An in-depth look at the eight Cincinnati Open quarterfinalists, how they got here and what to expect (and watch for) as they play for a spot in the semifinals.

On the men's side, there is one Round of 16 spot still up for grabs when No. 5 seed Ben Shelton faces No. 22 seed Jiri Lehecka on the Grandstand Court. Cincinnati Open Aryna Sabalenka ...