Saturday marked the unofficial kickoff of the 2019 Australian Open with the annual Kids' Day. ATP and WTA stars Victoria Azarenka, Naomi Osaka, Novak Djokovic, Milos Raonic, Grigor Dimitrov and Hyeon Chung were among the celebrity players that converged in Melbourne Park to facilitate the on- and off -court games.

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Hundreds of young fans and their families took part in the action, which also featured appearances by popular television characters like Peppa Pig.

Dimitrov was the only player in the Kids' Day crew to play on Day 1, winning in four sets over Janko Tipsarevic.

Djokovic, Osaka
and more star in
Aussie Kids' Day

Djokovic, Osaka and more star in Aussie Kids' Day

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Kickoff each day of the 2019 Australian Open with Tennis Channel Live, reviewing the day's most important news and previewing the day's biggest matches. Watch LIVE at 6 p.m. ET.

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