Nick Kyrgios believes the tennis world has ‘been played’ after Jannik Sinner announced that he has reappointed his former coach, Umberto Ferrara, the fitness trainer who was inadvertently involved in the Italian’s doping suspension earlier this year.

Nick Kyrgios has hit out at Wimbledon champion Jannik Sinner over his decision to re-appoint the fitness coach he split with after last year’s positive tests for banned substance clostebol.

Wimbledon champion Jannik Sinner has rehired Umberto Ferrara as his fitness coach nearly a year after firing him for his role in the top-ranked player’s doping case.