OSAKA, Japan — Tennis star Naomi Osaka was forced to withdraw from her quarterfinal match at the Japan Open on Friday due to a left leg injury, paving the way for Jaqueline Cristian to advance to the semifinals via walkover. The Women’s Tennis Association (WTA) confirmed the development, marking Cristian’s third semifinal appearance this year and her first on a non-clay surface. Osaka, the tournament’s top seed, had been struggling with the injury sustained during her second-round match against Suzan Lamens. Despite the setback, Osaka managed to secure victories over Wakana Sonobe and Lamens earlier in the tournament. During her match against Lamens, Osaka took a commanding 5-0 lead in the third set but abruptly halted play after experiencing discomfort in her left leg. She returned to the court with her thigh wrapped but ultimately closed out the match on her third match point. This withdrawal adds to a challenging season for Osaka, who recently exited in the second rounds of both the China Open and the Wuhan Open. Meanwhile, in another quarterfinal match, 2021 U.S. Open finalist Leylah Fernandez triumphed over Rebecca Šramková with a 7-6 (2), 6-3 victory, continuing her strong performance in the tournament.