NEW YORK, NEW YORK - SEPTEMBER 09: Alexander Zverev of Germany returns a shot against Botic van de Zandschulp of the Netherlands during their Men's Singles Quarterfinal match on Day Eleven of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 09, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)