Saturday's Seoul quarterfinal pits Alina Korneeva against Taylah Preston on hard. Alina Korneeva has won 5 of the last 10. Taylah Preston is 7-3 across recent matches.

The serve is where this match separates: Korneeva has been winning 63.7% of first-serve points to Preston's 59.4%, and on hard that gap compounds fast. Little separates them; Korneeva gets the nod on the finest of margins.