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.

Ilie Năstase was the defending champion, but did not participate this year.

Draw

Finals

Group A 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.

Group B 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.

See also ATP World Tour Finals appearances

References