Friday's French Open round of 32 pits Joao Fonseca against Novak Djokovic on clay. Novak Djokovic has won 7 of the last 10. Joao Fonseca is rolling — 5 straight wins, 7 of 10 in recent play.
Joao Fonseca 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 Fonseca — worth more than the overall number this week.
There's a wide gap in our ratings on clay, and our number follows from it. The edge belongs to Djokovic — real, but not the kind you take for granted at this level.