Related:On Site: The Ultimate Planning Guide For Trade Shows in San AntonioThe rendering of what the outside of the Duke Energy Convention Center will look like when construction is completed in Janaury 2026. On Aug. 26, 2024, one week after the 2024 final of the Cincinnati Open, work began on $260 million renovation of the 40-acre campus. With more than 125 years of history, the Cincinnati Open is known for its world-class facilities and passionate fan base. Located on the banks of the Ohio River in downtown Cincinnati, Great American Ball Parkserves as the home of the Cincinnati Reds. The Cincinnati Open, formerly known as the Western & Southern Open, is one of the oldest and most prestigious tennis tournaments in the U.S.