Tennis News: 'Lack of communication' from Kyrgios annoys Hewitt as Aussies go down, Greece, US off to perfect starts

Stefanos Tsitsipas has overcome Grigor Dimitrov in a deciding-set tiebreak to give top seeds Greece a commanding 2-0 lead over Bulgaria on day one of the United Cup. The 24-year-old star, ranked No.4 ...

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