Elena Rybakina and Iga Swiatek meet in the quarterfinal at Cincinnati on Thursday. Elena Rybakina brings a 4-match winning streak into this one, 8-2 across the last ten. Iga Swiatek is rolling — 9 straight wins, 9 of 10 in recent play.

Rybakina's 70% behind the first serve (against 63.9% for Swiatek) means break chances should be scarce in one direction. This one is close to a coin flip, and the lean toward Rybakina is exactly that — a lean.