He is about as unpredictable as they come but on his day he can be a handful on the court. But can you name the current world No 43 from when he was a youngster?

MATTHEW LAMBERT AT WIMBLEDON: The 32-year-old won 6-3, 6-1, 6-3 on Court No 1 and will play the controversial Australian who knocked him out in 2014 in one of Wimbledon's great upsets.

Australian tennis star Ash Barty's second round match against Belgium's Alison van Uytvanck will take place on court two instead of centre court at Wimbledon on Thursday.

Sportsmail's KIERAN GILL brings you the inside stories from Wimbledon ahead of the second Wednesday at this year's Championships, where Nishikori is said to be under the weather.

Just days after crashing out of Wimbledon in the second round, the 24-year-old posted a picture on his Instagram of himself growing up in Canberra. The tennis star played basketball for the ACT.

The bad boy of tennis can add his latest row to the showreel after he smashed his racket in a strop before refusing to shake the hand of the chair umpire Fergus Murphy.

Usually when Nick Kyrgios is creating headlines it can be for controversial reasons. But tennis's 'bad boy' was at the centre of a feel-good moment during his straight sets victory over Norbert Gombas.

The Australian notched up his fourth win against a top-10 player this year as he downed his Greek opponent 6-4 3-6 7-6 (7) in two hours and eight minutes.

Australian tennis bad boy Nick Kyrgios has shut down a spectator who attempted to heckle him during a recent training session.

The Australian tennis star could face suspension after calling an umpire a 'f***ing tool' and appearing to spit in his direction at the Cincinnati Masters on Wednesday.

Nick Kyrgios has been fined $166,714 for his latest outburst which saw him smash rackets, call the chair umpire a 'f**king tool' and refuse to get ready to return serve at the Cincinnati Masters.

Nick Kyrgios 's $300k muscle car smashed into a power pole yesterday, leaving one side completely destroyed in Canberra.

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.

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.

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

She was the runner-up at Wimbledon this month and kicked off the summer by launching her own clothing line.

Bianca Andreescu (top right), 19, became the first Canadian to win the Rogers Cup in 50 years when Serena Williams (above), 37, retired because of her injury on Sunday.

It was was a night of competition, revelry and fun for fans of tennis and badminton. Superstar tennis athletes the Williams sisters were in attendance, playing a set of doubles.

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.

Meghan Markle, 38, kept Prince Harry, 35, and four-month-old Archie close to her chest as she donned a delicate gold necklace with their initials on during her New York trip.

A throwback snap shared by a royal fan account showed how Meghan, 38, and Dame Anna, 69, sat stony-faced and appeared not to talk while watching Serena Williams at Wimbledon 2016.

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. 

This mom-to-be has had a busy day. Just after attending Serena Williams' show Ashley Graham took some downtime before heading to the Savage X Fenty Show by Amazon Prime Video.

She's a veteran pop culture junkie who's interviewed the who's who of the entertainment industry. 

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.

The tennis racket that was famously smashed by Serena Williams during an on-court argument with umpires at the 2018 U.S. Open women's final is set to go up for auction, and could fetch $50,000.

Serena Williams looked like an ace as she hosted the second annual Miami pop-up for her brand Serena at the shop Faena Bazaar on Wednesday. The Grand Slam champ, 38, dazzled in a jumpsuit.

The 38-year-old tennis ace's two piece was styled very high on the hips, making the most of her long legs and bounteous booty in two snaps she shared on Instagram on Friday.

The Bulgarian tennis star, 28, defended his garish outfit, saying he didn't want to wear anything 'vanilla' and that he'd collaborated with kit sponsor Nike on the colourful tracksuit.

Serena Williams recently revealed she is struggling with anxiety amid the COVID-19 pandemic. But the tennis star seemed to be in better spirits on Tuesday while she posted videos to Instagram.

HENRY DEEDES: As the PM took his place at the Downing Street podium to address the nation on coronavirus, it was like witnessing a frustrated footballer suddenly moving to the favourite position.

HENRY DEEDES: There is a fairground spookiness to Parliament (pictured) at the moment. Most areas are boarded up or deserted.

Back at last in their favorite Downing Street rehearsal room, the Prime Minister (pictured), gave the government's daily coronavirus briefing with his scientific and medical advisers.

Bond aficionados will know that early in each story comes an inaugural meeting between hero and foe. A chance encounter over highballs, perhaps, or a high-stakes hand of chemin de fer.

JORDAN SEWARD AT ALEXANDRA PALACE: The Ally Pally has become synonymous with the festive period and is a Christmas ritual for many from all walks of life. It's a night out like no other.

Michael Van Gerwen secured a rapid victory over Ricky Evans to progress into the last 16 of the PDC World Championship.

After the fesitivies of Christmas Day, Boxing Day is made for one thing and one thing only - sport. We have you covered, with your definitive watching brief to ensure you can cram in every bit of action.

The former rugby player did not find the scintillating form which saw him whitewash John Henderson in the previous round with an average of 105 and afterwards hit out at Whitlock's pace of play.

Labanauskas, who had taken the opener to threaten a surprise, drew blood after accidentally stabbing himself with a dart, but showed no ill effects after the brief interruption.

Parents of young sports men and women have been warned about predatory coaches who may use their position to take advantage of children and how to spot the warning signs.

JEFF POWELL: My long-range admiration for Courtney Lawes as a man has been cemented by his principled stand against the fake allegations that criticism of Meghan Markle is racist.

HECTOR NUNNS AT ALEXANDRA PALACE: Stuart Bingham became the oldest Masters champion on Sunday night in a final dramatically halted by a phantom raspberry-blower.

Fallon Sherrock will face Glen Durrant on her Premier League debut in Nottingham next month. The 25-year-old was named as a challenger for the second night of the tournament

Athletes have accused World Athletics of favouring Nike in the wake of their new regulations to tackle the growing controversy around racing shoes.

Great Britain's hopes of reaching the next Winter Olympics were dashed on Sunday when they were defeated 4-1 by their old rivals Hungary in a winner takes all clash.

Arnold, whose 46-year coaching career yielded over 70 major medals, said: 'After London 2012 and the opportunity that brought, you have to wonder how it has been allowed to get like this.'

Jemma Reekie's coach Andy Young believes the breakthrough star of British athletics packs enough of a kick to be an Olympic contender this summer after her victory in Glasgow on Saturday.

It was left to Jason Kenny to add to the family's cycling silver after wife Laura defied doctor's orders but could not defy the odds.

World champion Mads Pedersen of Denmark has pulled out of the Paris-Nice race before the start of Saturday's final stage after his country asked its nationals to return amid the coronavirus outbreak.

EXCLUSIVE INTERVIEW: Race walker Tom Bosworth stands to miss out on as much as £20,000 this spring due to events that have been called off because of coronavirus.