World No. 1 Aryna Sabalenka was despondent after suffering a stunning French Open quarterfinal defeat Wednesday. The Belarusian star looked to be cruising into the semifinals after taking the opening set against Russian 25th seed Diana Shnaider. However, the momentum shifted dramatically as Shnaider battled back to claim a 3-6, 7-5, 6-0 victory at Roland Garros. Sabalenka, who was the clear favorite to win the title in Paris after other top players had been upset in previous rounds, was left