AUSTRALIAN OPEN 2023: Tennis sans Serena starts in earnest


              FILE - Serena Williams holds the trophy after defeating Maria Sharapova in the women's singles final at the Australian Open tennis championship in Melbourne, Australia. The Australian Open will be the first Grand Slam tournament since Serena Williams walked away from tennis and played her farewell match in New York at the U.S. Open.(AP Photo/Lee Jin-man, File)
            
              FILE - Serena Williams waves to fans after losing to Ajla Tomljanovic in the third round of the U.S. Open tennis championships, Friday, Sept. 2, 2022, in New York. The Australian Open will be the first Grand Slam tournament since Serena Williams walked away from tennis and played her farewell match in New York at the U.S. Open. (AP Photo/John Minchillo, File)