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)

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)

SHENZHEN, CHINA - SEPTEMBER 24: Anhelina Kalinina of Ukraine and Jana Otzipka of Belgium pose for a photo at the net 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)

SHENZHEN, CHINA - SEPTEMBER 24: General view inside the stadium as Team Belgium, Umpires and Team 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: 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: General view inside the stadium as Team Belgium, Umpires and Team 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)