Tennis matches at the Ariake Tennis Park will begin from 3pm local time (0600 GMT) from Thursday, governing body International Tennis Federation said after requests from players who had struggled in the stifling weather.
The winners of the Serbia-Germany tie will join Spain, Russia and Italy in the semi-finals.
Novak Djokovic eased into the last four with a commanding performance over Japan's Kei Nishikori but world number two Daniil Medvedev bowed out of the men's singles at the Tokyo Olympics.
Dominic Thiem and home crowd favourite Filip Krajinovic reached the final of Novak Djokovic's tournament as the world number one broke down in tears in front of a packed 4,000 crowd on Sunday. World number three Thiem beat Grigor Dimitrov in straight sets to set up the clash with Krajinovic.
Novak Djokovic's ability to play his best tennis under pressure can help him win at least five more Grand Slam titles, John McEnroe said after the World No.1 tied Roger Federer and Rafael Nadal's record with his 20th major at Wimbledon on Sunday.
Novak Djokovic will be favourite to reach his 27th Grand Slam final when he faces Stefanos Tsitsipas in the French Open semis on Friday but what had been a smooth path through the draw has suddenly got a little rocky.
Nadal had previously said this year could be his final one on the tour.
To the clear delight of the fans, however, Djokovic then bounded onto the court after his practice partner had won the first set and proceeded to wrap up a 6-3, 6-3 win over the Italian teenager.
World number one Novak Djokovic saved three match points to beat France's Gael Monfils 2-6, 7-6(8), 6-1 on Friday as he set up a final showdown at the Dubai Open with Greek second seed Stefanos Tsitsipas. Djokovic is yet to lose this year and the Australian Open champion extended his unbeaten run in 2020 to 17 matches with what was also his 17th win over Monfils.
Novak Djokovic's stunning disqualification from the US Open on Sunday for striking a line judge with a ball is the most difficult moment in his career, said his former coach Boris Becker.
Djokovic, seeking a record-extending ninth title in Melbourne, was cruising after winning the opening two sets of his third-round clash but a slip at 1-1 in the third set almost derailed his progress.
Off-court distractions and a neck injury could not prevent Novak Djokovic from extending his winning run this year to 23 matches and the Serbian could not be in more intimidating form ahead of the US Open.
'I didn't know few hours before I stepped on the court tonight whether I'm gonna play or not.'
Novak Djokovic endured a fierce challenge to his Melbourne Park reign before overhauling Dominic Thiem 6-4, 4-6, 2-6, 6-3, 6-4 on Sunday to clinch an eighth Australian Open crown and reclaim the world number one ranking. He captured the decisive break in the third game of the final set, then held firm as Thiem made desperate assaults on his serve. Going for broke in a nerve-shredding final game, the fifth seeded Austrian went for the lines but missed twice to hand Djokovic one of his most hard-earnt triumphs.
Images from Day 9 of Wimbledon at the All England Lawn Tennis and Croquet Club in London, on Wednesday.
Novak Djokovic is capable of extending his record for holding the men's World No. 1 ranking for most weeks to 400, said Russia's Daniil Medvedev who will climb up to a career-best ranking of second on Monday.
Novak Djokovic ruthlessly took Matteo Berrettini apart at the ATP Finals on Sunday as he began his quest to reclaim the number one ranking by winning his opening group match 6-2, 6-1.
Djokovic will need to win in Tokyo and then the US Open later this year to achieve the feat that has so far only been accomplished by Steffi Graf in 1988.
Novak Djokovic cruised past Germany's Jan-Lennard Struff 6-3, 6-1 on Wednesday to reach a record-equalling eighth Western & Southern Open semi-final in New York where he will face Spaniard Roberto Bautista Agut.
The first leg of Djokovic's Adria Tour is being held at his tennis complex by the Danube River, with Germany's Alexander Zverev, Austrian Dominic Thiem and Bulgarian Grigor Dimitrov arriving for the event.
Novak Djokovic proved to be a calming influence throughout
Delighted world number one Novak Djokovic said he was back to his best after winning a third Madrid Open title on Sunday, defeating Stefanos Tsitsipas 6-3, 6-4.
Eight-time Wimbledon champion Roger Federer, who turns 40 this year, takes on Frenchman Adrian Mannarino in round one.
Osaka will play Jennifer Brady for the title.
The world number one had arrived in Tokyo aiming to become the first man to win all four majors and an Olympic gold medal in the same calendar year. But that quest came to an end after he was beaten by fifth-ranked German Alexander Zverev in Friday's semi-final.
Novak Djokovic recovered his poise to win the Rome Masters title and Wilander says Djokovic will use the pain of his US debacle to inflict maximum damage on the Parisian clay.
Images from Day 8 of the 2021 US Open in New York on Monday.
French Open and Wimbledon champion Alcaraz, who won both of his previous meetings with Sinner this year, recovered from a slow start to wrap up victory in three hours, 21 minutes and improve his head-to-head record with the Italian to 6-4.
Sabalenka crashed to a 6-7(5), 6-4, 6-4 defeat to Russian teenager Mirra Andreeva
It was only 13-time champion Rafael Nadal's third defeat here since his debut in 2005 and the first time in 115 best-of-five-set matches on clay that he had lost after taking the opening set.
Italy's Sara Errani and Jasmine Paolini beat Mirra Andreeva and Diana Shnaider 2-6, 6-1, (10-7) to win Olympic gold in the women's doubles tennis on Sunday.
Organisers of the world's biggest tournaments say they will not make the same mistakes as they reopen the sport and seek to keep the players safe.
Wimbledon finalists Novak Djokovic and Roger Federer are on a semi-final collision course at the US Open after they were placed in the same half of the draw.
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World number one Novak Djokovic turned the page on his contentious US Open exit and began his claycourt season with a convincing 6-3, 6-2 victory over wildcard Salvatore Caruso in the second round of the Italian Open.
Russia's fourth seed Daniil Medvedev crushed Stefanos Tsitsipas in straight sets to set up a title clash with Novak Djokovic at the Australian Open in Melbourne on Friday.
Novak Djokovic said he was "sad and empty" after a being disqualified from the US Open on Sunday after hitting a line judge in the throat with a ball during his fourth-round match against Spain's Pablo Carreno Busta.
Kate, Britain's Princess of Wales, arrived smiling at the Wimbledon tennis championships on Sunday to watch the men's singles final.
Jannik Sinner has withdrawn from the Paris Games due to tonsillitis.
Djokovic recalled watching Yokozuna Akebono who became sumo's first foreign-born grand champion in 1993.
