World No. 1 Jannik Sinner defended his Australian Open title on Sunday, comfortably defeating Alexander Zverev 6-3, 7-6(4), 6-3 in the men’s final to secure his third career grand slam win.

Jannik Sinner's three-month doping suspension has divided the tennis world and there are growing calls for the World No.1 to be stripped of his latest grand slam singles title at the Australian Open.

Less than a month after winning his second consecutive Australian Open, Jannik Sinner will accept an immediate three-month ban from tennis.

Jannik Sinner, the world’s No. 1 male tennis player, has accepted a three-month ban from the sport following an anti-doping rule violation. Australian Open champion Sinner, 23, received a sanction in August but was found by the International Tennis Integrity Agency (ITIA) to bear “no fault or negligence” after twice testing positive for clostebol — a banned anabolic steroid — at the Indian Wells Masters 1000 tournament in March.

Novak Djokovic says a majority of tennis players have lost faith in the anti-doping authorities following Jannik Sinner’s three-month ban, and there’s a widespread feeling that “favoritism” is being shown to the sport’s biggest stars.

Jannik Sinner’s three-month doping ban isn’t sitting right with some in the tennis world. Australian star Nick Kyrgios ripped the World Anti-Doping Agency (WADA), claiming Sinner got off easy with the monthslong suspension over his two positive drug tests.

WADA offered an explanation for the difference in doping bans between tennis player Jannik Sinner (three months) and figure skater Laura Barquero (six years).

Novak Djokovic offered some strong comments on Monday regarding the suspension Jannik Sinner received from the World Anti-Doping Agency. Sinner, who is the No.

Despite testing positive for a banned substance, Tennis world number one Jannik Sinner has only been banned for three months. Novak Djokovic spoke of "favoritism," while Alexander Zverev called the case "odd.