1973 Cleveland Tennis Classic

The 1973 Cleveland Tennis Classic, also known as the Cleveland WCT, was a men's tennis tournament held on indoor carpet courts in Cleveland, Ohio in the United States that was part of the Group B circuit of the World Championship Tennis. It was the second edition of the tournament and was held between April 9 and April 15, 1973. Fifth-seeded Ken Rosewall won the singles title and earned $10,000 first-prize money as well as 10 WCT ranking points.

Singles
🇦🇺 Ken Rosewall defeated 🇬🇧 Roger Taylor 6–3, 6–4
 * It was Rosewall's 2nd singles title of the year and the 30th of his career in the Open Era.

Doubles
🇦🇺 Ken Rosewall / 🇦🇺 Fred Stolle defeated 🇪🇬 Ismail El Shafei / 🇳🇿 Brian Fairlie 6–2, 6–3