Defending champion Angelique Kerber battled her nerves and blew a match point in the second set before finally overcoming Lesia Tsurenko 6-2, 5-7, 6-2 to reach the second round.
Could French Open champion Jelena Ostapenko serve up another shock at Wimbledon this year? Or will world number one Angelique Kerber get her season back on track at Wimbledon?
The peak remains tantalisingly close for Serena Williams but negotiating the final incline to a record-equalling 22nd Grand Slam singles title is proving the trickiest of all.
Former world number one Venus Williams salvaged a small bit of family pride when she fought back from a set down to see off Italy's Roberto Vinci 5-7, 6-2, 7-6(4)and reach the final of the Wuhan Open on Friday.
Maria Sharapova's US Open preparations took a major blow with the Russian World No 2 forced to withdraw from next week's WTA event in Toronto.
Defending champion Djokovic fired his 15th ace on match point to defeat Querrey but his serve had been an issue earlier in their second-round encounter.
Novak Djokovic held off a Roger Federer fightback as he reached the final of the Australian Open for the fifth time in six years. Poland's Agnieszka Radwanska was taken apart 6-0 6-4 by the reigning women's champion Serena Williams.
Osaka survives test to reach last 16
French Open runner-up Simona Halep was awarded a wildcard entry to feature at the Aegon International in Eastbourne next week, organisers said on Thursday.
The list of players who have been defaulted from a tour-level match for on-field misconduct.
List of Wimbledon women's singles champions:
Serena Williams battered Anastasia Pavlyuchenkova 6-4, 6-4 in the quarter-finals at Wimbledon on Tuesday, seizing on moments of weakness from the Russian to ram home her advantage.
The Canadian set the tournament alight with a scintillating, three-set win over Maria Sharapova on Tuesday after her outspoken comments about the Russian returning from her 15-month doping ban, including calling her a cheater.
Former world number one Maria Sharapova avenged her US Open loss to Anastasija Sevastova with a 7-6(3), 5-7, 7-6(7) victory over the Latvian in the China Open first round on Saturday.
Top seeds Novak Djokovic and Serena Williams face challenging early tests at the US Open following Friday's draws for the year's last Grand Slam starting on Monday.
PHOTOS from day four of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Thursday.
Czech Lucie Safarova took the final qualifying spot for the end-of-season WTA Finals after Spain's Carla Suarez Navarro was knocked out of the Kremlin Cup quarter-finals on Thursday.
A quick guide into the life of Serena Williams, the GOAT - The Greatest of All Time!
The 36-year-old, talked about what she has been going through since giving birth to her daughter, Alexis Olympia, who turns one this September.
Penpix of the top women's contenders at the 2017 French Open:
Nadal meets the 'new Nick' Kyrgios in fourth-round blockbuster
The 'Big Four' of men's tennis have made it into the second week of Wimbledon unscathed and largely untroubled while the women's draw remains wide open, but "Manic Monday" could offer major clues as to the destination of this year's titles.
Djokovic continues to lead ATP Rankings
Rafael Nadal will have his work cut out when play begins next week, not on the Caja Magica's three red dust courts, but on gaming consoles.
Serena Williams has withdrawn from the Wuhan and China Opens due to a persistent shoulder injury and is targeting a return to action in next month's WTA Finals in Singapore, the World No 2 said on Friday.
IMAGES from the Australian Open matches played at Melbourne Park on Wednesday
Federer and world number one Nadal won the first three grand slam titles of the season as they came back to prominence with a bang, and nothing suggests their first-round opponents, American Frances Tiafoe and Serbian Dusan Lajovic, will bother them.
French open quarter-finalist Eugenie Bouchard is in the market for collecting tennis titles, not friends.
By losing, Ostapenko joins a ignominious group including, as well as Myskina, Steffi Graf, Jennifer Capriati, Svetlana Kuznetsova and Angelique Kerber who all lost as Grand Slam champions on the first run of their defences.
Petra Kvitova and Lucie Safarova put the Czech Republic on the brink of the Fed Cup title with victories on the opening day of the final against Germany on Saturday.
Big names and young guns turn up the heat at US Open
The Sony Open in Miami was locked down while the bomb squad investigated a suspicious package on Tuesday, preventing thousands of spectators from entering or leaving the sprawling tennis complex.
Top seed Simona Halep was pooled with grand slam winners Maria Sharapova and Flavia Pennetta in a formidable looking Red Group for the end-of-season WTA Finals on Friday.
Summary of sports events and persons who made news on Sunday
On Wednesday the 23-time Grand slam winner took to Twitter to express her anguish.
Fifth seed Caroline Wozniacki ousted defending champion Jelena Jankovic 6-3, 6-4 in the semi-finals of the Hong Kong Open on Saturday.
World No 1 Novak Djokovic, second seed Andy Murray and three-time champion Rafael Nadal were all cheered into the quarter-finals of the Rogers Cup on Thursday.
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.
Here is a list of US Open women's singles champions since the open era began in 1968:
Coco Vandeweghe blasted her way into her first grand slam semi-final with a dominant display of power tennis to destroy French Open champion Garbine Muguruza 6-4, 6-0 at the Australian Open on Tuesday.