SHENZHEN, CHINA - SEPTEMBER 24: Ukraine fans show their support during the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Ukraine fans show their support during the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Jana Otzipka of Belgium shakes hands with Anhelina Kalinina of Ukraine after the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Anhelina Kalinina of Ukraine celebrates winning with her team after match 1 against Jana Otzipka of Belgium in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: A fan reacts with a Ukraine flag during the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Anhelina Kalinina of Ukraine serves during match 1 against Jana Otzipka of Belgium in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Anhelina Kalinina of Ukraine celebrates winning a point during match 1 against Jana Otzipka of Belgium in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium 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 24: Anhelina Kalinina of Ukraine plays a forehand during match 1 against Jana Otzipka of Belgium in the Billie Jean King Cup by Gainbridge Finals 2026, Quarter-Final match between Ukraine and Belgium at Shenzhen Bay Sports Centre Arena on September 24, 2026 in Shenzhen, China. (Photo by Lintao Zhang/Getty Images for Billie Jean King Cup)