A spot in the next round is at stake on Wednesday, when Daria Kasatkina goes up against Elena Rybakina in the Toronto round of 64. Elena Rybakina comes in at 6 wins from the last ten. Daria Kasatkina has dropped 2 straight and sits at 5-5 over the last ten.
The serve is where this match separates: Rybakina has been winning 70.1% of first-serve points to Kasatkina's 59%, and on hard that gap compounds fast. Kasatkina needs several things to break right at once; the percentages say they usually don't.