New US Open champion Naomi Osaka says she does not feel sad about the way her win was overshadowed by Serena Williams' outbursts at the umpire.
Osaka, 20, beat Williams 6-2 6-4 in Saturday's final, but the crowd booed as she received the trophy.
Williams got a code violation for coaching, a penalty point for racquet abuse and a game penalty for calling the umpire a "thief" in New York.
"At the time I did think they were booing at me," said Japan's Osaka.
Speaking on The Ellen DeGeneres' Show she said: "I couldn't tell what was going on, it was so loud and a little bit stressful.