Jannik Sinner enjoying life as Grand Slam breakthrough beckons

Italy‚Äôs Jannik Sinner signs autographs following a practice session ahead of the Australian Open tennis championships at Melbourne Park, Melbourne, Australia, Friday, Jan. 12, 2024. (AP Photo/Andy Wong) Jannik Sinner credited master coach Darren Cahill Friday with helping him rise up the rankings, saying the Australian gave him a different perspective on tennis. The Italian…

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