Evgeny Donskoy of Russia returns the ball to Matteo Viola of Italy during their ATP St. Petersburg Open 2019 tennis match on September 17, 2019 at Sibur Arena in Saint Petersburg, Russia. (Photo by Mike Kireev/NurPhoto via Getty Images)
Evgeny Donskoy of Russia returns the ball to Matteo Viola of Italy during their ATP St. Petersburg Open 2019 tennis match on September 17, 2019 at Sibur Arena in Saint Petersburg, Russia. (Photo by Mike Kireev/NurPhoto via Getty Images)