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: 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: Czechia show their support during 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: Anhelina Kalinina of Ukraine plays a forehand during match 1 against Karolina Muchova of Czechia in 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 and Anhelina Kalinina of Ukraine shake hands after 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 celebrates winning a point during match 1 against Anhelina Kalinina of Ukraine in 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 plays a forehand during match 1 against Anhelina Kalinina of Ukraine in 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 plays a forehand during match 1 against Anhelina Kalinina of Ukraine in 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)