Australia's Nick Kyrgios, left, and Serbia's Novak Djokovic celebrate during their doubles match against Alexander Erler of Austria and Andreas Mies of Germany in the Brisbane International, at the Queensland Tennis Centre in Brisbane, Australia, Monday, Dec. 30, 2024. (Darren England/AAP Image via AP)

Australia's Nick Kyrgios, left, and Serbia's Novak Djokovic in action during their doubles match against Alexander Erler of Austria and Andreas Mies of Germany in the Brisbane International, at the Queensland Tennis Centre in Brisbane, Australia, Monday, Dec. 30, 2024. (Darren England/AAP Image via AP)

Australia's Nick Kyrgios, left, talks with Serbia's Novak Djokovic during their doubles match against Alexander Erler of Austria and Andreas Mies of Germany in the Brisbane International, at the Queensland Tennis Centre in Brisbane, Australia, Monday, Dec. 30, 2024. (Darren England/AAP Image via AP)