Wednesday's Toronto quarterfinal pits Elena Rybakina against Naomi Osaka on hard. Elena Rybakina has won 3 in a row and 6 of the last 10 overall. Naomi Osaka is 8-2 across recent matches.
There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Rybakina — real, but not the kind you take for granted at this level.