A spot in the next round is at stake on Saturday, when Coco Gauff goes up against Marta Kostyuk in the Cincinnati quarterfinal. Coco Gauff is 8-2 across recent matches. Marta Kostyuk is rolling — 3 straight wins, 8 of 10 in recent play.
Coco Gauff is clearly higher-rated on hard — our number puts Gauff around 50%. This one is close to a coin flip, and the lean toward Gauff is exactly that — a lean.