1978 Colgate-Palmolive Masters

The 1978 Masters (also known as the 1978 Colgate-Palmolive Masters for sponsorship reasons) was a men's tennis tournament played on indoor carpet courts in Madison Square Garden, New York City, United States between 10 January and 14 January 1979. It was the year-end championship of the 1978 Grand Prix circuit tour. John McEnroe won the singles title.

Singles
🇺🇸 John McEnroe defeated 🇺🇸 Arthur Ashe, 6–7, 6–3, 7–5
 * It was McEnroe's 1st singles title of the year and the 5th of his career.

Doubles
🇺🇸 John McEnroe / 🇺🇸 Peter Fleming defeated Tom Okker / 🇵🇱 Wojtek Fibak 6–4, 6–2, 6-4