This 8-player exhibition tournament, is one of the final tune-ups prior to the US Open.
The German will advance to the quarterfinals of the Citi Open
The German reached her third semifinal at Wimbledon
The Belarus native will face Jelena Ostapenko next.
The two former players will be inducted into the International Tennis Hall of Fame on July 21.
The crown jewel of the grass season begins next week in London
Thiem defeats Cecchinato 7-5, 7-6, 6-1 for first Slam Final
The World Number One continued her quest for a maiden grand slam title after a 7-5 6-0 win against Andrea Petkovic
The 23-time Grand Slam Champion defeated Kristyna Pliskova 7-6, 6-4 in the first round of the French Open