He's the controversial Australian tennis star who is rarely out of the headlines.

Nick Kyrgios has taken issue with comments made by tennis greats about his on-court antics and the state of his mental health ahead of his first round US Open match.

 Nick Kyrgios faces a suspension from tennis after labelling the ATP 'corrupt'. Kyrgios made the comments after his first-round US Open win over American Steve Johnson.

Nick Kygios shrugged off yet more off-court controversy to ease into the third-round of the US Open with a straight sets win over Antoine Hoang. The Australian won 6-4, 6-2, 6-4.

Nick Kyrgios has brushed off another row with tennis officials to give Australia three players in the last 32 of the US Open men's singles.

Nick Kyrgios delivered the unexpected 'tweener' lob at the heated doubles round in front of gasping spectators at Arthur Ashe Stadium on Saturday.

Former Australian Davis Cup captain Pat Rafter says he can't understand why Nick Kyrgios hasn't already been suspended following a series of ugly tantrums this year.

The 24-year-old Australian was given a six-month probation period and faces a lengthy suspension if he doesn't promise to be on his best behaviour for six months.

Nick Kyrgios' six-month probationary period will start on Monday after the Australian opted not to appeal the punishment handed down by the ATP last week.

The tennis bad boy's Dodge Demon, one of only four in the country, was badly damaged after crashing into the pole in Bonner, ACT, on Saturday afternoon.

Nick Kyrgios' Dodge Challenger SRT Demon, one of only four in Australia, was badly damaged after crashing into a pole in Bonner, Canberra, on Saturday afternoon.

Wayward tennis talent Nick Kyrgios may be a 'different character' but Australia's Davis Cup team is better with him in it, according to captain Lleyton Hewitt.

The pair have been engaged in a war of words since Kyrgios was infamously disqualified from his match against Ruud at the Rome Masters in May.

MIKE DICKSON IN PARIS: The former British No 1 defeated Lithuanian qualifier Ricardas Berankis 6-4, 6-3 to set up a meeting against Argentinian number one Diego Schwartzmann.

Kyrgios will still be on his six-month ATP probation at the season-opening grand slam as part of the punishment from his meltdown during a match in Cincinnati in September.

Kyrgios is currently under probation by the ATP - the sport's governing body - following a meltdown at a tournament in Cincinnati in August, but the Australian No. 2 had a more positive outlook on Wednesday.

The 24-year-old admitted during a post-match interview at Friday's ATP Cup-opening in Brisbane that his hometown of Canberra remains front of mind.

Nick Kyrgios has pledged $200 for every ace he hits this season to victims of the ongoing Australia bushfires.

It's time for another Hot or Not as Sportsmail's Riath Al-Samarrai reveals what's been making him feel warm and what's left him with a chill this week. Nick Kyrgios (pictured) has shown he has a good side.

Nick Kyrgios has no plans on ditching his controversial under-arm serve after using it with success once more at the ATP Cup in Sydney.

The Australian 23rd seed toppled Italian world number 53 Lorennzo Sonego 6-2 7-6 (7-3) 7-6 (7-1) in front of a delighted crowd at Melbourne Arena on Tuesday night.

During a post-match press conference on Tuesday night, an Italian journalist hinted to the 26-year-old that she might be engaged to Berrettini, who she has been dating since September.

Kyrgios hasn't made a quarter-final at a major in five years, with just four fourth-round appearances since his final-eight showing at the 2015 Australian Open.

The elite athlete revealed he has stopped eating meat and dairy in a post online about the devastating impact of the bushfires on the Australia's wildlife.

The Australian No.1 also sampled some local Mexican cuisine with the female tennis player on Thursday two days after retiring hurt from an ATP World Tour first-round match in Acapulco.

Glamorous party girl Monique Belovukovic, 21, was driving her black Mercedes through Sydney's Surrey Hills when she was pulled over by highway patrol officers.

The Australian tennis star took to Instagram on Monday and posted the message in the hopes of helping those struggling during the pandemic.

The Australian tennis star shared a photo of boxes of food on Saturday as he did his part to help some of the thousands of families struggling financially.

Former tennis prodigy Monique Belovukovic, appeared in court for sentencing after she pleaded guilty to driving with an illicit drug present in her bloodstream/oral fluids last month.

Serena Williams has snagged the cover the Sports Illustrated 's 2019 Fashionable 50 issue - and hints in a new interview that her future may hold more fashion than sports.

The Sports Illustrated Fashionable 50 gala brought out a bevy of celebrities in Hollywood on Thursday.

Alexis, 36, reflected on his 16-weeks of paid paternity leave in a New York Times op-ed, saying the time off taught him how to care for his family.

The tennis ace, 37, who is presently competing in the US Open at Flushing Meadow, New York, revealed she finds it 'really kind of painful' to leave the toddler she shares with husband Alexis Ohanian.

The Baywatch star, 37, couldn't contain her emotions as she was seen both cheering, laughing and with her hands in the air.

Priyanka Chopra was in full best friend mode as she headed to the US Open in New York to support Serena Williams. She looked effortlessly fashionable in a floral summer dress.

SARAH VINE: My children would be the first to tell you that I am not the most sentimental of mothers. But even I would have thought twice about leaving my firstborn at home at just four months.

Royal fans have gone wild over a video of the Duchess of Sussex waving to the crowd as she watched Serena Williams play in US Tennis Open final in New York on Friday.

Tennis champion Bianca Andreescu beamed as she celebrated her historic win at the U.S. Open in New York City on Monday, two days after she beat out Serena Williams in the final.

Serena, 37, wore her hair in tumbling corkscrew curls, accessorized with a pendant necklace and stepped out in pointed toe yellow heels.

Meghan Markle skipped her friend Misha Nonoo's pop-up in NYC on Monday night despite being in the city to see friend Serena Williams play in the US Open over the weekend.

It was a see-and-be-seen event at New York Fashion Week on Tuesday, with some of the best and brightest showing up to view the self-titled collection of tennis pro Serena Williams. 

Alessandra Ambrosio was spotted with her mini-me daughter, Anja Mazur, 11, at Serena Williams' fashion show on Tuesday as part of New York Fashion Week.

The tennis pro, 37, was glammed up to the max in a slinky black dress for the Citi Taste of Tennis at Cipriani 42nd Street in New York on Thursday.

Venus has shared a loving photo with her father, Richard Williams, despite him rarely being seen with his famous daughters after skipping out on Serena's 2017 wedding to Alexis Ohanian.

The 37-year-old tennis ace, fashion entrepreneur and mom shared an Instagram snap of herself standing on a patio overlooking a lawn and the ocean beyond at her Palm Beach home on Friday..

The 37-year-old athlete/entrepreneur/activist showed off her terrifically toned stems while sporting a figure-hugging long-sleeve dress that featured a bold black and white design.

She welcomed her daughter Olympia into the world in September 2017. And Serena Williams kicked off another milestone as she took little Alexis for a first-time visit to Walt Disney World

INTERVIEW BY KIERAN JACKSON: Tennis coach Patrick Mouratoglou speaks passionately about what needs to change in tennis, and about the futures of Kyrgios, Serena Williams and Coco Gauff.

On Saturday, Serena Williams posted a photo of her 2-year-old daughter, Alexis Olympia, as a flower girl for a friend's wedding. The tennis champ matched her mini-me in a pink gown.

Serena Williams and her husband, Alexis Ohanian, enjoyed a family day out at Auckland Zoo with their daughter, Alexis Olympia Ohanian Jr., on Sunday.