Here's everything you need to know about the 2024 Cincinnati Open. ... 2020), Grigor Dimitrov (2017), Caroline Garcia (2022), Madison Keys (2019) and Alexander Zverez (2021).

Coco Gauff’s defense of her Cincinnati Open title didn’t get past the first round as the American was surprisingly defeated 6-4 2-6 6-4 by Yulia Putintseva.