Russia's Liudmila Samsonova, right, celebrates with teammates after winning their Billie Jean King Cup final tennis match against Russia in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Russia's Liudmila Samsonova celebrates after defeating Switzerland's Belinda Bencic their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Russia's Liudmila Samsonova returns a ball to Switzerland's Belinda Bencic during their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Switzerland's Belinda Bencic reacts after loosing a point to Russia's Liudmila Samsonova during their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Russia's Liudmila Samsonova celebrates after winning a point against Switzerland's Belinda Bencic during their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Switzerland's Belinda Bencic returns a ball to Russia's Liudmila Samsonova during their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)

Switzerland's Belinda Bencic serves to Russia's Liudmila Samsonova during their Billie Jean King Cup final tennis match in Prague, Czech Republic, Saturday, Nov. 6, 2021. (AP Photo/Petr David Josek)