Grigor Dimitrov qualified for the quarterfinals of the tournament in Acapulco, a battle of the Bulgarians against Dominique Thiem is third in the program on Centre Court.
Central court (beginning at 23:00). Polish time.
1. Bernard Tomic - Ilya Marchenko
2. Alexandr Dolgopolov - Robin Haase
3. Grigor Dimitrov - Dominique Thiem (not before 3:00 pm).
4. Sam Querrey - Taylor Fritz