Playing in her first WTA 1000 final since 2022, the Japanese made an outstanding start to the Montreal title match and took the opening set versus Canadian wildcard Victoria Mboko with a 6-2 scoreline. But then, the former world No. 1's level dropped and the 18-year-old teenage sensation went on to complete a 2-6 6-4 6-1 win.

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

Four-time major champion Naomi Osaka didn't just lose the National Bank Open final on Thursday night, she received backlash for questionable comments she made after the match. Despite winning the opening set,