SHENZHEN, CHINA - SEPTEMBER 23: Sonja Zhiyenbayeva of Kazakhstan warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 23: Jessica Bouzas Maneiro of Spain warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 23: Marina Bassols Ribera of Spain warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 23: Marina Bassols Ribera of Spain warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 23: Zhibek Kulambayeva of Kazakhstan warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 23: Sonja Zhiyenbayeva of Kazakhstan warm ups before the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Kazakhstan and Spain at Shenzhen Bay Sports Centre Arena on September 23, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)

SHENZHEN, CHINA - SEPTEMBER 22: Sara Bejlek of Czechia speaks during the pre match press conference 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: Karolina Muchova of Czechia speaks during the pre match press conference 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)