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NEW YORK - AUGUST 20, 2019: Five Times Grand Slam Champion Maria Sharapova Of Russia With Her Coach Riccardo Piatti Practices For 2019 US Open At Billie Jean King National Tennis Center
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Former Pete Sampras, Davenport & Sharapova coach Robert Lansdorp thanked by Katherine Sebov, says she wouldn't be the player she is today without him
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Russian Tennis star Maria Sharapova SPLITS from long-term coach Sven Groeneveld after Grand Slam failure | The Sun
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Sven Groeneveld - "Only Monica Seles worked even more intensely than Maria Sharapova" · tennisnet.com
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