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Relevant Tennis on Twitter: "Rumors say Emma Raducanu may choose Riccardo Piatti (former Sinner coach) as a new mentor. The reigning US Open champion has trained in Bordighera, Italy - at Piatti's
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With his coach Riccardo Piatti, Jannik Sinner can only improve. DIMITROV - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
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