Saturday's US Open round of 32 pits Anna Kalinskaya against Elina Svitolina on hard. Elina Svitolina has won 7 of the last 10. Anna Kalinskaya is rolling — 3 straight wins, 7 of 10 in recent play.
Elina Svitolina is clearly higher-rated on hard — our number puts Svitolina around 61%. The edge belongs to Svitolina — real, but not the kind you take for granted at this level.