NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy serves against Francisco Comesana of Argentina during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Francisco Comesana of Argentina celebrates a point against Flavio Cobolli of Italy during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Francisco Comesana of Argentina returns a shot against Flavio Cobolli of Italy during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Francisco Comesana of Argentina returns a shot against Flavio Cobolli of Italy during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy checks his calf during a break against Francisco Comesana of Argentina during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy returns a shot against Francisco Comesana of Argentina during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy returns a shot against Francisco Comesana of Argentina during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Francisco Comesana of Argentina returns a shot against Flavio Cobolli of Italy during their Men's Singles First Round match on Day Three of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 01, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)