Kyrgios and Sabalenka hit back at critics of '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 win over Bobby Riggs over 50 years ago, but one that ignited controversy over its relevance and meaning.