Russia's Daria Kasatkina serves to Brazil's Beatriz Haddad Maia during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Russia's Daria Kasatkina hits a return to Brazil's Beatriz Haddad Maia during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Russia's Daria Kasatkina hits a return to Brazil's Beatriz Haddad Maia during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Team World's headcoach, former US tennis player John McEnroe, greets his team on the last day of the 2024 Laver Cup in Berlin, Germany on September 22, 2024. (Photo by Odd ANDERSEN / AFP) (Photo by ODD ANDERSEN/AFP via Getty Images)

Brazil's Beatriz Haddad Maia (bottom) serves to Russia's Daria Kasatkina during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Brazil's Beatriz Haddad Maia (L) reacts to a point against Russia's Daria Kasatkina during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Russia's Daria Kasatkina hits a return to Brazil's Beatriz Haddad Maia during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)

Russia's Daria Kasatkina hits a return to Brazil's Beatriz Haddad Maia during their women's singles final match at the Korea Open tennis championships in Seoul on September 22, 2024. (Photo by Jung Yeon-je / AFP) (Photo by JUNG YEON-JE/AFP via Getty Images)