Lorenzo Sonego and Vit Kopriva meet in the round of 64 at Winston-Salem on Monday. Lorenzo Sonego comes in at 5 wins from the last ten. Vit Kopriva comes in at 3 wins from the last ten.

The serve is where this match separates: Sonego has been winning 71.9% of first-serve points to Kopriva's 66.5%, and on hard that gap compounds fast. This one is close to a coin flip, and the lean toward Sonego is exactly that — a lean.