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.
IMAGES from matches played on Day 4 of the French Open at Roland Garros on Wednesday
With 1,500 points available for an undefeated champion next week, the tournament could produce a thrilling climax with Murray and Djokovic, who have never met at the O2, facing off in the final for the year-end number one ranking.
Images from the men's singles quarter-finals at Wimbledon on Wednesday.
Andy Murray's runstellar stretch included his second Wimbledon title, second Olympic gold medal and wins at Queen's Club and Rome.
Andy Murray and Rafael Nadal were winners but six seeds were beaten in a day of upsets in the second round at the Rogers Cup in Montreal on Thursday.
The Austrian spent four days in bed with a virus after pulling out of a tournament in Doha last week.
Serena Williams moved another step closer to a record-tying 24th career Grand Slam title with a comfortable 6-3, 6-2 victory over Czech Karolina Muchova on Friday to reach the last 16 at the US Open.
Rafael Nadal reached the final of the Barcelona Open for the ninth time by beating German Philipp Kohlschreiber 6-3, 6-3 on Saturday.
Federer and Nadal had both opted out of this year's tournament, while Djokovic exited in the fourth round after an infamous swat of his racket sent a tennis ball into a line judge's neck.
Fourth seed Rafael Nadal survived a few anxious moments before booking his place in the semi-finals of the BNP Paribas Open with a see-sawing 6-4, 6-3 victory over Japanese Kei Nishikori at Indian Wells in California on Friday.
Roger Federer, who will be chasing an 18th Grand Slam title at the Australian Open later this month, breezed through to the Brisbane International men's semi-finals with a 6-1, 6-1 thumping of Australian Marinko Matosevic.
Czech Tomas Berdych booked his place in the ATP World Tour Finals for the fifth time in a row when he advanced into the semi-finals of the Paris Masters with a 6-7(4) 6-4 6-4 victory over South African Kevin Anderson on Friday.
IMAGES from the matches played at the PNB Paribas Open at Indian Wells on Sunday
Naomi Osaka is no longer a shy, introvert youngster and the newest Grand Slam winner in women's tennis says she owes her maturity to last year's US Open triumph.
Summary of sports events and persons who made news on Saturday
Images from all the action on Day 3 at the Australian Open in Melbourne on Wednesday
"You can't think that (Kei) Nishikori, Dominic Thiem or Marin Cilic have a chance," the former French Open champion said.
The 36-year-old Swiss master needs only to reach the semi-finals at the ABN Amro tennis event to overtake Rafael Nadal at the top of the ATP rankings and become world number one for the first time since November 2012.
Australian Nick Kyrgios let his tennis do the talking against Stanislas Wawrinka as he knocked the fourth seed out of the Madrid Open with a scintillating display on Wednesday.
Milos Raonic of Canada will take on defending champion Novak Djokovic in the final of the Paris Masters.
Six-time champion Roger Federer survived a late-night Swiss semi-final thriller against Stanislas Wawrinka on Saturday to set up an ATP World Tour Finals showdown against Novak Djokovic.
IMAGES from the matches played at the Miami Masters on Sunday
Also in action on the first day at Roland Garros is men's second seed Alexander Zverev who meets Ricardas Berankis of Lithuania on Court Suzanne-Lenglen.
World No 1 Rafael Nadal will play local hope Bernard Tomic in the first round of the Australian Open as he bids for a 14th Grand Slam title.
The US Open is the biggest tournament in America's tennis calendar. Enough reason for the big personalities from Hollywood, former tennis champions and other celebrities to catch their favourite tennis stars in action.
Images from Day 5 of the French Open in Paris on Thursday.
World No 1 Novak Djokovic recovered from another slow start to beat Spain's David Ferrer.
Top seed and defending champion Roger Federer returned to form to beat Japan's Kei Nishikori 6-4, 7-6(4) and reach the Shanghai Masters semi-finals on Friday.
Second Andy Murray breezed to a 6-3, 6-0 semi-final victory over Kei Nishikori on Saturday to set up a final with Novak Djokovic at the Rogers Cup in Montreal.
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.
Roger Federer survived a stern test from Spain's Roberto Bautista Agut to reach the Miami Open quarter-finals on Tuesday, while top-seeded Swiss compatriot Stanislas Wawrinka was eliminated on his birthday.
The Indian qualifier, who savoured his best ever performance on the ATP World Tour, went down fighting 4-6, 6-4, 3-6 against the world number 45 from South Africa in the quarter-finals played on Friday.
After booking a much-anticipated semi-final with his Australian Open title usurper Stan Wawrinka on Wednesday, Novak Djokovic wasted little time reminding the Swiss of the heavy burden of being defending champion.
Former World No 1 Azarenka, the winner of two Australian Open titles and twice a US Open runner-up, withdrew from last year's tournament at Flushing Meadows because of a child custody battle.
Italy's Fabio Fognini said it was a 'strange feeling' playing a Davis Cup tie with no fans. Japan were also playing their tie against Ecuador in an empty stadium in Miki because of the coronavirus spread, which has played havoc with sporting fixtures across the world.
Rafael Nadal looked something close to his old masterful self on clay again as he crushed Czech Tomas Berdych.
Persistent drizzle and a chill wind sweeping the almost-empty Roland Garros grounds.
Top seed Andy Murray could meet Roger Federer or Kei Nishikori in the third round, while Serena faces tricky Belinda Bencic in opening round
Top-seeded world number ones Serena Williams and Novak Djokovic help launch the US Open tennis championships on Monday's opening day of the year's final Grand Slam.