NEW YORK, NEW YORK - AUGUST 31: USTA CEO Craig Tiley (L) and US Open Tournament Director Eric Butorac (R), present Stan Wawrinka of Switzerland with a poster after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Stan Wawrinka of Switzerland acknowledges the crowd after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: US Open Tournament Director Eric Butorac looks to present a poster to Stan Wawrinka of Switzerland after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: US Open Tournament Director Eric Butorac looks to present a poster to Stan Wawrinka of Switzerland after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Stan Wawrinka of Switzerland acknowledges the crowd after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Stan Wawrinka of Switzerland acknowledges the crowd after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Stan Wawrinka of Switzerland acknowledges the crowd after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Stan Wawrinka of Switzerland acknowledges the crowd after a loss against Matteo Berrettini of Italy during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Caleb Bowlin/Getty Images)