The high-profile encounter is a byproduct of the strength of the field _ nine of the top 10 players in the WTA rankings are entered in tournament which begins Sunday.
Top-ranked Caroline Wozniacki, and Wimbledon champion and second-seeded Petra Kvitova have first-round byes.
Juan Martin del Potro, top-seeded in the men’s draw, No. 2 John Isner, third-seeded Richard Gasquet and No. 4 Feliciano Lopez have first-round byes.