Russia's Alina Korneeva looks on during her women's singles first round tennis match against USA's Madison Keys on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

Russia's Alina Korneeva hits a return to USA's Madison Keys during their women'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 on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

People wait for the start of play at the Grandstand Stadium during a rain delay at the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York on September 1, 2026. (Photo by ANGELA WEISS / AFP via Getty Images)

Russia's Alina Korneeva hits a return to USA's Madison Keys during their women'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 on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

Russia's Alina Korneeva hits a return to USA's Madison Keys during their women'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 on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

USA's Madison Keys hits a return to Russia's Alina Korneeva during their women'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 on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

USA's Madison Keys hits a return to Russia's Alina Korneeva during their women'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 on September 1, 2026. (Photo by KENA BETANCUR / AFP via Getty Images)

A person in a rain poncho watches the US Open tennis tournament on a screen at the USTA Billie Jean King National Tennis Center in New York on September 1, 2026. (Photo by ANGELA WEISS / AFP via Getty Images)