Andrey Rublev complains fans with Ukraine flag were saying 'bad things' to him during Australian Open

Andrey Rublev complained to the umpire in his second-round match at the Australian Open on Thursday about fans, who were holding a Ukrainian flag, of saying "bad things" to him.

source https://www.cnn.com/2023/01/20/tennis/andrey-rublev-ukraine-flags-australian-open-spt-intl/index.html