Less than a month after her run to the Wimbledon final, where she lost to Spain's Garbine Muguruza, 37-year-old Williams again had to turn back time against a young challenger.
Australian Nick Kyrgios has pulled out of the Rotterdam Open in February to play in basketball's NBA All-Star Celebrity Game, tournament director Richard Krajicek was quoted as saying on Wednesday.
Nick Kyrgios has likened Novak Djokovic to NBA player LeBron James in his influence both on and off the court but says he had a duty to call out the world number one when he "lost his way" during the COVID-19 pandemic.
Sixth seed Nick Kyrgios battered Gael Monfils 6-4 6-4 and David Goffin outlasted Marin Cilic 7-5, 6-4 on Saturday to advance to the Japan Open final in Tokyo.
Australian Nick Kyrgios let his tennis do the talking against Stanislas Wawrinka as he knocked the fourth seed out of the Madrid Open with a scintillating display on Wednesday.
The Swedish chair umpire who gave a pep talk to Australian Nick Kyrgios during a US Open match this year has been suspended without pay for two weeks, the ATP Tour said on Tuesday.
Top seeded Ash Barty overcame a slow start to defeat Maria Sharapova 6-4 6-1, while Simona Halep battled past Ekaterina Alexandrova 3-6 7-5 6-4 in the second round of the Cincinnati Masters on Wednesday.
American tennis great Jimmy Connors has put his hand up for one of the toughest coaching assignments in the world by offering to mentor Australia's wayward talent Nick Kyrgios.
Australian Nick Kyrgios caused more on-court controversy in his defeat by unseeded German Mischa Zverev at the Shanghai Masters on Wednesday with a listless performance that could land him in trouble with the ATP.
Australia's number one tennis player Nick Kyrgios has blamed "unfair and unjust treatment" at the hands of his country's Olympic Committee for his decision not take part in the 2016 Olympic Games in Rio de Janeiro.
Nick Kyrgios was involved in a heated row in his post-match news conference after being questioned about his behaviour during his five-set victory over Dustin Brown at Wimbledon on Friday.
Images from Day 4 of the Australian Open in Melbourne on Thursday
Roger Federer became the latest big name to get sucked up by a whirlwind called Nick Kyrgios as the Australian tyro sent the Swiss top seed spinning out of the Madrid Masters in the second round on Wednesday.
Nick Kyrgios ended Novak Djokovic's 19-match winning run at Indian Wells by beating the Serb 6-4, 7-6(3) to reach the BNP Paribas Open quarter-finals in Indian Wells on Wednesday, while Roger Federer also advanced with a straight sets win over Rafael Nadal.
Kyrgios, 23, has teased and tantalised his fans in five years as a professional, making headlines by beating Roger Federer, Novak Djokovic and Rafael Nadal the first time he played them.
Rafael Nadal, who lost all four of his previous Miami Open finals, will be out to snap a run of three straight defeats against Roger Federer.
Nick Kyrgios continued his impressive run of form ahead of this month's Australian Open by powering the host nation to the mixed-team Hopman Cup title against Ukraine in Perth on Saturday.
Australia's tempestuous talent Nick Kyrgios has the potential to be a future grand slam champion but could just as easily be lost to the sport if he fails to get the support he needs, according to former Wimbledon champion Pat Cash.
Mavericks won the men's doubles and men's legends singles rubber, but the Slammers clinched the women's singles, mixed doubles and men's singles to come out trumps.
Nick Kyrgios has the weapons to beat Andy Murray in their Wimbledon fourth-round clash on Monday but must play the match on his own terms, according to former champion Lleyton Hewitt.
Former Wimbledon champion Pat Cash has urged Nick Kyrgios to cut out distractions such as social media and practise harder to fulfil his potential, but the Australian firebrand responded by telling Cash to mind his own business -- via Twitter.
'I'm not asking everyone to love me but at least know me as a person first before you judge me'
Australia's Alex de Minaur fought back from a set down to beat former world number one Andy Murray
Tennis Australia chief Steve Healy has labelled Bernard Tomic disrespectful and said Nick Kyrgios was picking unnecessary fights with Olympic officials as the debate over who should represent the country at the Rio Games continued on Wednesday.
The 36-year-old Swiss will play Canada's Milos Raonic in Sunday's final.
A first-week choke by leading woman Sam Stosur and a grudging loss by ageing men's warrior Lleyton Hewitt has generally been the blueprint for the home players at the Australian Open, but teenage talent Nick Kyrgios may be poised to buck the trend of local underachievement.
Australia's number two Bernard Tomic will be absent from this week's Davis Cup quarter-finals but the United States will still have a fight on their hands in Brisbane due to the impressive form of Nick Kyrgios, US team captain Jim Courier said.
Once a global super-power in the sport, Australia has waited in vain for a new men's talent to take the mantle from an ageing Lleyton Hewitt and 19-year-old Kyrgios's stylish advance to the Wimbledon quarters propelled a tidal wave of accolades from former players, Hollywood celebrities and politicians.
If tennis player Nick Kyrgios has been chastened by a warning about his future behaviour from Australia's chef de mission for the Rio Olympics, he is not showing it.
'He probably deserves a player that is probably more dedicated to the game than I am. He deserves a better athlete than me'
Nick Kyrgios hit back at John McEnroe's suggestion that he had stopped trying late in his defeat at the Australian Open on Wednesday, sarcastically suggesting the tennis great turned TV pundit "knows everything".
Australia's new Davis Cup captain Lleyton Hewitt has backed the country's bad boy of tennis Nick Kyrgios to "control" the image he projects and break through for a grand slam trophy in the next year or two.
World number one Rafael Nadal produced a ruthless performance to win his 75th singles title, beating Australian Nick Kyrgios 6-2, 6-1 in the China Open final on Sunday.
Australian Nick Kyrgios and Ana Konjuh of Croatia followed in some famous footsteps on Saturday when they were crowned junior champions at the Australian Open.
"I hope they both become ultra successful because at the end of the day, they will be humbled very quickly. If you become successful you cannot carry on like this.
'I don't really like running. I don't like that my shoes get dirty. I don't train too much on clay as it makes my car dirty'
Rafael Nadal returns to his favourite tournament, albeit not his preferred court, to begin pursuit of a record-extending 10th French Open title on Monday against Frenchman Benoit Paire.
Indo-Australian pair of Mahesh Bhupathi and Nick Kyrgios failed to cross the opening hurdle of the men's doubles event, suffering a straight-set defeat against Lucas Pouille and Thanasi Kokkinakis in the French Open.
'You'd also be wrong if you tried to lump me in the same category as Bernard Tomic'
Nick Kyrgios himself gave a typically unvarnished verdict: 'Pretty pathetic'.