Novak Djokovic's father Srdjan said on Friday he would not attend his son's Australian Open semi-final and would instead "watch from home".
Djokovic's father blamed the cancellation of the tour on Dimitrov. There is nothing to suggest that Dimitrov spread the virus to others.
Novak Djokovic has so far declined to disclose whether he is vaccinated and his father told Serbia's TV Prva that governing body Tennis Australia's stance on players being vaccinated was tantamount to "blackmail".
At 27, the second seed is still seeking his first Grand Slam title and hopes to become the first German man to win the Australian Open since Boris Becker in 1996.
Djokovic, who is seeking to win a record 21st Grand Slam title at the tournament this month, said in a legal challenge on Saturday that he had been given the medical exemption because he had contracted COVID-19 last month.
Serbia's tennis federation (TSS) deserved no credit for the national team's maiden Davis Cup win and needed 'a thorough reconstruction', Srdjan Djokovic, father of world number three Novak Djokovic, said.
Novak Djokovic said his ailing father's struggle with serious illness had inspired him to beat Roger Federer in a thrilling climax to the ATP World Tour Finals on Monday.
Novak Djokovic is still uncertain whether he will take part in the 2022 Australian Open but will soon make a decision, the World No 1 said after Serbia's 2-1 defeat by Croatia in the Davis Cup semi-finals on Friday.
Novak Djokovic defended his father after a video emerged showing him posing at the Australian Open with some fans holding Russian flags, saying he was "misused" by the individuals and that his family was against war.
Novak Djokovic's parents, wife and children watched him win a record-breaking 23rd Grand Slam title at the Philippe Chatrier court on Sunday.
Novak Djokovic advanced to a record-extending 10th Australian Open final with an emphatic win over American Tommy Paul.
'This has nothing to do with sports, this is a political agenda. Novak is the best player and the best athlete in the world, but several hundred million people from the West can't stomach that.'
Australian Open organisers have issued a reminder to players and their entourages about their policy on "inappropriate flags" after a video emerged showing Novak Djokovic's father posing for pictures with fans holding Russian flags.
Novak Djokovic won a record-extending 10th Australian Open crown, beating Stefanos Tsitsipas in a generational clash in the men's singles final, at Melbourne Park, on Sunday.
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.
Almost 12,000 people have signed an online petition calling for the USTA to work with the country's government to allow Novak Djokovic to compete in the US Open despite his refusal to take the COVID-19 vaccine.
Novak Djokovic has pulled out of the Serbia team for the ATP Cup in Sydney, event organisers said on Wednesday, raising further doubts over whether the world number one will defend his Australian Open title next month.
Djokovic's family said his release was the 'biggest victory of his life'.
World number one Novak Djokovic said on Tuesday he would defend his Australian Open title at Melbourne Park later this month after receiving a medical exemption from getting vaccinated against COVID-19.
Djokovic, who has won nine titles at Melbourne Park, including the last three, confirmed on Tuesday that had received a vaccination exemption to allow him to bid for a record 21st major title at the Australian Open, which starts on January 17.
Factbox on 2008 Australian Open champion Novak Djokovic.
Tennis World No. 1 Novak Djokovic spent Orthodox Christmas in Australian immigration detention on Friday as his lawyers fought a government decision to remove him from the country that could scupper his shot at a record-breaking 21st Grand Slam.
Manchester United midfielder Nemanja Matic has defended his Serbian compatriot Novak Djokovic for hosting the ill-fated Adria Tour where a number of players, including the world number one, tested positive for COVID-19. Djokovic was criticised for hosting the tennis tournament amid a pandemic after his coach Goran Ivanisevic and players Grigor Dimitrov, Borna Coric and Viktor Troicki returned positive tests over the two legs in Serbia and Croatia.
World number one Novak Djokovic says he is excited by the prospect of playing at the US Open but says it would only be fair if every player eligible is able to compete. The Unites States Tennis Association (USTA) announced this week that the US Open would go ahead at the end of August without fans and with strict health protocols in place.
Germany's Zverev has described the allegations as "unfounded and untrue" and without any legal investigation the men's ATP Tour would be unlikely to intervene.
Serbian world number two Novak Djokovic forced the Davis Cup final against holders Czech Republic into a decisive fifth rubber on Sunday with a 6-4, 7-6(5), 6-2 win over Tomas Berdych in the opening reverse singles.
No tennis players hoping to compete at the Australian Open have yet been granted medical exemption from vaccination, tournament director Craig Tiley said on Thursday, as he reiterated that everyone at Melbourne Park would need to be fully inoculated.
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.
Penpix of the top men's contenders at the 2021 French Open which begins on Sunday:
World number seven Alexander Zverev has said he is still unsure about travelling to New York amid the COVID-19 pandemic to play in the US Open. Women's world number one Ash Barty and her fellow Australian Nick Kyrgios have said they are skipping the hardcourt Grand Slam, which starts on August 31 and will be played without spectators in a bio-secure 'bubble'.
A round-up of results from Davis Cup matches played on Saturday and Sunday
Last week the men's ATP and the WTA, which runs women's events, issued revised calendars for the resumption of the circuit from August while organisers of the US Open said the Grand Slam will be staged without fans as scheduled from August 31 to September 13 in New York.
Novak Djokovic spurred Serbia to a 3-0 win over neighbours Croatia in the first round of the Davis Cup on Saturday and they will be joined in the quarter-finals by an equally rampant France.
Speculation is rife that all is not well in among compatriots Roger Federer and Stanislas Wawrinka.
Roared on by 17,000 partisan fans Novak Djokovic fired Serbia ahead in the Davis Cup final on Friday but Tomas Berdych hit back for the Czech Republic to leave the tie delicately poised going into the weekend.
Holders Czech Republic took a 2-1 lead over hosts Serbia in the Davis Cup final after Tomas Berdych and Radek Stepanek romped to a 6-2, 6-4, 7-6(4) win over Nenad Zimonjic and Ilija Bozoljac in Saturday's doubles.
The Czech Republic retained their Davis Cup title after Radek Stepanek ruthlessly exploited the inexperience of Dusan Lajovic in the decisive rubber to seal a 3-2 final victory over Novak Djokovic's Serbia on Sunday.
With the Davis Cup final against France looming, Roger Federer and his Swiss team mate Stanislas Wawrinka on Tuesday played down talk of an internal row, sparked by the pair's fiery clash at the ATP World Tour Finals last week.