Sunday's French Open first round pits Belinda Bencic against Sinja Kraus on clay. Belinda Bencic has won 6 of the last 10. Sinja Kraus limps in on a 5-match losing skid, just 3 wins in 10.

Belinda Bencic leads the head-to-head 1-0, and history has a way of mattering in matchups like this one. On clay specifically it reads 1-0 Bencic — worth more than the overall number this week.

Belinda Bencic simply rates much higher on clay, and our number follows from it. Kraus needs several things to break right at once; the percentages say they usually don't.