Darja Vidmanova and Jessica Bouzas Maneiro meet in the first round at US Open on Tuesday. Jessica Bouzas Maneiro has won 5 of the last 10. Darja Vidmanova has won 5 of the last 10.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. This one is close to a coin flip, and the lean toward Maneiro is exactly that — a lean.