US Open tennis 2018: Nick Kyrgios begged by chair umpire Mohamed Lahyani to start trying | The Australian
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US Open 2018 | Umpire Mohamed Lahyani was wrong to get out of chair and talk to Nick Kyrgios, says Roger Federer
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US Open: Roger Federer wades into Nick Kyrgios row and BLASTS umpire Mohamed Lahyani | Tennis | Sport | Express.co.uk
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