Friday's Guangzhou quarterfinal pits Jil Teichmann against Kaitlin Quevedo on hard. Kaitlin Quevedo has won 8 of the last 10. Jil Teichmann has won 8 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 Quevedo is exactly that — a lean.