Alexander Zverev refused to be drawn after a spectator shouted the names of two women, one of whom had settled assault accusations against him, on Sunday.
The German world number two was well beaten in three sets by defending champion Jannik Sinner in the men鈥檚 singles final in Melbourne.
A woman began shouting out as the 27-year-old Zverev stepped up to give his speech afterwards at Rod Laver Arena. There were a few boos and whistles.
A German court in June dropped a case against the player over allegations he assaulted his ex-girlfriend, after a settlement was agreed hours before he was due to play in the semi-final of the French Open.
Zverev, who has denied wrongdoing, was asked in a post-match news conference to comment about what he heard.
He said: 鈥淚 believe there are no more accusations. There haven鈥檛 been for, what, nine months now?
He added: 鈥淚 think I鈥檝e done everything I can, and I鈥檓 not about to open that subject again.鈥
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