Tuesday's Seoul round of 32 pits Alina Charaeva against Sofia Kenin on hard. Sofia Kenin comes in at 3 wins from the last ten. Alina Charaeva has won 5 of the last 10.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. This one is close to a coin flip, and the lean toward Kenin is exactly that — a lean.