Nikola Bartunkova stuns Sabalenka in China Open

Beijing, Oct 4: 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. The No. 34-ranked Bartunkova defeated the four-time Grand Slam champion 6-4, 6-3 in just over an hour and a half leaving the tourn…