Daniel Vallejo and Matteo Berrettini meet in the round of 16 at Tokyo on Saturday. Matteo Berrettini is 6-4 across recent matches. Daniel Vallejo has won 5 of the last 10.

The serve is where this match separates: Berrettini has been winning 76.2% of first-serve points to Vallejo's 65.2%, and on hard that gap compounds fast. Berrettini should have enough here, though Vallejo has the tools to make the scoreboard uncomfortable.