The head of state wrote this on his Twitter page.
"Congratulations to our [tennis player] Elina Svitolina on the victory in the first American tournament Tie Break Tens. Way to go!" he wrote.
World No. 4 Elina Svitolina became the first winner of the Tie Break Tens tournament in the United States. She lost just six points to opponents on her way to the tournament title and a $250,000 prize.