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 title at the 1978 Colgate-Palmolive Masters. McEnroe saved two match points at 4-5 in the third set.
Jimmy Connors was the defending champion, but lost in the round-robin.