They took to the court at the Mouratoglou Tennis Academy in the south of France with black t-shirts emblazoned with the movement's message.
'I had to play a great level' - Moutet on winning UTS final
25/05/2021 AT 21:41
The Italian beat Brown 3-1, while Alexei Popyrin beat Elliot Benchetrit by the same score.
Feliciano Lopez beat Lucas Pouille in sudden death with the score tied at 2-2.
Lucas Pouille and David Goffin are among the other players taking part in the event, which has its matches split into quarters with a timer ticking down to zero, encouraging swift play.
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Brown and Berrettini wear Black Lives Matter shirts at Ultimate Tennis Showdown

UTS : Corentin Moutet claims victory over Taylor Fritz to take title
25/05/2021 AT 21:01
UTS: Moutet argues with umpire after mis-counting shots
25/05/2021 AT 20:55