Willow, 11, was selected to flip the ANZ Commemorative Coin at the round four match between Ash Barty and Amanda Anisimova.

It's now a moment in Willow's life that she will never forget.

"Ash is my favourite player and it was really nice to be able to meet her," Willow said.

Despite nerves when walking out onto centre court at the Rod Laver Arena, Willow said she will embrace the experience for a very long time.

"I didn't want to mess up the coin toss for the number one player in the world," she laughed.

"The atmosphere was also very loud with the crowd cheering on Ash.

"I was lucky enough to sit where the cameras were and watch five games."

More on Ash Barty's win:

This year's ANZ Commemorative Coin celebrates the career of Australian tennis player Margaret Molesworth who won the inaugural women's singles title at the Australasian Championships 100 years ago in 1922.

2022 marks the fifth year of the ANZ Commemorative Coin - with previous years featuring Dylan Alcott OAM, Rod Laver AC MBE, Evonne Goolagong Cawley AC MBE, and Kerry Melville Reid MBE and Judy Tegart Dalton AM.

Barty went on to win the round four clash against Anisimova 6-4 6-3 on her way to securing the 2022 Australian Open women's title.

The world number one wrapped up a strong Open campaign with a history making 6-3 7-6 (7-2) win over American Danielle Collins in the most-anticipated women's final in nearly 50 years.

The hard-earned victory saw Barty fight back from 5-1 down in the second set before prevailing after one hour and 27 action-packed minutes.

Now that Willow has become a part of Barty's history making campaign at the Open, the tennis junior is determined to one day become a professional.

Tennis is in Willow's family's blood as she first learned the sport under the guidance of her grandmother in addition to her mother and father also being avid players.

Fellow Bendigo junior tennis player James Rkyers was also involved with the Open as he was given the opportunity to flip the coin for the round two clash between Kamil Majchrzak and Alex de Minaur.

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