Serbia's Novak Djokovic sits on a bench as he trains on a tennis court in Marbella, Spain, on January 2, 2022. (KMJ/GTRES via AP)
Tennis world number one Novak Djokovic said in a statement on Sunday that he was "extremely disappointed" with the decision to cancel his visa to enter Australia, but would cooperate with the authorities in relation to his departure from the country.