A summary of the second day's play at the US Open.
US Open champion Naomi Osaka grew up dreaming of competing against Serena Williams in a Grand Slam final but never would have dared to go as far as to think her idol would be reduced to tears in a drama-filled match.
Here is a timeline of Djokovic's decline since the last of his 12 Grand Slam titles.
Daniil Medvedev dominated Canada's Felix Auger-Aliassime 6-4, 7-5, 6-2 on Friday to reach the US Open final courtesy of a dozen aces in just a little over two hours.
A summary of the action on Day 3 at the US Open.
'Everyone always talks about how hot Melbourne is but the US Open's way worse'
A summary of Tuesday's action at the US Open.
IMAGES from all the action on Day 7 of the US Open played at the USTA Billie Jean King Tennis Center at Flushing Meadows in New York on Sunday.
Fourth seed Angelique Kerber's bid for consecutive Grand Slam titles ended when 29th seed Dominika Cibulkova defeated the German 3-6, 6-3, 6-3 in the US Open third round on Saturday.
Serena Williams crashed out of the US Open after losing in the semi-final to Karolina Pliskova costing her a shot at a 23rd Grand Slam title and resulted in her losing her record 187th straight week at number one.
IMAGES from Day 9 of the US Open, at the USTA Billie Jean King National Tennis Center, Flushing Meadows, New York.
Penpix of the top women's contenders at the 2017 French Open:
Form guide for American Serena Williams ahead of Thursday's US Open semi-final clash against Latvia's Anastasija Sevastova:
Defending champion Naomi Osaka of Japan was upset 7-5, 6-4 by Belinda Bencic in the fourth round at the US Open on Monday as the Swiss reached the quarter-finals for the second time.
IMAGES from Day 8 of the action at the US Open at USTA Billie Jean King National Tennis Center at Flushing Meadows in New York on Monday.
IMAGES from matches on Day 4 of the US Open at Flushing Meadows in New York on Thursday.
Simona Halep and Stan Wawrinka beat the heat with straight-sets wins to reach the third round of a sweltering US Open on Thursday while American hope Jack Sock wilted under the punishing conditions, collapsing on court.
Photos from matches played at the US Open in Flushing Meadows on Sunday
A win by Venus would keep the 35-year-old on track for a first grand slam title since 2008 Wimbledon and a possible return to the US Open final where she first made the final in her debut in 1997. But a victory would end little sister Serena's quest for the rarest of tennis feats -- a calendar-year grand slam.
Marin Cilic and Milos Raonic booked their spots in the Paris Masters second round on Monday, while Roger Federer pulled out of the tournament with next month's ATP Finals on the horizon.
IMAGES from Day 5 of the US Open, at the USTA Billie Jean King National Tennis Center, Flushing Meadows, New York, on Friday.
Former world number one Caroline Wozniacki eased into the semi-finals of the US Open on Tuesday with a ruthless 6-0, 6-2 win over wounded Latvian Anastasija Sevastova.
Images from Day 3 of the 2020 US Open in New York, on Wednesday.
'Just six months ago, you would've been labelled mad for even suggesting the possibility of Djokovic relinquishing the top spot in men's tennis.'
A summary of Wednesday's action at the US Open on Day 3.
Images from Day 6 of the US Open in New York, on Saturday.
Novak Djokovic took a first unsteady step toward completing the calendar-year Grand Slam on Tuesday as the Serb laboured into the second round of the US Open with a 6-1, 6-7(5), 6-2, 6-1 win over dashing Danish teenager Holger Rune.
IMAGES from Day 10 of the US Open matches played in New York on Wednesday
'Not only are four of the top five fathers, but Federer famously injured a knee, weakened by years of twisting and turning on tennis courts, early this year while giving his elder pair of twins a bath.'
Images from Day 5 of the 2021 US Open in New York on Friday.
Images from Day 1 of the US Open in New York, on Monday.
IMAGES from Day 2 of the US Open played at Flushing Meadows in New York on Tuesday.
World No 1 Novak Djokovic beat Roger Federer 6-4, 5-7, 6-4, 6-4 to win the US Open title at the Flushing Meadows in New York on Sunday.
IMAGES from Day 9 of the US Open matches played on Tuesday
IMAGES from the US Open matches played on Day 1 at the Flushing Meadows in New York on Monday.
Images from Day 4 of the 2021 US Open in New York on Thursday.
IMAGES from Day 8 of the US Open on Monday
As the players warm up before the tournament, meet the players who could well be contenders for the 2017 Australian Open titles.
Images from the third day at the US Open, the final Grand Slam tournament of the year, in New York, on Wednesday:
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.