Four-time Grand Slam champion Naomi Osaka lost a lot of fan support Thursday night for how she behaved during the National Bank Open final. After Osaka won the opening set over 18-year-old Victoria Mboko,

Naomi Osaka apologized for not congratulating Victoria Mboko for her victory after their Montreal Open women's singles final.

Osaka says she was in 'a daze' and that's one of the reasons why she forgot to congratulate Mboko on the Montreal title on the court.