Sunday's US Open round of 16 pits Jessica Pegula against Sorana Cirstea on hard. Jessica Pegula brings a 3-match winning streak into this one, 8-2 across the last ten. Sorana Cirstea has won 3 in a row and 6 of the last 10 overall.

Jessica Pegula is clearly higher-rated on hard — our number puts Pegula around 66%. Expect resistance, but the match-level math tilts clearly toward Pegula.