Xu Yifan (R)/Yang Zhaoxuan react during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Bethanie Mattek-Sands/Lucie Safarova (L) compete during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Xu Yifan (L)/Yang Zhaoxuan compete during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Bethanie Mattek-Sands (L)/Lucie Safarova react during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Xu Yifan (L)/Yang Zhaoxuan compete during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Xu Yifan (R)/Yang Zhaoxuan celebrate scoring during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Xu Yifan (R)/Yang Zhaoxuan react during women’s doubles round of 32 match between Xu Yifan/Yang Zhaoxuan of China and Bethanie Mattek-Sands (the United States)/Lucie Safarova (the Czech Republic) at the WTA Qatar Open tennis tournament in Doha, Qatar, on Feb. 9, 2025. (Photo by Nikku/Xinhua)

Maria Sakkari of Greece hits a return during women’s singles round of 64 match between Elena-Gabriela Ruse of Romania and Maria Sakkari of Greece at the WTA Qatar Open tennis tournament in Doha, Qatar, Feb. 9, 2025. (Photo by Nikku/Xinhua)

Maria Sakkari of Greece serves during women’s singles round of 64 match between Elena-Gabriela Ruse of Romania and Maria Sakkari of Greece at the WTA Qatar Open tennis tournament in Doha, Qatar, Feb. 9, 2025. (Photo by Nikku/Xinhua)

Elena-Gabriela Ruse of Romania celebrates a point during women’s singles round of 64 match between Elena-Gabriela Ruse of Romania and Maria Sakkari of Greece at the WTA Qatar Open tennis tournament in Doha, Qatar, Feb. 9, 2025. (Photo by Nikku/Xinhua)

Elena-Gabriela Ruse of Romania serves during women’s singles round of 64 match between Elena-Gabriela Ruse of Romania and Maria Sakkari of Greece at the WTA Qatar Open tennis tournament in Doha, Qatar, Feb. 9, 2025. (Photo by Nikku/Xinhua)

Elena-Gabriela Ruse of Romania hits a return during women’s singles round of 64 match between Elena-Gabriela Ruse of Romania and Maria Sakkari of Greece at the WTA Qatar Open tennis tournament in Doha, Qatar, Feb. 9, 2025. (Photo by Nikku/Xinhua)