SHENZHEN, CHINA - SEPTEMBER 27: Illya Marchenko, Captain of Ukraine, Elina Svitolina, Anhelina Kalinina, Katarina Zavatska and Lyudmyla Kichenok of Ukraine stand for national anthems before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: General view as Team Czechia, Umpires and Team Ukraine stand for national anthems before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Linda Noskova of Czechia warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Karolina Muchova of Czechia warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Katarina Zavatska of Ukraine warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Katerina Siniakova of Czechia warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Katarina Zavatska of Ukraine warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 27: Linda Noskova of Czechia warms up before the Billie Jean King Cup by Gainbridge Finals 2026, Final match between Ukraine and Czechia at Shenzhen Bay Sports Centre Arena on September 27, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)