Monday's US Open round of 16 pits Anna Kalinskaya against Emma Navarro on hard. Anna Kalinskaya has won 3 in a row and 7 of the last 10 overall. Emma Navarro brings a 3-match winning streak into this one, 6-4 across the last ten.

Anna Kalinskaya simply rates much higher on hard, and our number follows from it. The edge belongs to Kalinskaya — real, but not the kind you take for granted at this level.