Former world No. 1 Naomi Osaka retired from the ASB Classic final in Auckland on Sunday due to an abdominal injury after winning the first set against Clara Tauson.

Naomi Osaka’s fitness for the Australian Open is in question after the four-time Grand Slam champion and former No. 1 suffered an apparent abdominal injury while playing the final of a WTA tournament in Auckland.

Naomi Osaka started 2025 strong by playing some of her best tennis in years. In fact, she blew through the first few rounds of the Auckland Open to reach her first finals in almost three years. Sadly,

Former world No. 1 Naomi Osaka started the new year on a high, reaching her first WTA Tour quarterfinal in six months with a 7-5, 6-3 win over Julia Grabher in Auckland.

Osaka retired from the ASB Classic final in Auckland due to an abdominal injury. The four-time Grand Slam champion won the first set against Clara Tauson 6-4 before taking an immediate medical time-out that would signal the end of the match. Due to injury, Osaka has retired from the match. Clara Tauson is the champion with a final score of 4-6.