Naomi Osaka stuns S. Williams to win her first Grand Slam title at U.S. Open

Naomi Osaka (2nd L) of Japan receives the trophy during the awarding ceremony after winning the women's singles final match against Serena Williams (1st L) of the United States at the 2018 US Open tennis tournament in New York, the United States, Sept. 8, 2018. Osaka won 2-0 in the final. (Xinhua/Wang Ying)