Leylah Fernandez and Mananchaya Sawangkaew meet in the round of 64 at US Open on Wednesday. Leylah Fernandez comes in at 5 wins from the last ten. Mananchaya Sawangkaew has won 6 of the last 10.

Leylah Fernandez simply rates much higher on hard, and our number follows from it. Little separates them; Fernandez gets the nod on the finest of margins.