October 27, 2025

In a thrilling Vienna Open final, Jannik Sinner faced off against Alexander Zverev in a battle full of passion and tennis fireworks. The Italian star lost the first set 3-6 but made a stunning comeback, winning the next two sets 6-3 and 7-5 to snatch the title. But this win was more than just a trophy moment — it was a heartfelt goodbye to his longtime coach Darren Cahill. Cahill, the Aussie mentor who shaped champions like Andre Agassi, Simona Halep, and Lleyton Hewitt, has decided to take a well-deserved break after decades on the tennis circuit. Sinner described Cahill as more than a coach — “a second father.” Before the final, the young World No. 2 shared, “It's a topic we haven't discussed in detail yet. Darren has certainly given me so much, and I’m grateful to him for it. We’ll see together what to do — he was not just a coach for me, but much more.” Adding a touching note, he said, “However, we must understand that he’s already 60 years old and has been doing this job for a long time, so we’ll see what can be done.” Just days earlier, Sinner hoped Cahill might change his mind. “We haven't talked yet, to be honest. We said we are going to finish the year, and then we might ask him for a long chat, trying to convince him,” Sinner told ATP Media. He called Cahill “like a second father to me” and called working with him “a huge privilege.” With Cahill stepping away, Simone Vagnozzi will now be Sinner’s sole coach. Though Vagnozzi is taking full charge, Sinner admitted the job will be tough without breaks. “He will need some rest, so probably we will need to think about another member for the coaching staff,” he said, adding he will discuss it “calmly” with Vagnozzi. The Vienna Open win is a perfect send-off for the legendary coach. Sinner’s journey with Cahill ends on a high, but the future still holds plenty of promise as the young star shifts gears with Vagnozzi at the helm. Tennis fans will be watching eagerly to see what this powerful duo can achieve next! FAQs: Who is Jannik Sinner’s outgoing coach? Darren Cahill, from Australia. Where is Sinner playing currently? He just won the Vienna Open. Who will be Jannik Sinner's new coach? Simone Vagnozzi will take over as head coach after Cahill’s departure.

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Tags: Jannik sinner, Darren cahill, Vienna open, Alexander zverev, Tennis coaching, Atp,