Swiss world number two Roger Federer could extend his record grand slam tally to 20 if he remains fit and motivated, according to his coach Paul Annacone.
Reaching the semi-finals at the 2014 Wimbledon and the 2017 Australian Open remain his best returns in Grand Slams.
Carlos Alcaraz powered into his third successive Australian Open quarter-final, beating Tommy Paul in straight sets in a match interrupted by a medical emergency.
Players will have an additional five seconds between points at next year's Australian Open but time-wasters will have nowhere to hide thanks to the introduction of shot-clocks.
Serena confirmed her entry to the tournament she won for a seventh time on her last appearance in 2017.
Sunday's showdown between four-times Grand Slam champion Sabalenka and former world number 13 Kyrgios is seen by many as entertainment, but critics believe it risks undermining women's tennis by trivialising decades of progress toward equality.
Garbine Muguruza is doing her best to stay grounded ahead of the Australian Open after a breakout 2015 season brought a wave of attention and suggestions that she was a Grand Slam champion in waiting.
Alexander Zverev will be third seed for the French Open but the 28-year-old German's prospects of winning his first Grand Slam title in Paris are not looking especially bright.
Roger Federer described his performance against Andy Murray to win the Australian Open title as possibly the best of his career and his words were not intended just to make the tearful Scot feel better. Improbably the 28-year-old Swiss, who notched a 16th Grand Slam title with his 6-3, 6-4, 7-6 victory, appears to be still improving, which for the players hoping to garnish their own CV's with majors is a frightening prospect.
Sania Mirza and Martina Hingis are gunning for their third title of the season as they take on Czech Republic combination of Andrea Hlavackova and Lucie Hradeck in the Women's Doubles final at Australian Open. The Indo-Swiss pair had a dream time in 2015 when they won 9 titles which included the Wimbledon, US Open and the year-ending WTA finals. That form has carried in 2016 as they eye a successive third Grand Slam. The World No.1 duo had defeated Julia Goerges and Karolina Pliskova 6-1, 6-0 to continue their dominance in Women's Doubles events.
American twins Bob and Mike Bryan became the most successful men's pair in grand-slam history on Saturday when they won their 13th doubles title together at the Australian Open.
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.
Gauff is a fan favourite in Melbourne
'Doesn't matter what the head-to-head looks like. It's always a new match, always a new battle.'
Skipping hard-court tune-ups in Toronto and Cincinnati, Djokovic has placed all his chips on New York in what many see as his last realistic shot at Grand Slam glory.
Aryna Sabalenka is the first woman to win back to back US Open singles titles since Serena Williams in 2014.
The four-times Grand Slam champion, who is eyeing her third Australian Open trophy when the tournament begins on January 18 at Melbourne Park, was pushed harder in the next set but edged ahead again at 5-4 to wrap up the win on serve.
Canadian teenager Bianca Andreescu's Indian Wells triumph was not shown on television in her home country but that did not dampen the excitement across a nation where the future of women's tennis is suddenly looking as bright as ever.
Hsieh Su-wei proudly flew the Taiwanese flag on Friday when she became the first player from her country to reach the last 16 of a Grand Slam tournament. The 22-year-old qualifier edged out France's Aravane Rezai 6-2, 6-7, 6-4 and now plays top seed and world number one Justine Henin of Belgium.
Divya Deshmukh not only became the first Indian woman to win the FIDE Women's World Cup, she also instantly secured the prestigious Grandmaster title.
The unseeded Russian beat Marcos Baghdatis to reach the quarter-finals of a Grand Slam for the first time at the French Open.
Australia's Alexei Popyrin was the last man standing, losing 7-6 (3), 6-3, 6-7 (10), 4-6, 6-3 to France's Lucas Pouille in their third round match.
The WTA has backed players' demands for greater privacy at tournaments after footage of Coco Gauff smashing her racket off court at the Australian Open sparked debate over camera use in player areas.
The world number one fired a final round eight-under 64 to romp to a seven-stroke win over Phil Mickelson.
'He's one of those players that are dangerous for everybody'
It took 12 years of hard graft to finally realise her dream but Francesca Schiavone said the long wait made her French Open title taste even sweeter.
Leander Paes created history on Saturday, becoming the first Indian to complete a career Grand Slam by winning the Australian Open men's doubles title with Radek Stepanek.
Even the great Kohli could only watch in pure admiration as Devedutt Padikkal set the stage on fire to power RCB to an emphatic victory.
Their incredible run began at the US Open in 2019, and includes a silver medal at the Paralympics in Tokyo last year.
Hans Niemann quite literally made a splash on Wednesday, winning an underwater chess exhibition as festivities opened for the Freestyle Chess Grand Slam Finals in Cape Town, where the world's elite players gathered ahead of the main competition.
World number one Novak Djokovic has disclosed that his sudden slump in form was due to ' private issues' and not because of a lingering wrist injury.
Roger Federer, Rafa Nadal and Novak Djokovic have won the last 11 Grand Slams between them and an incredible 54 since 2003.
World number one Serena Williams shows no sign of slowing down with age and should win more than 20 Grand Slam singles titles, former great Martina Navratilova has said.
Top seed Tomas Berdych takes a lot inspiration from his country's stupendous show in 2012 as he now targets to win his maiden Grand Slam title in the new season.
Jannik Sinner returns to the Australian Open targeting a third straight title as the Italian seeks to impose a level of supremacy reminiscent of Novak Djokovic's stranglehold on the year's opening Grand Slam.
The extended lockdown of tennis will help Andy Murray's return from injury but it will be "a big ask" for him to add to his three Grand Slam titles, according to former British number one Greg Rusedski. Murray underwent hip re-surfacing surgery at the start of 2019 and resumed playing doubles in June before returning to singles action in August.
Novak Djokovic hates to lose, but the five-times Grand Slam champion was happy for his friend Andy Murray, who beat him in a pulsating, five-set struggle for the US Open title on Monday.
World number one Simona Halep has twice been left heartbroken in her quest for Grand Slam glory in Paris. Yet even now, standing just two wins away from redemption, she says she feels no pressure.
American 18-year-old Iva Jovic pulled off the biggest upset of her young career when she stunned Italian seventh seed Jasmine Paolini.