Roger Federer's trademark serve-and-volley game makes him the bookmakers' favourite to seal his ninth Wimbledon title this year.
Rafael Nadal kept the flag flying for the old guard at the Australian Open with a 6-3, 6-4, 6-2 victory over American Frances Tiafoe on Tuesday for a place in the semi-finals, where he will meet another next generation player in Stefanos Tsitsipas.
The fighting spirit that propelled Chung Hyeon to the Australian Open semi-finals went missing on Friday as the South Korean trailblazer cut short his much-anticipated clash with Roger Federer after suffering foot blisters.
Djokovic is clubbed with Federer, Juan Martin Del Potro, David Goffin and Alexander Zverev.
Images from Day one of the 2019 Davis Cup at La Caja Magica in Madrid on Monday
World champion Marc Marquez underlined his dominance of MotoGP when he swept to a record-equalling 12th pole position of the season on a good day for Spain at the Australian Grand Prix on Saturday.
Coming into the do-or-die match, Rohan Bopanna and Leander Paes, with a combined age of 86, won 6-3, 6-7(9), 7-5 after two hours and 21 minutes against Pavic and Skugor, ranked 15 and 32 respectively.
"It's been an amazing year so far," said the 25-year-old Nishikori, who will move up to fourth from fifth in the world rankings. "I've had some good Grand Slams, too."
Rafael Nadal has played down the significance of his quarter-final defeat by Austrian Dominic Thiem at the Madrid Open
The Serena Williams show continued at the US Open as the world number one moved a step closer to a calendar Grand Slam on Wednesday, while Mardy Fish took a final Flushing Meadows bow as the curtain came down on the American's career.
Already ranked ninth in Forbes' list of top tennis earners, Japan's Kei Nishikori is due for a bigger share of the off-court largesse despite losing Monday's final at the US Open, US marketing experts say.
Serena Williams wasted no time in sweeping aside big-serving Hungarian Timea Babos.
Andy Murray took a step closer to a first title in arguably the toughest year of his playing career, grinding out a 3-6, 7-5 ,6-2 win over Ugo Humbert on Saturday to reach the final of the European Open in Antwerp.
Serbian former world number one Novak Djokovic will be in action at his home club, working under old coach Marian Vajda -- desperately searching for some spark after tumbling down to 13th in the rankings.
Already without the likes of Richard Gasquet and Gael Monfils for the final against Croatia, Noah decided to leave out Lucas Pouille, the top-ranked player in his squad.
Briton Andy Murray will take over from Novak Djokovic as World No 1 when the rankings are updated on Monday after his Paris Masters semi-final opponent Milos Raonic withdrew with a leg injury on Saturday.
Novak Djokovic scraped over his first hurdle at the Rome Masters.
Rafael Nadal stayed on course for a record-extending 10th Monte Carlo Masters title when the Spaniard beat David Goffin 6-3, 6-1 in the semi-finals after the Belgian was denied a key point in controversial fashion on Saturday.
Images from Monday's action at the French Open.
List of US Open men's singles champions since the Open Era began in 1968:
Roger Federer savoured the latest chapter of a late-career fairytale that delivered a sixth Australian Open crown on Sunday and a very 'special' 20th Grand Slam title.
In fact, barring 2014 when Stan Wawrinka won the title, no player apart from the quartet has even been involved in the men's final at Melbourne Park since 2008.
Edmund, playing in his first Grand Glam quarter-final, showed no nerves as he blazed away with his fearsome forehand to subdue a nervy Dimitrov.
Davis Cup holders Britain edged into a 2-1 lead in Serbia after Jamie Murray and Dominic Inglot won Saturday's doubles.
Gilles Simon's giant-killing spree culminated in a stupendous title win as he humbled second seed Kevin Anderson in straight sets to lift the inaugural Tata Open Maharashtra trophy, in Pune.
Top seed Novak Djokovic was tested by net-charging Spaniard Feliciano Lopez in a duel of volleys and passing shots before booking a berth in the semi-finals of the US Open in the wee hours of Wednesday.
Images from all the action on Day 3 at the Australian Open in Melbourne on Wednesday
World number ones Serena Williams, aiming to complete the first calendar-year Grand Slam in 27 years, and Novak Djokovic have been named the top seeds for the US Open championships starting on Monday in New York.
Andy Murray and Rafael Nadal were winners but six seeds were beaten in a day of upsets in the second round at the Rogers Cup in Montreal on Thursday.
Roger Federer says he does not regret passing up the chance to topple great rival Rafael Nadal from the top of the world rankings at the ATP Finals in London this week.
Second seed Roger Federer powered to a 6-4, 6-3, 6-2 win over Roberto Bautista on Tuesday, charging into the quarter-finals of the US Open for the 10th time in 11 years.
On the men's side, the fields have already been divided into two ATP 250 tournaments.
If it is so dark that Hawkeye stops working, then matches should be called off at Wimbledon, Roger Federer said.
Change might be afoot though, according to American great John McEnroe
Sharapova was broken in the first game but fought back to draw level before going on to take the first set with a hold to love.
The 33-year-old Swiss, ranked 261 in the world after two knee surgeries, served solidly throughout a one-sided contest on the slick centre court, easing past an opponent who struggled to cope with Wawrinka's power.
Murray, who suffered an elbow injury in March and made his return from a five-week layoff on Wednesday after a first-round bye, won the opening set in 48 minutes before losing concentration.
Juan Martin del Potro could be a 'nightmare opponent' for Rafael Nadal when they clash in the French Open semi-finals on Friday, according to former champion Mats Wilander.
Rafael Nadal and Roger Federer will set aside their long-time rivalry when they play for Europe against the rest of the world in the inaugural Laver Cup tournament which starts on Friday.
With rain having washed out Wednesday's play, Federer along with champion Rafael Nadal and top seed Novak Djokovic all face playing back-to-back matches on Thursday if they want to reach the quarter-finals.
