Sabalenka knocked out of China Open in straight sets, Djokovic outlasts Zverev

Second-ranked Aryna Sabalenka was bundled out in the third round of the China Open in straight sets by the Czech Republic's Nikola Bartunkova on Sunday. In the men’s draw, Novak Djokovic maintained his perfect record at the tournament with a 4-6, 6-4, 6-4 victory over U.S. Open champion Alexander Zverev in the quarterfinals.