Twice defending champion Jessica Pegula crashed out of the Canadian Open after losing to Anastasija Sevastova 3-6, 6-4, 6-1 in the third round on Friday, while six-times major winner Iga Swiatek marched on with a dominant 6-2, 6-2 win over Eva Lys.
Russian Diana Shnaider continued her impressive winning streak in tour-level finals at the Monterrey Open on Saturday, beating compatriot Ekaterina Alexandrova 6-4, 4-6, 6-4 in the WTA 500 event's final.
Iga Swiatek was the latest top player to suffer an upset loss in Montreal as the Wimbledon champion
French Open champion Gauff is in line for a clash with fellow American Jessica Pegula.
It was a dream opening day for the local fans as seven British players made it to the second round -- the most singles wins for the home nation in a single day at Wimbledon in the professional era.
Emma Raducanu strides onto the grasscourts of Wimbledon on Monday as the British number one
Jasmine Paolini's exit means only one of the top five women's seeds -- world number one Aryna Sabalenka -- will be in the third round. It is only the second time that this has happened in the professional era after Wimbledon 2018.
While the 19th seed Latvian may be disappointed with the outcome, Sevastovoa said she left her first Grand Slam semi-final with a sense of accomplishment.
SSerena Williams swept past Anastasija Sevastova 6-3, 6-0 on Thursday and into the final of the US Open to sit one win away from a record-equalling 24th Grand Slam title.
Sixth seed Elise Mertens fell to Kaia Kanepi 0-6, 6-0, 7-5 and seventh seed Julia Goerges lost to American Taylor Townsend 6-4, 7-6(0).
Former world number one Caroline Wozniacki continued her resurgence at the U.S. Open with a commanding 6-3 6-1 win over Romania's Monica Niculescu on Friday to reach the fourth round. The Dane, a U.S. Open finalist in 2009 and 2014 but unseeded this year after being sidelined for two months by an ankle injury, dominated from the start and wrapped up victory in just under an hour and a half. Niculescu, ranked 16 places above Wozniacki in the rankings at 58th, made life tough early on, particularly with her sliced forehand which is a rarity on the WTA Tour.
So prior to their Melbourne Park rematch, former champion Sharapova said she was primed and ready for another drawn out dog-fight against the 14th seed.
The two-day away tie will be played from April 16 on the indoor hard courts at the National Tennis Centre, Lielupe, Jurmala.
Garbine Muguruza was once again left to sift through the remains of another failed US Open campaign after the third-seeded Spaniard suffered a shock 7-5 6-4 second round upset by unheralded Latvian Anastasija Sevastova on Wednesday.
'It takes its toll on bigger guys. Whenever I have seen Juan maybe struggle in the heat or on TV and it looks like he's gassed out there, I can always relate'
Barty survived a first-round scare at the US Open on Monday
Caroline Wozniacki continued her news conference shenanigans at the Australian Open on Sunday, telling a tale of being scratched by a kangaroo and then later admitting on social networking website Twitter she had concocted the whole thing.
The Czech has now won eight consecutive games at the Caja Magica and will face wildcard Sorana Cirstea or Caroline Garcia in the last 16.
World number one Ash Barty was shocked in the first round of the women's singles at the Tokyo Olympics on Sunday. The Australian was beaten by Sara Sorribes Tormo 6-4, 6-3.
India's Isha Lakhani bowed out in the first round of the $ 25,000 Greater Noida ITF women's circuit tournament in Noida on Monday.
Mandy Minella of Luxembourg played at Wimbledon while four and a half months pregnant.
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.
Form guide for American Serena Williams ahead of Thursday's US Open semi-final clash against Latvia's Anastasija Sevastova:
Petra Kvitova, who missed part of the 2017 season after a home invasion left her with a badly cut left hand, continues her remarkable comeback when she faces American Venus Williams.
The United States survived a fright from little Latvia on Saturday before winning 3-2 in a Fed Cup qualifier as Serena Williams suffered her first career singles loss in the team event. Switzerland, Spain, Belgium, Slovakia, Germany, Russia and Belarus also moved through to the inaugural 12-nation showdown in Budapest.
Sixteen-year-old Coco Gauff said her game is the "best it's ever been," as she aims to build on her Grand Slam success as the US Open kicks off on Monday.
Opportunity knocks for Serena Williams on the grass courts of Wimbledon next week when she faces a diminished field on her best surface at the famous All England Club.
IMAGES from Day 9 of the US Open matches played on Tuesday
Maria Sharapova has shrugged off Caroline Wozniacki's criticism of US Open organisers for giving the Russian centre court billing in her return to Grand Slam tennis after a doping ban.
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.
Photos from matches played at the US Open in Flushing Meadows on Sunday
Juan Martin Del Potro, who reached the quarter-final of the Australian Open on two occasions, has been battling problems with his right knee since June last year
US Open champion Naomi Osaka fought back tears and rallied from a set down to outlast Zhang Shuai 3-6, 6-4, 7-5 in the China Open quarter-finals on Friday.
Greek teenager Stefanos Tsitsipas secured the biggest win of his career when he sent Wimbledon champion Novak Djokovic packing in the third round of the Rogers Cup with a stunning 6-3, 6-7(5), 6-3 win on Thursday.
A summary of Friday play at the French Open.
Naomi Osaka faces a far more daunting task: Playing against her hero in the US Open final.
Cilic's booming serve lacked its usual accuracy and Germany's Kohlschreiber was able to control long rallies, pushing the towering Croatian around the court with pinpoint groundstrokes en route to a quick victory.
Women's tennis's biggest names still remaining at the US Open take centre stage on Sunday with Grand Slam winners Maria Sharapova, Venus Williams, Garbine Muguruza and Petra Kvitova all appearing on Arthur Ashe Stadium.
Men's top seed Novak Djokovic and women's number two Angelique Kerber look to book berths in the last four of the US Open as the quarter-finals of the year's last Grand Slam get underway on Tuesday.
Rediff.com presents matches that shook up US Open.