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It was the third edition of the tournament and second edition of the event held in 1972 the other being held from 21 to 28 February that was won by Stan Smith. This edition was held from December 7 through December 10, 1972. The tournament utilized a distinct scoring system with points instead of the common 0-15-30-40 and a game was won by the first player to reach four points. The singles titles were won by Charlie Pasarell and Virginia Wade.
Janoff, Murray (20 February 1971). "The Clean Air Classic". St Louis Sporting News. St Louis: Misplaced Pages Library - Newspaper Archive. Com. p. 28. Retrieved 6 October 2023.
"Stan Smith Wins Clean Air Tennis Crown". Modesto Bee And News Herald. Modesto, California: Misplaced Pages Library - Newspaper Archive. Com. 28 February 1972. p. 17. Retrieved 6 October 2023.