SHENZHEN, CHINA - SEPTEMBER 24: Jana Otzipka of Belgium plays a forehand during match 1 against Anhelina Kalinina of Ukraine 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: Jana Otzipka of Belgium plays a forehand during match 1 against Anhelina Kalinina of Ukraine 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: Jana Otzipka of Belgium celebrates winning a point during match 1 against Anhelina Kalinina of Ukraine 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)

SHENZHEN, CHINA - SEPTEMBER 24: Jana Otzipka of Belgium chats with Wim Fissette, Captain of Belgium during match 1 against Anhelina Kalinina of Ukraine 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)

SHENZHEN, CHINA - SEPTEMBER 24: Illya Marchenko, Captain of Ukraine and Elina Svitolina, Anhelina Kalinina, Katarina Zavatska and Lyudmyla Kichenok of Ukraine line up for national anthems before 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: Hanne Vandewinkel, Magali Kempen, Jana Otzipka, Greet Minnen of Belgium and Wim Fissette, Captain of Belgium line up for national anthems before 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)