Kyrgios beats Sabalenka in 'Battle of the Sexes' showdown

Nick Kyrgios beat Aryna Sabalenka 6-3 6-3 on Sunday (December 28) in a "Battle of the Sexes" exhibition match billed as a modern take on Billie Jean King's famous victory over former Grand Slam winner Bobby Riggs more than 50 years ago, but one that has ignited controversy over its relevance and meaning.