Djokovic said he was '50-50' about competing at the Tokyo Olympics
Britain's Andy Murray knocked out defending French Open champion Stan Wawrinka 6-4, 6-2, 4-6, 6-2 in the semi-finals on Friday to reach his first Roland Garros final where he will face world number one Novak Djokovic.
The 32-year-old Swiss will try and stop Rafael Nadal becoming the first player in the professional era to win the same Grand Slam 10 times.
Heavy rain postponed play on day two of the French Open with organisers saying no matches would start before 1130GMT.
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.
'During the grass court season, I unfortunately experienced a setback with my knee, and have accepted that I must withdraw from the Tokyo Olympic Games.'
American Serena Williams has also said that the dropouts will not take the shine off a potential record-equalling 24th Grand Slam title for her.
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.
Novak Djokovic beat Casper Ruud in the French Open final to win a men's record-extending 23rd Grand Slam title.
Claycourt king Rafael Nadal marched into his 10th French Open final after demolishing rising Austrian Dominic Thiem 6-3, 6-4, 6-0, while third seed Stan Wawrinka edged past Andy Murray 6-7, 6-3, 5-7, 7-6, 6-1.
French Open champion Stan Wawrinka blamed a lingering cold for his exit from the fourth round of the Australian Open at the hands of Canada's Milos Raonic on Monday.
India's struggling singles star Somdev Devvarman was handed a tough opener in the ATP Chennai Open as he is pitted against sixth seed and world number 38 Yen-Hsun Lu.
Kei Nishikori has set his sights on making a grand slam breakthrough in 2017 after the Japanese world number five concluded a successful season in which he claimed one ATP Tour title, an Olympic medal and recorded a career-high 58 wins.
Andy Murray crushed Stan Wawrinka 6-4, 6-2 to win his group at the ATP World Tour Finals on Friday and stay on course for a season-ending climax with Novak Djokovic.
Six times a men's singles champion Down Under, the Serbian will be joined in making a return at MelbournePark by 2008 women's champion Maria Sharapova, who missed last year's tournament because of a doping ban.
If he does manage to beat Novak Djokovic or Cam Norrie in Sunday's final, it may be that winning the most prestigious title in tennis will wash away all his previous sins in the eyes of his compatriots.
Stan Wawrinka showed his class in both singles and doubles to lead the Singapore Slammers to victory in the International Premier Tennis League (IPTL) final in front of a delighted home crowd at the Indoor Stadium on Sunday.
French Open champion Stanislas Wawrinka will join Andy Murray and Rafael Nadal at this year's pre-Wimbledon warm-up event at Queen's Club, Aegon Championships organisers said.
Nadal thrashes Nishikori; Federer downs Wawrinka
There were glimpses of the formidable Rafa Nadal as the eight-times champions swept aside French Open champion Stan Wawrinka 6-1, 6-4 on Friday to reach the Monte Carlo Master semi-finals.
The Austrian spent four days in bed with a virus after pulling out of a tournament in Doha last week.
"You can't think that (Kei) Nishikori, Dominic Thiem or Marin Cilic have a chance," the former French Open champion said.
India's Sumit Nagal gave a mighty scare to three-time Grand Slam winner Stan Wawrinka by taking off the first set but then wilted under pressure to bow out of the Prague Open in the quarter-finals on Thursday.
Novak Djokovic survived an almighty scare from an inspired Stan Wawrinka in a five-hour, five-set thriller at the Australian Open on Sunday, reaching a 15th consecutive Grand Slam quarter-final but only after digging himself out of a huge hole.
Canada's Milos Raonic boosted his chances of qualifying for the lucrative ATP World Tour Finals after capturing his first title of the season with a 6-3, 3-6, 6-3 win over Portugal's Joao Sousa in the final of the St. Petersburg Open on Sunday.
US Open champion Stan Wawrinka was knocked out of the Shanghai Open after a third round defeat, while Novak Djokovic and Andy Murray moved into the quarters.
As if playing Novak Djokovic or Andy Murray in the French Open final was not a tough enough task, Stan Wawrinka will probably have to deal with a hostile Roland Garros crowd on Sunday.
Five things to watch out for on day five of the French Open on Thursday
Coco Gauff rallied from a break down in the final set to beat Swede Rebecca Peterson and reach the Indian Wells quarter-finals for the first time
Red-hot Rafael Nadal faces Delbonis, says majors tally not a focus
Stan Wawrinka's new union with coaching consultant Richard Krajicek got off to the worst possible start as he lost 6-2, 7-6 (3) to Fernando Verdasco in the first round of the Aegon Championships on Tuesday.
Djokovic withdraws from Western & Southern Open, to 'turn focus on US Open.'
His success in Paris means Wimbledon remains the one major where he has not reached at least the semi-finals.
Australian controversial tennis star Nick Kyrgios has announced that he will call curtains on his career if he wins the US Open, the fourth major of the season at Flushing Meadows.
Rafael Nadal reached the final of the Swiss Indoor tournament when he beat Frenchman Richard Gasquet 6-4, 7-6(7) on Saturday, a result that was good news for fellow Spaniard David Ferrer.
The 32-year-old world number 18 still had a remote chance of qualifying for the season-ending ATP World Tour Finals for an eighth time.
A clinical Milos Raonic stormed past Gael Monfils 6-3, 3-6, 6-3, 6-4 to reach the semi-finals of the Australian Open for the first time.
After a brief interruption when the players were locked at 5-5 in the opening set, Federer saved two set points in the tiebreak and held firm to gain the upper hand in the contest.
Here is a list of athletes, some of who just turned up the heat while some created ripples with their bold photos. Scroll down to find out who these athletes are...
More than 70 players and their entourage are confined to their hotel rooms for 14 days and unable to train for the Feb. 8-21 Australian Open after passengers on three charter flights returned positive tests.