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WATCH: Medvedev loses his cool at chair umpire during semi-final of Australian Open; 'Are you stupid?' | Tennis News - Mister Domino
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Roger Federer fights past chuntering Damir Dzumhur in the US Open | US Open Tennis 2019 | The Guardian
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London, UK. 12th July, 2019. Novak Djokovic (l) from Serbia talks to greek umpire Eva Asderaki-Moore at day 11 at the Wimbledon Tennis Championships 2019 at the All England Lawn Tennis and
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