+ Tennis News: 4 for 4: Naomi Osaka wins Australian Open, remains excellent in Conquest finals , February 23, 2021February 23, 2021, Tennis News, Tennis News, Naomi, Open, Osaka, tennis, stays, news, Slam, wins, Grand, finals, Australian, perfect Tennis News: 4 for 4: Naomi Osaka wins Australian Open, remains excellent in Conquest finals MELBOURNE, Australia — As...