Djokovic helped Serbia to a 3-0 victory over Japan in their Group A opener on Wednesday at La Caja Magica where a revamped Davis Cup climax is being contested by 18 nations over seven days.
None of Europe's top five leagues have been able to hold matches with spectators since football has returned, although championships in countries such as Serbia, Bulgaria and Denmark have allowed fans back in to matches.
Switzerland are unlikely to face the same hostility when they face already-eliminated Costa Rica in Group E of the World Cup on Wednesday.
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.
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.
He went on to lift the US Open title in 1994 and, after shaving his head on the advice of his then actress girlfriend Brooke Shields, the Australian Open crown in 1995 before adding an Olympic gold at Atlanta 1996.
World number three Dominic Thiem is "extremely sorry" for the way players conducted themselves at Novak Djokovic's Adria Tour exhibition event after which four players tested positive for the novel coronavirus, the Austrian said on Thursday. Djokovic, Grigor Dimitrov, Borna Coric and Viktor Troicki tested positive after playing in the charity tournament in Serbia and Croatia, which drew big crowds and saw players pose for pictures together.
'He can say what he wants, I don't have a problem with it. Does he show me the same amount of respect that most other players do? No, he doesn't, but that's the way he communicates these days'
Twelfth seed Djokovic resumed two sets to one ahead after snatching a third-set tiebreak the previous night before Wimbledon's 11pm curfew left the match on a knife edge.
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.
Serena Williams was the runner-up in Flushing Meadows each of the past two years
News of all that's transpired on and off the football field
Naomi Osaka faces Zheng before possible meeting with Coco Gauff
Former world number one Heena Sidhu missed out on qualifying for the final of women's 10-metre air pistol event by just one point on the concluding day of the ISSF World Cup in Munich on Wednesday. At the Olympic Shooting Centre, Heena finished 12th out of 104 shooters in the eventual standings but would have been pleased at having shot a higher score than 384 ahead of the all-important Rio Olympics. The eighth finalist from Serbia, who eventually won the gold, made it through with a score of 385 and had less inner 10s than Heena. Shweta Singh and Shri Nivetha Paramanantham, the other Indians in the event shot 378 and 377 to finish 47th and 52nd respectively. Serbia's Bobana Velickovic won the gold in the event, while Sonia Franquet of Spain bagged the silver and China's Mengxue Zhang won the bronze medal.
With champions Germany out, Argentina only scraping through, and Spain in turmoil, many see Brazil as the clear favourites to lift the World Cup in Moscow on July 15.
Greek third seed Stefanos Tsitsipas battled back from a set down to beat Serbia's Filip Krajinovic 3-6, 6-4, 6-4 in the quarter-finals of the Swiss Indoor championship on Friday. The win took Tsitsipas into his 10th semi-final of the season where he will face top seed Roger Federer, who was handed a walkover after Swiss compatriot Stan Wawrinka withdrew before their quarter-final with a back issue.
Three-time US Open champion Djokovic, who comes into the tournament having won his fifth Wimbledon title, is followed in the seedings by 2017 winner Rafael Nadal.
Serena Williams, hoping to win a record-equalling 24th Grand Slam singles title, will start her campaign against fellow American Kristie Ahn.
Holders Portugal must face Ukraine and Serbia in a tricky five-team Group B while world champions France drew Iceland and Turkey in Group H. The top two teams from each group qualify automatically. Unlike previous tournaments, the playoffs to decide the four other spots will be contested between the most successful teams from the four divisions of the Nations League who have not already qualified.
Austrian Thiem was 6-2, 3-6, 7-5, 5-7, 4-1 up when the men's match, which had already been halted on Friday because of bad weather, was stopped.
Ivanovic enters a twilight zone, aka the French Open press room.
Supermodel Heidi Klum doesn't shy away from showing her emotions. The 40-year-old model was at her sporting best at the US Open tennis tournament in New York on Monday.
Asian silver-medallist Sumit Sangwan (91kg) and former junior World champion Nikhat Zareen (51kg) were among eight Indian boxers to make the finals, while five others settled for bronze medals in the 56th Belgrade International Tournament in Serbia.
'If my character is kissing her love, I am okay with that.' I wouldn't do unnecessarily a bold character for the popularity.'
Celebrities from the world of Hollywood, fashion and sport were there to witness the proceedings of the fourth and final Grand Slam of the year.
Sharan and Nys did not get any break-point in the 72-minute clash
Novak Djokovic dredged his tank of mental and physical resilience to claim a thrilling 7-6(5), 1-6, 7-6(4), 4-6, 13-12(3) win.
World number one Rafael Nadal won a battle of attrition against fellow left-hander Yoshihito Nishioka of Japan 7-6(4), 6-4 to seal Spain's spot in the final eight of the inaugural ATP Cup in Perth on Wednesday. Meanwhile his long-time rival, world number two Novak Djokovic, had an easier outing in Brisbane, strolling past Chile's Cristian Garin 6-3, 6-3 to stay undefeated in the new year.
Novak Djokovic had his neck taped during the match on Court Philippe Chatrier and his movements seemed somewhat restricted
Novak Djokovic's flamboyant on-court demeanour may be occasionally unacceptable but it is an integral part of his success, the world number one said.
India's Davis Cup tie against Finland was on Friday postponed to 2021 as the International Tennis Federation pushed back all the matches, including the Finals, to next year owing to COVID-19 pandemic. India were scheduled to travel to Finland for the World Group I tie in September.
Here are other key moments and athletes to look out for at Tokyo 2020 when the sport gets underway in earnest on Saturday
IMAGES from Day 5 of the Wimbledon Championships at All England Lawn Tennis and Croquet Club on Friday.
When it comes to the Australian Open the Serbian reigns supreme.
With Sunday's win, the world number one took his Grand Slam tally to 18, just two shy of Roger Federer and Rafael Nadal's men's record of 20.
Portugal captain Cristiano Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0
The Balkan countries of Serbia and Bosnia have been battered by the worst floods in the last 120 years in the region. Almost four million people have been affected by the floods.
Former world number one Andy Murray is in line to play Grigor Dimitrov in the opening round of the inaugural ATP Cup, with Bulgaria qualifying among the final six teams in the nation-based tournament.
List of men's singles champions at Wimbledon:
It would have been great for Indian tennis had Novak Djokovic decided to turn up in this week's Davis Cup tie in Bangalore, country's leading singles star Somdev Devvarman said.
