A spot in the next round is at stake on Friday, when Ekaterina Alexandrova goes up against Marta Kostyuk in the US Open round of 32. Marta Kostyuk comes in at 7 wins from the last ten. Ekaterina Alexandrova comes in at 6 wins from the last ten.

Marta Kostyuk is clearly higher-rated on hard — our number puts Kostyuk around 67%. The edge belongs to Kostyuk — real, but not the kind you take for granted at this level.