The 1974 Western Championships, also known as the Cincinnati Open, was a men's tennis tournament played on indoor carpet courts at the Cincinnati Convention Center in Cincinnati, Ohio in the United States that was part of the 1974 Commercial Union Assurance Grand Prix. The tournament was held from July 31 until August 4, 1974. It was the only time in the history of the tournament to date that it was played indoor. For the first time since 1919 the tournament did not organize a women's competition. First-seeded Marty Riessen won the singles title and earned $8,000 first-prize money. It was his third singles title at the Cincinnati Open and his first at the Western Championships after five previous losses in the final.
Marty Riessen defeated Robert Lutz 7âÂÂ6<sup>(8âÂÂ6)</sup>, 7âÂÂ6<sup>(7âÂÂ5)</sup>
Dick Dell / Sherwood Stewart defeated Jim Delaney / John Whitlinger 4âÂÂ6, 7âÂÂ6, 6âÂÂ2