Jannik Sinner: No. 1 who defied doping case to dominate men’s tennis

Jannik Sinner’s reserved public persona belies a mature and steely 23-year-old who has shown supreme mental strength to put aside a doping scandal and make another Australian Open final. Sinner’s status as Italy’s biggest sporting star and the new dominant force in men’s tennis has only risen over the past fortnight in Melbourne. With Spain’s