Tennis world No. 1 Jannik Sinner insisted he’s controlling what he can after his seventh triumph of the season as he awaits the appeal of his doping violation

Jannik Sinner has admitted to “losing his smile” with his doping controversy clouding the best year of his career.

The 23-year-old Italian has established himself as the top men’s tennis player in the world this year with victories at the Australian Open and US Open. He won his seventh title of the season at the Shanghai Masters on Sunday, beating Novak Djokovic 7-6 (7-4), 6-3.