Serbia's Novak Djokovic, left, celebrates with Jelena Jankovic after a tennis doubles match against Serbia's Nenad Zimonjic and Olga Danilovic during the Adria Tour charity tournament, in Belgrade, Serbia, Friday, June 12,
Tennis champ Novak Djokovic tests positive for COVID-19, apologizes for holding tournament: 'We were wrong' - ABC News
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Novak Djokovic issues grovelling apology after testing positive for coronavirus following Adria Tour farce – The Sun | The Sun