Following is a list of quotes from the 17-times Grand Slam champion on tennis, the pandemic, vaccines and more:
Djokovic received severe backlash for organising the tournament with an audience amid the pandemic.
The volatile 17th seed had a quiet evening by his standards in his opening match on Monday, with just the one violation for unsportsmanlike behaviour when he asked spectator, in no uncertain terms, to be quiet while he was serving.
Top seed Rafa Nadal, who has won the tournament 10 times, also reached the last eight after dispatching compatriot Guillermo Garcia-Lopez 6-1, 6-3 and claiming a record-extending 40th consecutive set on clay.
Andy Murray is within one match of securing his place in the ATP World Tour Finals after easing past local favourite Julien Benneteau 6-3, 6-4 on Wednesday to advance to the third round of the Paris Masters.
Kevin Anderson took down Novak Djokovic for a second straight night as Team World rallied to win the final two matches and reel Team Europe's lead back to 7-5 after the second day of the Laver Cup in Chicago.
Badosa beats Fernandez; Swiatek, Halep storm into quarter-finals
Ivan Lendl says it is the ability to deal with distractions and overcome obstacles such as a lack of playing time that sets the top players in the world apart from the rest.
'But in mid-October, if we're able to come together and we've been able to provide revenue for 600 people, I think we will be very satisfied as a federation and I as a former player.'
Australian bad boy Bernard Tomic has shrugged off his Miami arrest and banishment from the Davis Cup team to successfully defend his ATP title in Bogota.
Playing his first match since injuring his knee at Indian Wells last month, Nadal showed no signs of rust as he raced into a 5-0 lead in the first set on Court Rainier III.
Novak Djokovic chalked up his 800th career victory to reach the semi-finals of the Fever-Tree Queen's Club championships on Friday and suggested he could play on past his 40th birthday.
Predicting Rafael Nadal's downfall as he prepares to try and win a record-extending 10th French Open title is disrespectful to the Spaniard, double Roland Garros champion Maria Sharapova said on Friday.
Rafael Nadal continued his quest for a maiden Paris Masters title when he survived a second set blip to beat Uruguay's Pablo Cuevas
The tournament, with eight players in both the men's and women's draw, will resemble regular tennis as much as possible.
Top seed Nadal extended his winning streak to 13 matches with a 6-2, 6-1 demolition of American Jared Donaldson in the Qi Zhong Stadium before World No 2 Federer, to the delight of his sizeable Chinese fan club, got the better of Argentina's Diego Schwartzman 7-6(4), 6-4.
Defending champion Rafael Nadal thrashed Austrian fifth seed Dominic Thiem 6-0, 6-2 to reach the semi-finals of the Monte Carlo Masters for a record 14th time on Friday.
All eyes were fixed on longtime rivals Federer and Djokovic as they took the court for the final match, combining forces to play together for the first time after Team Europe had swept the first three singles matches.
'If she wants to talk about something personal, maybe she should talk about her relationship and her boyfriend that was married and is getting a divorce and has kids,' said Maria Sharapova firing the first volley at Wimbledon title rival Serena Williams, taking aim at the American's personal life.
Rafael Nadal left German qualifier Yannick Maden no hope as he booked his ticket for the third round of the French Open in ruthless fashion with a 6-1, 6-2, 6-4 victory.
Spaniard Nadal was in all sorts of trouble, trailing by a set and 5-4 and with 69th-ranked Rosol serving at 30-0, but his Czech opponent framed a basic backhand volley at 30-15 and blew his chance, Nadal going on to win 1-6, 7-5, 7-6(4).
Roger Federer kept up his hopes of finishing the year as World No 1 when he downed Frenchman Jeremy Chardy 7-6(5), 6-7(5), 6-4 in the second round of the Paris Masters on Wednesday.
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.
Not many would have bet on unseeded Americans Danielle Collins and Frances Tiafoe making it to the Australian Open quarter-final
Images from matches played on Day 5 at the Australian Open in Melbourne Park on Friday
Andy Murray rallied from a set and a break down against Gilles Simon to advance to his first semi-final since he won last year's Wimbledon title while top seed David Ferrer retired with a thigh strain at the Acapulco International on Thursday.
Roger Federer produced a vintage performance to best Andy Murray 6-3, 6-4, 6-7, 6-3 and move into the semi-finals of the Australian Open.
World number one Ash Barty delighted the Memorial Drive crowd by breezing through to the Adelaide International semi-finals with a comfortable 6-3, 6-4 victory over Sofia Kenin on Friday.
Swiss tennis ace Stanislas Wawrinka has revealed this week that his on-off relationship with wife Ilham has ended.
The 22-year-old Australian breezed past the 15-times Grand Slam champion in about one hour and 20 minutes.
Unseeded Russian Mikhail Youzhny denied top seed and defending champion David Ferrer a fourth Valencia Open title when he beat the world number three 6-3, 7-5 in the final of the Spaniard's home event on Sunday.
Images from all the action on Day 4 of the Australian Open in Melbourne on Thursday
His Queen's run, plus a quarter-final at the French Open suggest Novaj Djokovic, who will climb back into the world's top 20 on Monday, is ready for a lengthy run at Wimbledon.
A summary of sports events and sports persons, who made news on Friday.
Home hope Bernard Tomic continued his promising form ahead of the Australian Open by overcoming Kei Nishikori to set up a Brisbane International semi-final against big-serving Canadian Milos Raonic.
Fourth seed Rafa Nadal was stunned by Serb Viktor Troicki in an upset-filled Shanghai Masters second round on Wednesday while Andy Murray breezed past American Steve Johnson and Nick Kyrgios slumped to a listless defeat. Troicki, ranked 31st in the world, overcame Nadal 6-3 7-6(3) in an hour and 34 minutes to secure his first ever victory in five previous attempts against the 14-time grand slam winner. The unseeded Serb broke twice to seal the opening set before Nadal came back strongly in the second. The Spaniard saved a match point at 5-4 down but was defeated in the tiebreak.
A summary of sports events and persons who made news on Wednesday
It was Novak Djokovic's first match this year after his Australian Open hopes were dashed when he was deported following an 11-day saga revolving around his decision not to have a COVID-19 vaccination.
Britain's Kyle Edmund reached the quarter-finals of a Grand Slam for the first time after coming from a set down to oust Italian Andreas Seppi 6-7(4), 7-5, 6-2, 6-3 in the fourth round of the Australian Open on Sunday.
Andy Murray continued his strong clay court form by booking a place in the semi-finals of the Madrid Open with a 6-4, 7-5 victory over Milos Raonic.