Why Jannik Sinner Never Played Junior Grand Slams

Jannik Sinner and his then coaches opted for a massive gamble in his juniors career in order to become the best in the world! #sinner #janniksinner #tennis #grandslam LEMMiNO - Cipher    • LEMMiNO - Firecracker (BGM)   CC BY-SA 4.0 'Ascension' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au