Thursday's Cincinnati quarterfinal pits Elena Rybakina against Iga Swiatek on hard. Elena Rybakina has won 4 in a row and 8 of the last 10 overall. Iga Swiatek has won 9 in a row and 9 of the last 10 overall.
Hold strength tells the story — 70% versus 63.9% on first-serve points in Rybakina's favor. Little separates them; Rybakina gets the nod on the finest of margins.