World number one Jannik Sinner said he was "very disappointed and also surprised" to be facing the renewed threat of a doping ban.
Jannik Sinner believes entering a new era of champions is "good for the sport".
Jannik Sinner was proud of his mental strength after putting his doping scandal behind him to win the US Open for the first time.
Jannik Sinner let his tennis do the talking as he marched through Taylor Fritz in straight sets to win the US Open title on Sunday.
For the first time since 2006, there will be an American in the men's final of the US Open after Frances Tiafoe set up a blockbuster of a semifinal against Taylor Fritz.
Roger Federer says there are still questions to be answered about Jannik Sinner avoiding a suspension after failing two anti-doping tests.