A spot in the next round is at stake on Tuesday, when Adam Walton goes up against Jaime Faria in the Cincinnati round of 32. Adam Walton has won 6 of the last 10. Jaime Faria is 5-5 across recent matches.

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 Walton is exactly that — a lean.