Sunday's French Open round of 16 pits Casper Ruud against Joao Fonseca on clay. Casper Ruud has won 5 in a row and 8 of the last 10 overall. Joao Fonseca has won 6 in a row and 7 of the last 10 overall.
Joao Fonseca has had the better of this rivalry, winning 1 of 1 against Casper Ruud. On clay specifically it reads 1-0 Fonseca — worth more than the overall number this week.
Casper Ruud is clearly higher-rated on clay — our number puts Ruud around 51%. Little separates them; Ruud gets the nod on the finest of margins.