SHENZHEN, CHINA - SEPTEMBER 23: Sonja Zhiyenbayeva of Kazakhstan plays a forehand during match 1 against Jessica Bouzas Maneiro of Spain in 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 plays a backhand during match 1 against Sonja Zhiyenbayeva of Kazakhstan in 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 reacts during match 1 against Sonja Zhiyenbayeva of Kazakhstan in 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 reacts during match 1 against Sonja Zhiyenbayeva of Kazakhstan in 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 plays a forehand during match 1 against Jessica Bouzas Maneiro of Spain in 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 reacts during match 1 against Sonja Zhiyenbayeva of Kazakhstan in 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: Anna Danilina, Zhibek Kulambayeva, Sonja Zhiyenbayeva, Yulia Putintseva and Yuriy Schukin, Captain of Kazakhstan line up during national anthems 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: Carla Suarez Navarro, Captain of Spain, Cristina Bucsa, Jessica Bouzas Maneiro, Marina Bassols Ribera and Sara Sorribes Tormo of Spain line up for national anthems 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)