1978 Colgate-Palmolive Masters – Singles
| Singles | |
|---|---|
| 1978 Colgate-Palmolive Masters | |
| Champion | John McEnroe |
| Runner-up | Arthur Ashe |
| Score | 6–7(5–7), 6–3, 7–5 |
| Draw | 8 |
John McEnroe defeated Arthur Ashe in the final, 6–7(5–7), 6–3, 7–5 to win the singles tennis title at the 1978 Colgate-Palmolive Masters. McEnroe saved two championships points, at 4–5 in the third set, en route to his first year-end championships title.
Jimmy Connors was the defending champion, but lost in the round-robin.