Daniil Medvedev and Valentin Royer meet in the round of 16 at Hangzhou on Saturday. Daniil Medvedev comes in at 5 wins from the last ten. Valentin Royer comes in at 7 wins from the last ten.
Medvedev's 72.8% behind the first serve (against 26.2% for Royer) means break chances should be scarce in one direction. Royer needs several things to break right at once; the percentages say they usually don't.