Cincinnati Western Southern Open Tennis 2024.  — mason, ohio − the cincinnati open, formerly called the western & southern open, battled multiple weather delays before charging into the weekend's.  — the cincinnati open, formerly called the western & southern open, is celebrating its 125th anniversary and 45th year in mason, ohio as the tournament heats.

2024 cincinnati • august 9, 2024.  — most of the cincinnati open campus changes will come in 2025, but some upgrades will be ready for fans next week.