Gracheva bounces back to beat Kostyuk, make 1st WTA SF: Chicago Highlights
Varvara Gracheva recovered after missing five set points and losing a 5-2 lead in the first set to upset eighth seed Marta Kostyuk in the Chicago Women's Open quarterfinals. The match was spread over two days and was Gracheva's second win in five meetings against Kostyuk.