Jannik Sinner’s Coach Silences Rennae Stubbs With Bold Novak Djokovic Claim at US Open

Novak Djokovic is chasing history once again at the 2025 US Open, eyeing what would be a record-shattering 25th Grand Slam title. The 38-year-old Serbian is already in control of his quarterfinal clash against Taylor Fritz, taking the first two sets 6-3, 7-5. But the road to the trophy is far from simple. Jannik Sinner and Carlos Alcaraz still stand in his path. And while fans debate whether Djokovic can pull it off, Sinner’s coach, Darren Cahill, offered a perspective that stopped Rennae Stubbs in her tracks.

Behind the US Open broadcasting booth, Cahill highlighted that Djokovic was nearing the end of his tennis career. But this extracted a reaction from Serena Williams’s former coach, Rennae Stubbs. She asked if Cahill really doesn’t believe that the Serbian star can go on to win his 25th Grand Slam title. But in response, all she got was a quirky shutdown. Cahill said, “Well, 25 will be the icing on the cake. But he doesn’t need it, honestly.” After all, he simply wants Jannik Sinner to claim the win, not Djokovic. 

Darren Cahill shutting down Rennae Stubbs’ idiotic remark. Her reaction after was priceless pic.twitter.com/nGnemZeZiZ

— Nicolas Ally (@nick_ally1986) September 2, 2025

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