LONDON, ENGLAND - SEPTEMBER 25: Carlos Alcaraz of Team Europe looks on with partner Jakub Mensik (not pictured) against Alexander Bublik and Taylor Fritz of Team World during the Men's Doubles match on day one of Laver Cup 2026 at The O2 on September 25, 2026 in London, England. (Photo by Julian Finney/Getty Images for Laver Cup)