Karen Khachanov of Russia serves during the men's singles quarterfinal match between Carlos Alcaraz of Spain and Karen Khachanov of Russia at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
Jakub Mensik of the Czech Republic celebrates after winning the men's singles quarterfinal match between Jannik Sinner of Italy and Jakub Mensik of the Czech Republic at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
Jakub Mensik of the Czech Republic serves during the men's singles quarterfinal match between Jannik Sinner of Italy and Jakub Mensik of the Czech Republic at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
Jannik Sinner of Italy hits a return during the men's singles quarterfinal match between Jannik Sinner of Italy and Jakub Mensik of the Czech Republic at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
Jakub Mensik of the Czech Republic hits a return during the men's singles quarterfinal match between Jannik Sinner of Italy and Jakub Mensik of the Czech Republic at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
Carlos Alcaraz of Spain hits a return during the men's singles quarterfinal match between Carlos Alcaraz of Spain and Karen Khachanov of Russia at the ATP Qatar Open 2026 tennis tournament in Doha, Qatar, Feb. 19, 2026. (Photo by Nikku/Xinhua)
