Elina Svitolina and Qinwen Zheng meet in the quarterfinal at Beijing on Friday. Elina Svitolina has won 3 in a row and 7 of the last 10 overall. Qinwen Zheng brings a 3-match winning streak into this one, 7-3 across the last ten.

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 Svitolina is exactly that — a lean.