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)

SHENZHEN, CHINA - SEPTEMBER 27: Anhelina Kalinina 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 24: (EDITORS NOTE: Image has been converted to black and white.) Qinwen Zheng of China reacts during match 2 against Jasmine Paolini of Italy in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Italy and China at Shenzhen Bay Sports Centre Arena on September 24, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Katarina Zavatska of team Ukraine poses for a portrait during Media Day ahead of the Billie Jean King Cup by Gainbridge Finals 2026 at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)