Sunday's Winston-Salem round of 64 pits Francisco Comesana against Yibing Wu on hard. Yibing Wu has won 3 of the last 10. Francisco Comesana has dropped 2 straight and sits at 5-5 over the last ten.

Yibing Wu is clearly higher-rated on hard — our number puts Wu around 65%. The edge belongs to Wu — real, but not the kind you take for granted at this level.