The German had said at the start of the tournament that if he lifted the title, he would donate the entire prize cheque to the charitable efforts - and if he didn't, he would donate A$10,000 for every match he won.

Zverev: I will keep my $4 million promise

And after losing his semi-final to Dominic Thiem, he confirmed he would be donating A$50,000 - for his wins over Marco Cecchinato, Egor Gerasimov, Fernando Verdasco, Andrey Rublev and Stan Wawrinka.
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"The Australian crowd is always very nice to me," he said when asked in his post-match press conference if he thought he had won extra fans thanks to his pledge. "I love playing here. They know I love playing here. I always feel welcomed here. That was great.
"Yeah, unfortunately I could not make it happen with all the prize money. As I said, I will keep my promise. I will donate the $50,000 and hope that can help a little bit."

Zverev keeps promise, donates A$50,000 to bushfire relief

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