LONDON, ENGLAND - JULY 05: Stefan Djokovic, the son of Novak Djokovic of Serbia, uses a phone ahead of his match against Roman Safiullin during their Gentlemen's Singles fourth round match on day seven of The Championships Wimbledon 2026 at All England Lawn Tennis and Croquet Club on July 05, 2026 in London, England. (Photo by Cameron Spencer/Getty Images)