Italian Jannik Sinner has ensured he will end the year as number 1 in the men's world rankings after defeating Tomas Machac to reach the final of the Shanghai Masters.
According to Roger Federer, the doping case against Jannik Sinner raises the question of whether the world number one should have been allowed to continue competing.
Darren Cahill insists there was no negligence on the part of his Italian protégé Jannik Sinner when the world number one was embroiled in a doping scandal ahead of the US Open.
Tennis star Jannik Sinner has avoided a ban after testing positive for a banned anabolic steroid in March. The violation was ruled unintentional.
Australian Open winner Jannik Sinner has reached the quarterfinals of the rainy ATP event in Montreal.
Defending champion Jannik Sinner has reached the next round of the Canadian Open after an easy straight-set win over Borna Coric in Montreal.