Sports No. 3 Naomi Osaka defeats No. 10 Serena Williams to advance to Australian Open final February 18, 2021February 18, 2021 Dan Wolken, USA TODAY Comments Off on No. 3 Naomi Osaka defeats No. 10 Serena Williams to advance to Australian Open final Naomi Osaka halted Serena Williams' quest for Grand Slam No. 24 by ousting the legend in the semifinals of the Australian Open.