Sunday's French Open first round pits Federico Cina against Reilly Opelka on clay. Reilly Opelka limps in on a 2-match losing skid, just 5 wins in 10. Federico Cina has dropped 5 straight and sits at 2-8 over the last ten.

Federico Cina has had the better of this rivalry, winning 1 of 1 against Reilly Opelka. On clay specifically it reads 1-0 Cina — worth more than the overall number this week.

Hold strength tells the story — 78.8% versus 67.1% on first-serve points in Opelka's favor. Anything other than a Opelka win would rank among the bigger surprises of the week.