Defending US Open champion Rafael Nadal retired from his semi-final against Argentine third seed Juan Martin del Potro on Friday with right knee issues. The world number one was trailing 7-6(3), 6-2 when he decided to call it a night.
American teenage sensation Coco Gauff became the youngest player to win a WTA title in 15 years as she beat former French Open champion Jelena Ostapenko in the Linz Open final on Sunday.
Djokovic, who is aiming for a fifth Wimbledon title and his 16th Grand Slam crown, plans to play only one or two exhibition matches in the build-up to the grasscourt major.
Serena, a six-times champion in New York who is seeded 17th, will start her campaign against Polish world number 60 Magda Linette and could face Venus in the third round before a possible fourth-round showdown with Romanian top seed Halep.
The hosts had blanked Germany in their opening tie and became the first to seal a quarter-final spot with their second 3-0 win in the inaugural team event.
Images from Day 4 of the 2021 US Open in New York on Thursday.
The 22-year-old Australian breezed past the 15-times Grand Slam champion in about one hour and 20 minutes.
Bopanna being the highest-ranked doubles player in the country is automatic choice for the doubles rubber.
Images from Day 8 of the 2021 French Open at Roland Garros in Paris on Sunday
Czech defending champion Katerina Siniakova fended off Maria Sharapova in a fiercely contested match at the Shenzhen Open on Friday to set up a final with world number one Simona Halep.
Rafael Nadal is hunting a record-extending and almost unbelievable 12th Roland Garros title is remarkable in itself.
The Indian Davis Cup team was staring at defeat at the zonal level for the first time in five years following shock defeats of Ramkumar Ramanathan and Sumit Nagal on the opening day of the second round tie against China, in Tianjin, on Friday.
Images from the Australian Open in Melbourne on Thursday.
The 26-year-old has not always handled the expectations placed on his shoulders after he won the Wimbledon junior title in 2008 with a game style uncannily like Federer's.
A summary of the second day's play at the US Open.
Andy Murray will need to be at his streetwise best to beat Stan Wawrinka in the French Open semi-finals on Friday, three-times former Roland Garros champion Mats Wilander told Reuters.
Nadal has turned back the clock to sweep through the European claycourt season with titles in Monte Carlo, Barcelona and Madrid and is a daunting obstacle for anyone with genuine title ambitions.
Images from Monday's action at the Australian Open.
Alexander Zverev is a potential superstar who bears comparison not only with his fellow German Boris Becker but also the great American singer Bob Dylan.
Images from Day 2 of the 2020 US Open in New York
Rafael Nadal has played down the significance of his quarter-final defeat by Austrian Dominic Thiem at the Madrid Open
Roger Federer overcame a sluggish start to defeat Filip Krajinovic 7-5, 6-3 and Kevin Anderson's booming serve proved too much for Joao Sousa as the big names advanced to the fourth round of the Miami Open on Monday.
Djokovic had his personal best winning sequence of 30 consecutive sets ended as Cilic played almost flawlessly aggressive tennis to draw first blood in a magnificent duel.
Images from Day 3 of the French Open matches played at Roland Garros on Tuesday
Djokovic is clubbed with Federer, Juan Martin Del Potro, David Goffin and Alexander Zverev.
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.
The 2009 champion who will next face Roger Federer, saved two match points in the fourth set of what was arguably the best of the tournament so far.
Images from Day 6 of Wimbledon at the All England Lawn Tennis and Croquet Club in London, on Saturday.
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.
Images from Day 9 at the French Open.
A summary of Thursday's play at the French Open.
With rain having washed out Wednesday's play, Federer along with champion Rafael Nadal and top seed Novak Djokovic all face playing back-to-back matches on Thursday if they want to reach the quarter-finals.
Victory on Sunday would see Nadal become the first player to win the same grand slam 10 times in the modern era.
Osaka survives test to reach last 16
Swiss tennis maestro Roger Federer stepped up his bid for a record ninth Halle grasscourt title with a straight sets victory over Germany's Jan-Lennard Struff in the opening round on Wednesday.
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.
Images from the matches played on Day 8at the Roland Garros on Sunday
The first meeting between Nick Kyrgios and Stefanos Tsitsipas lived up to the hype on Saturday as the Australian saved a match point in a wildly entertaining 6-4, 3-6, 7-6(7) win to reach the Citi Open final.
Summary of sports events and persons who made news on Sunday
Del Potro eyeing another Rafael-Roger double in New York