NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy celebrates 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 celebrates after winning the third set 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 celebrates after winning the third set 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)

Italy's Flavio Cobolli adjusts his shirt during a break in his tennis match against Argentina's Francisco Comesana during the men's singles first round on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Flavio Cobolli of Italy celebrates after winning the third set 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)

Italy's Flavio Cobolli plays a return to Argentina's Francisco Comesana during their men's singles first round tennis match on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

Italy's Flavio Cobolli reacts after winning the third set against Argentina's Francisco Comesana during their men's singles first round tennis match on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

Italy's Flavio Cobolli reacts after winning the third set against Argentina's Francisco Comesana during their men's singles first round tennis match on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)