SHENZHEN, CHINA - SEPTEMBER 22: Fans look on during 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 Wang He/Getty Images for LTA)

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 Wang He/Getty Images for LTA)

SHENZHEN, CHINA - SEPTEMBER 22: Sonay Kartal of Great Britain prepares to serve 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 Wang He/Getty Images for LTA)

SHENZHEN, CHINA - SEPTEMBER 22: Anne Keothavong, Captain of Great Britain shows support for Sonay Kartal of Great Britain 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 Wang He/Getty Images for LTA)

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 Wang He/Getty Images for LTA)

SHENZHEN, CHINA - SEPTEMBER 22: Sonay Kartal of Great Britain plays a backhand 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 Wang He/Getty Images for LTA)

SHENZHEN, CHINA - SEPTEMBER 22: Sonay Kartal of Great Britain reacts 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 Wang He/Getty Images for LTA)

SHENZHEN, CHINA - SEPTEMBER 22: The Billie Jean King Cup is seen on a plinth before 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 Wang He/Getty Images for LTA)