Kenin of U.S. tops Muguruza at Australian Open for first major

Sofia Kenin of the U.S. celebrates after defeating Spain's Garbine Muguruza in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Feb. 1, 2020. (AP Photo/Lee Jin-man)

MELBOURNE, Australia — This, essentially, was where Sofia Kenin was going to win or lose the Australian Open final: She was down love-40 while serving at 2-all in the third set against two-time major champion Garbiñe Muguruza.