She had also missed the season-ending championships in Cancun due to the injury.

She had also missed the season-ending championships in Cancun due to the injury.

She had also missed the season-ending championships in Cancun due to the injury.

Karolina Muchova has pulled out of next month's Australian Open with a niggling wrist injury that also ruled her out of the WTA Finals in October, the world No. 8 said.

The 27-year-old Czech enjoyed one of her best seasons this year and finished runner-up to the top-ranked Iga Swiatek at the French Open before a run to the US Open semifinals in September, where she suffered the right wrist issue.

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She was set to compete in the season-ending championships in Cancun for the first time before pulling out and being replaced by Maria Sakkari.

"This isn't my favourite thing to share especially at the start of a new season, but unfortunately the pain in the wrist came back in the middle of my preparation," former Melbourne Park semifinalist Muchova said on Instagram on Thursday.

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"I therefore have to postpone the start of the season and fully heal my wrist first. It's frustrating but I have to keep positive, recover and get ready for the rest of the year."

The Australian Open takes place from January 14-28.