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Marin Cilic will not start his season at the ATP event at Pune because of recurring knee problems.

The Croat regularly plays the Indian tournament but announced on social media that he was withdrawing, saying he had been "looking forward to returning" but his "knee pains...have escalated."

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"I cannot go into this tournament knowing I am not currently able to given 100 percent," he said.

The world No. 7 did not say whether he will play the Australian Open.

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Marin Cilic dealing with recurring knee problems, won't play in Pune

Marin Cilic dealing with recurring knee problems, won't play in Pune

**Hopman Cup (Sat - Sat 12.29 - 1.5)

•    Roger Federer, Alexander Zverev, Serena Williams and Angelique Kerber headline the Hopman Cup. Watch live coverage on Tennis Channel Plus beginning Saturday 12/29 at 9:00pm ET.**

**ATP/WTA Brisbane (Sun - Sun 12.30 - 1.6)

•    Rafael Nadal, Andy Murray, Naomi Osaka and Sloane Stephens open their 2019 seasons in Brisbane. Live coverage from three courts begins on Tennis Channel Plus on Sunday 12/30 at 8:00pm ET.**

**WTA Auckland (Sun - Sun 12.30 - 1.6)

•    Catch the action from the ASB Classic including Venus Williams and Caroline Wozniacki. Live coverage begins on Tennis Channel Plus on Sunday 12/30 at 8:00pm ET.**

**WTA Shenzhen (Sat - Sat 12.29 - 1.5)

•    Watch first to last ball action from the Shenzhen Open featuring Maria Sharapova and Jelena Ostapenko beginning Saturday 12/29 at 11:00pm ET.**

**ATP Pune (Mon - Sat 12.31 - 1.5)

•    Watch Kevin Anderson, Marin Cilic and Hyeon Chung live from Pune starting Monday 12/31 at 6:30am ET.**