Content overview: “Sabalenka Stunned by Bartunkova in China Open Upset”. World number two Aryna Sabalenka suffered a surprise defeat at the China Open, falling to Czech qualifier Nikola Bartunkova in straight sets. The loss comes just a day after Elena Rybakina, another top seed, was also eliminated, leaving the women's draw wide open in Beijing. Bartunkova, ranked outside the top 100, delivered a fearless performance to claim the biggest win of her career and advance to the next round.
Sabalenka, a two-time Grand Slam champion, struggled with consistency and was unable to find her rhythm against the aggressive baseline play of her opponent. The result marks the second major upset in as many days at the tournament, raising questions about the form of the tour's leading players ahead of the season-ending championships. With the top seeds falling early, the China Open now offers a golden opportunity for an underdog to make a deep run. This listing links straight to the original page, where the content is available in full.