Nick Kyrgios is back to calling out Jannik Sinner but this time it came while responding to a troll who mocked the Australian for his winningless season so far. Earlier this month, the 2022 Wimbledon finalist launched his post-surgery comeback after being sidelined for 18 months.

In April, the world’s best male player, the Italian Jannik Sinner, will swap the blue hues of Rod Laver Arena for a more confronting court; his doping appeal case against the International Tennis Integrity Agency, the World Anti-Doping Agency and the International Tennis Federation, is listed for two days in the Court of Arbitration for Sport.

Everything that Jannik Sinner means to the summit of men's tennis could be temporarily wiped away in just a few months.

World No 1 Jannik Sinner makes it 16 wins in a row; No 5 seed Daniil Medvedev dumped out of Australian Open by 19-year-old American Learner Tien in five-set epic; Nick Kyrgios and Thanasi Kokkinakis p

As Jannik Sinner prepares to face Alex Zverev in the Australian Open final, there will still be many tennis fans talking about his relationship with Anna Kalinskaya

Nick Kyrgios was left in absolute disbelief after reading one comment about Alex de Minaur's game that he even declared it "the worst take ever." At this year's Australian Open, the top-ranked Australian male tennis player reached his first quarterfinal at Melbourne Park before Jannik Sinner ended his campaign with a routine 6-3 6-2 6-1 win.

Former Australian Football League player Kane Cornes declared Nick Kyrgios "the most disappointing Australian athlete ever" and also ripped him as "a 29-year-old child," but the 2022 Wimbledon finalist had a strong response ready.

Tennis fans are calling out the great "shame" of Jannik Sinner's march into the Australian Open final, given anything he achieves in Melbourne will be clouded by a possible suspension. The World No.1 proved way too good for Ben Shelton on Friday night, demolishing the American 7-6 (7-2) 6-2 6-2.

But there have been signs of the tension and pressure that Sinner is feeling, with the Italian battling illness in a gruelling fourth-round win over Holger Rune and then cramping in the semi-finals against Ben Shelton on Friday despite winning in straight sets.

We were told that Alex de Minaur was ready to match it with the best now, but he failed miserably in the test that was Jannik Sinner and it left us all wanting another Aussie, writes Scott Gullan. The great Aussie hope was ready to win a grand slam,

Facing Sinner reminded Alexander Zverev of trying to solve the challenge presented by the 24-time major champion Djokovic.

Paula Badosa-Stefanos Tsitsipas, Jannik Sinner-Anna Kalinskaya "He's 16 and you're 29...pathetic" - Fans slam Nick Kyrgios over comments on Lleyton Hewitt's son Cruz practicing with Jannik Sinner ...