Naomi Osaka faced criticism after a swift speech at the Canadian Open final in Montreal, where she lost to Victoria Mboko.

Andy Roddick has come to Naomi Osaka's defense as the American tennis legend suggests people should be more understanding of ...

Four-time Grand Slam champion Naomi Osaka faced backlash after omitting congratulations to 18-year-old Victoria Mboko in her ...

Naomi Osaka finished runner-up at the National Bank Open in Montreal, losing to Victoria Mboko in the final after her ...

Mboko has played so much tennis this season for one reason — because she wins and wins and wins some more. She’s just doing ...

Mboko asked if her feelings about her 'idol' Osaka changed after what happened following their Montreal title match.

Naomi Osaka powered into her first National Bank Open semifinal, beating No. 10 seed Elina Svitolina 6-2, 6-2 on Tuesday ...

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

Osaka's run at the Canadian Open is a promising sign for the hard-court season, but sustaining it is the real challenge.

Naomi Osaka has been blasted as a 'poor loser' by tennis fans after giving a blunt appraisal of her shock defeat to teenage sensation Victoria Mboko at the Canadian Open in Montrea ...

Watch details for today's Naomi Osaka vs. Victoria Mboko National Bank Open final in Montreal, set for 6 p.m. ET.

Japan's Naomi Osaka fell short in her bid for her first WTA Tour title in four years, losing to 18-year-old Canadian Victoria ...