Osaka and Raducanu continue Australian Open preparation in Melbourne - in pictures

Defending Melbourne Park champion and US title-holder take part in practice sessions

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  Naomi Osaka of Japan trains during a practice session during day three of the Melbourne Summer Events at Melbourne Park on January 05, 2022 in Melbourne, Australia. Getty Images

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  MELBOURNE, AUSTRALIA - JANUARY 05: Naomi Osaka of Japan trains during a practice session during day three of the Melbourne Summer Events at Melbourne Park on January 05, 2022 in Melbourne, Australia. (Photo by Kelly Defina / Getty Images)

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  Naomi Osaka prepares for a training session. Getty Images

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  Naomi Osaka trains at Melbourne Park. Getty Images

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  Naomi Osaka goes through her warmup. Getty Images

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  Naomi Osaka warms up during day three of the Melbourne Summer Events. Getty Images

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  Naomi Osaka of Japan. Getty Images

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  Naomi Osaka does stretching exercises. Getty Images

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  Japan's Naomi Osaka attends a training session. AFP

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  Naomi Osaka catches a ball. AFP

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  Naomi Osaka of Japan practices on Margaret Court Arena. AP Photo

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  Emma Raducanu of Great Britain plays a backhand during a practice session during day three of the Melbourne Summer Events at Melbourne Park. Getty Images

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  Emma Raducanu plays a backhand during a practice session. Getty Images

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  Emma Raducanu at Melbourne Park. Getty Images

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  Emma Raducanu of Great Britain in action during a practice session. Getty Images

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  Emma Raducanu talks with her coach. Getty Images

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  Emma Raducanu of Great Britain plays a backhand during a practice session. Getty Images

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  Britain's Emma Raducanu attends a training session at the Melbourne Summer Set tennis tournament in Melbourne. AFP

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  Emma Raducanu speaks with coach Torben Beltz. AFP

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  Emma Raducanu during a practice in the lead-up to the 2022 Australian Open. Reuters

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  Emma Raducanu with coach Torben Beltz during a practice. Reuters

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  Britain's Emma Raducanu holds her cross necklace. AFP

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  Britain's Emma Raducanu speaks with coach Torben Beltz. AFP

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  Emma Raducanu of Britain attends a practice session with support team on Margaret Court Arena. AP Photo

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  Britain's Emma Raducanu during a practice in the lead-up to the 2022 Australian Open Reuters

Defending Australian Open champion Naomi Osaka and reigning US Open title-holder Emma Raducanu were putting in some prep work Wednesday as they continued their build-up towards the first Grand Slam of the year.

Osaka, 24, made a winning return after four months away at the Melbourne Summer Set on Tuesday with a 6-4, 3-6, 6-3 victory over France's Alize Cornet.

Raducanu withdrew from this week's Australian Open warm-up tournament in Melbourne as she has only recently come out of isolation following a positive Covid-19 result which also saw her miss the Mubadala World Tennis Championship in Abu Dhabi.

Both Osaka and Raducanu were put through their paces by their coaching teams during practice sessions at Melbourne Park, which will host the Australian Open from January 17-30.