||||||||||
 Guillermo Vilas | 2 | 2 | 7 | 6 | 6 | ||||||||||||
| Wojciech Fibak | 6 | 6 | 5 | 3 | 8 | ||||||||||||
| Solomon | Gottfried |  Ramírez | Vilas | RR W–L | Set W–L | Game W–L | Standings | ||
| Harold Solomon | 6–4, 6–2 | 6–2, 6–2 | 3–6, 6–4, 4–6` | 2–1 | 5–2 | 37–26 | 2 | ||
| Brian Gottfried | 4–6, 2–6 | 4–6, 6–3, 6–0 | 6–3, 2–6, 6–4 | 2–1 | 4–4 | 36–34 | 3 | ||
| Raúl Ramírez | 2–6, 2–6 | 6–4, 3–6, 0–6 | 6–7, 6–2, 5–7 | 0–3 | 2–6 | 30–44 | 4 | ||
| Guillermo Vilas | 6–3, 4–6, 6–4 | 3–6, 6–2, 4–6 | 7–6, 2–6, 7–5 | 2–1 | 5–4 | 45–44 | 1 |
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.
| Fibak | Orantes | Dibbs | Tanner | RR W–L | Set W–L | Game W–L | Standings | ||
| Wojciech Fibak | 7–5, 7–6 | 6–2, 6–4 | 6–7, 3–6 | 2–1 | 4–2 | 35–30 | 2 | ||
| Manuel Orantes | 5–7, 6–7 | 6–4, 6–2 | 7–6, 6–3 | 2–1 | 4–2 | 36–29 | 1 | ||
| Eddie Dibbs | 2–6, 4–6 | 4–6, 2–6 | 6–4, 7–5 | 1–2 | 2–4 | 25–33 | 3 | ||
| Roscoe Tanner | 7–6, 6–3 | 6–7, 3–6 | 4–6, 5–7 | 1–2 | 2–4 | 31–35 | 4 |
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.