SHENZHEN, CHINA - SEPTEMBER 22: Czechia fans show their support during the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Sonay Kartal of Great Britain plays a forehand during match 1 against Marie Bouzkova of Czechia in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Marie Bouzkova of Czechia reacts during match 1 against Sonay Kartal of Great Britain in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Marie Bouzkova of Czechia serves during match 1 against Sonay Kartal of Great Britain in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Marie Bouzkova of Czechia reacts during match 1 against Sonay Kartal of Great Britain in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Sonay Kartal of Great Britain serves during match 1 against Marie Bouzkova of Czechia in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Marie Bouzkova of Czechia looks on during match 1 against Sonay Kartal of Great Britain in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Marie Bouzkova of Czechia plays a backhand during match 1 against Sonay Kartal of Great Britain in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Czechia and Great Britain at Shenzhen Bay Sports Centre Arena on September 22, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)