Tsitsipas, Sinner to meet in Australian Open’s 4th round


              Stefanos Tsitsipas of Greece celebrates after defeating Tallon Griekspoor of the Netherlands in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Aaron Favila)
            
              Stefanos Tsitsipas of Greece celebrates after defeating Tallon Griekspoor of the Netherlands in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Aaron Favila)
            Jannik Sinner of Italy reacts after defeating Marton Fucsovics of Hungary in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Dita Alangkara) Marton Fucsovics, left, of Hungary congratulates Jannik Sinner of Italy following their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Dita Alangkara) Marton Fucsovics, right, of Hungary congratulates Jannik Sinner of Italy following their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Dita Alangkara) Barbora Krejcikova, left, of the Czech Republic is congratulated by Anhelina Kalinina of Ukraine following their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Aaron Favila) Barbora Krejcikova of the Czech Republic serves to Anhelina Kalinina of Ukraine during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 20, 2023. (AP Photo/Aaron Favila)