At Naomi Osaka's age of 27, the Japanese star's comeback reached a defining and emotional moment in Montreal, where she lost to 18-year-old Victoria Mboko in a rare all-generations WTA 1000 final. The match,

Naomi Osaka reacts to playing Victoria Mboko in the final of the National Bank Open after Mboko called Osaka her "idol" years back.

Mboko, 18 and playing in her first WTA final, denied Osaka her first tour-level title since the 2021 Australian Open. Despite being a set down, she wore down the Japanese star, 27, who has struggled to find consistency since returning from maternity leave early in 2024.