Sinner returns to Melbourne stronger after doubts and doping cloud

MELBOURNE, Jan 16 : Defending champion Jannik Sinner arrives at the Australian Open a different man to the one who walked into Melbourne Park a year ago, stronger in body and mind after navigating a period he describes as the most difficult of his young career.

The 24-year-old Italian was playing under the cloud of an unresolved doping case last year, with questions following him onto court and a feeling that other players were looking at him differently.

He successfully defended his title but later said he had considered walking away from the game.

Doping authorities ultimately ensured he had time away from the tour, giving him a three-month ban.

After returning to the tour he won his first Wimbledon crown and went on to cap his most successful season with another ATP Finals title.

"Last year was definitely a much more difficult situation," Sinner told reporters on Friday.

"At that moment last year I didn't know exactly what was going to happen. I tried still to enjoy it when going out on the court, but you still have it in your head.

"It was difficult for me, but also for the family," he added. "I tried to stay with the people I really love, which at times worked very well. At times it was a bit disappointing, too."

A year on, the four-times Grand Slam champion said the experience had matured him, giving him the ability to work his way through other challenges on and off the court.

"It got me even stronger as a person," he said. "The person I've become is much more mature because I see things, when they're not going in the right direction, in different ways.

"Whatever comes on court, result-wise, that’s all an extra,” he said. "I live the sport in a very different way now, which is relaxed, but I give everything I have. It’s a