The two cases shocked the tennis world with many fuming at how they were handled by the authorities.
Even though he withdrew from his semi-final tie with Denis Shapovalov, Nadal's run to the last four in Paris saw him reclaim the number one spot from Novak Djokovic on Monday.
He will surpass Roger Federer's record as the oldest No. 1 in ATP Rankings history on Sunday when he will be 36 years and 321 days old.
Rohan Bopanna and his Australian partner Matthew Ebden sailed into the men's doubles final at the Miami Open.
Rafael Nadal and Novak Djokovic won their matches for their respective countries on Day 4 of the ATP Cup on Monday.
Novak Djokovic, who has won a record nine titles at Melbourne Park including the last three, has repeatedly declined to reveal whether he has been vaccinated against COVID-19, with Australian Open organisers Tennis Australia confirming that all players would have to be vaccinated to compete in Melbourne.
World number one Novak Djokovic had enough on his plate already on Wednesday without marauding Russian Daniil Medvedev pummelling him to a shock 6-3, 6-3 defeat at the ATP Finals.
The All India Tennis Association (AITA) on Tuesday suggested that the country's top player Sumit Nagal perhaps deliberately missed the Davis Cup tie against Sweden last week
Djokovic looked in fine nick in Shanghai, playing with consistency throughout the tournament to reach his fifth final at the ATP Masters 1000 event
Novak Djokovic secured a semi-final place at the ATP Finals with a 6-3, 6-2 victory over Russian Andrey Rublev on Wednesday, his 50th match win of the year, while Stefanos Tsitsipas withdrew from the tournament due to an elbow injury.
The Paris Games will be his second stint in the Olympics, having also qualified for the 2020 Tokyo Games, where he made it to the second round.
Tallon Griekspoor prevailed in a high-voltage three-set final against Benjamin Bonzi to win his maiden ATP World Tour title.
Earlier this month, the ATP also announced a two-year partnership with online learning platform Coursera which will allow players to access over 4,000 courses for free.
The ATP Tour brought the world number ones for a short conversation as they prepared for the prestigious tournament.
Debutant Stefanos Tsitsipas crushed defending champion Alexander Zverev 6-3, 6-2 on Wednesday to book his place in the last four of the ATP Finals with a match to spare.
World number one Rafael Nadal has been drawn alongside defending champion Alexander Zverev, Association of Tennis Professionals (ATP) reported.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
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.
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.
The American duo won 5-7, 6-1, 13-11 as they added the season-ending crown to the Wimbledon and US Open titles.
Medvedev became only the fourth player in ATP history to beat the world's top three at the same tournament.
Their Miami triumph was their second at the ATP Masters 1000 level after their 2023 title run in Indian Wells
Jannik Sinner secured the year-end world number one ranking by beating Czech 30th seed Tomas Machac in the Shanghai Masters semi-finals.
The All India Tennis Association claimed that Sumit Nagal demanded an annual fee of $50,000 to play Davis Cup ties for India.
Casper Ruud gained sweet revenge over Stefanos Tsitsipas as he beat the Greek fifth seed 7-5, 6-3 to win the Barcelona Open on Sunday.
However, the 33-year-old Spaniard will not know until later on Friday whether his Herculean effort was in vain.
World number two Nadal's fate will rest on his final group match against Tsitsipas.
Melbourne on Friday completed 28 days since the last reported locally-acquired case of novel coronavirus infection.
World men's number one Jannik Sinner has been cleared of fault or negligence by an independent tribunal after failing two drug tests in March, the International Tennis Integrity Authority (ITIA) said on Tuesday.
ATP events in Hamburg, Bastad, Newport, Los Cabos, Gstaad, Umag, Atlanta and Kitzbuhel will not go ahead as scheduled.
Rafael Nadal's hopes of winning the year-ending ATP Finals for the first time live on after the Spaniard beat defending champion Stefanos Tsitsipas 6-4, 4-6, 6-2 on Thursday.
Sumit Nagal was handed a straight-set defeat by Canada's Milos Raonic in the opening round of the BNP Paribas Open.
For the second consecutive Davis Cup tie, India are relying on doubles specialist N Sriram Balaji to do the singles duty
India's Yuki Bhambri and his French partner Albano Olivetti crashed out of Marrakech Open after losing the hard-fought semifinal to second seeds Lucas Miedler and Alexander Erler of Austria.
When contacted, AITA Secretary General Anil Dhupar said he does not have any objection to Bopanna playing with Balaji, ranked 84, at the Paris Olympics.
Jannik Sinner won his maiden Grand Slam title at the Australian Open on Sunday.
The duo made the men's doubles semi-finals at Wimbledon and the final of the US Open in the same season.
Balaji also showed that he can quickly adapt to conditions when he was asked to do the singles duty during the Davis Cup tie against Pakistan on grass. The rival was not of the highest quality but Balaji showed that he was willing to come out of his comfort zone if the team demands.
Roger Federer will make his return to the tennis circuit from a double knee surgery at an ATP 250 tournament in Qatar in March, having not played since last year's Australian Open.
Roger Federer called for a merger between the two governing bodies last month, with both Simon and ATP Tour Chairman Andrea Gaudenzi welcoming the suggestion. But some top WTA players have said they want an equal standing for the women players in a combined body.