1973 Viceroy Classic

The 1973 Viceroy Classic, also known as the Hong Kong Open, was a men's tennis tournament played on outdoor hard courts in Hong Kong. It was the inaugural edition of the event and was held from 29 October through 4 November 1973. The tournament was part of the Grade C tier of the 1973 Grand Prix tennis circuit. Rod Laver won the singles title.

Singles
🇦🇺 Rod Laver defeated 🇺🇸 Charlie Pasarell 6–3, 3–6, 6–2, 6–2
 * It was Laver's 6th singles title of the year and the 61st of his career in the Open Era.

Doubles
🇦🇺 Colin Dibley / 🇦🇺 Rod Laver defeated 🇺🇸 Paul Gerken / 🇺🇸 Brian Gottfried 6–3, 5–7, 17–15