Naomi Osaka: US Open title ‘not the happiest moment’ after Serena Williams’ outbursts

Naomi Osaka says winning the US Open last month was a “bittersweet” moment and “not the happiest memory” following Serena Williams’ on-court outbursts.

The 20-year-old became the first Japanese player to win a Grand Slam when she beat the American 6-2 6-4.

Read more: https://www.bbc.com/sport/tennis/45711180