Tuesday's Sion (Switzerland) round of 32 pits Dimitar Kuzmanov against Marvin Moeller on clay. Marvin Moeller comes in at 8 wins from the last ten. Dimitar Kuzmanov comes in at 4 wins from the last ten.

The serve is where this match separates: Moeller has been winning 67.5% of first-serve points to Kuzmanov's 64.1%, and on clay that gap compounds fast. Moeller should have enough here, though Kuzmanov has the tools to make the scoreboard uncomfortable.