Two former American tennis stars have obliterated Naomi Osaka over her runner-up speech earlier this month that went viral around the world.

Victoria Mboko beat four-time Grand Slam champion Naomi Osaka in a thrilling comeback at the National Bank Open in Montreal.

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

Victoria Mboko didn’t even have a picture on the WTA website before the National Bank Open in Montreal. Now, the 18-year-old ...

Naomi Osaka's speech after losing the Canadian Open final last week is still a topic of conversation in tennis circles. A ...

Only Serena Williams did what Victoria Mboko did last week at a younger age. Here's what to know about this new teenage ...

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

The updated Universal Tennis Rating (UTR) rankings has seen some significant movement, following strong performances by several WTA stars over the last few weeks.

Osaka joined Mboko in pulling out of the main tuneup for the U.S. Open after their gripping contest in Montreal.

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

Osaka has made progress since returning in last year's Australian Open. She won two matches in both the Australian Open and ...