Iga Swiatek captured her first Cincinnati Open title on Monday by beating Jasmine Paolini in straight sets.
Gauff split from coach Brad Gilbert and flipped the script weeks later, however, winning her second WTA 1000 title last month at the China Open before reaching the Wuhan Open semis.
The 27-year-old began working with Mouratoglou ahead of the China Open in September last year, as she sought to reignite her career following a patchy run of form after returning to the tour from a long maternity break.
The 2025 US Open women's singles title comes down to Aryna Sabalenka, the world No.1 and defending champion, and Amanda Anisimova
Iga Swiatek, who beat American 13th seed Amanda Anisimova 6-0, 6-0 in the Wimbledon final on Saturday to win her sixth Grand Slam title.
Venus Williams, 45, made an age-defying return to tennis this year, becoming the oldest WTA singles match winner since 2004 in July.
Maaya Rajeshwaran Revathi overcame China's Zhang-Qian Wei to enter the second round of the junior girls' singles event at the US Open.
Aryna Sabalenka's return to top spot in the WTA rankings after leapfrogging Iga Swiatek has set up a thrilling end to the season, with next month's WTA Finals in Saudi Arabia likely to prove decisive in the race to end the year as world number one.
France's Boisson wins first WTA title in Hamburg
Venus Williams has received a wild card main draw entry into the Cincinnati Open, as the 45-year-old American enjoys an age-defying return to the spotlight.
Leylah Fernandez earned the biggest win of her career as she beat Anna Kalinskaya in the Washington Open final on Sunday.
Mboko saved a match point against Kazakh ninth seed Rybakina in front of adoring home support
Emma Raducanu beat four-time Grand Slam champion Naomi Osaka 6-4, 6-2 in their first career meeting to reach the quarter-finals of the Washington Open on Thursday.
At this year's US Open second-round match against Sorana Cirstea, Muchova broke down mid-match in a scene that was as human as it was unexpected.
The Washington Open, a WTA 500 hardcourt tournament, will run from July 21 to 27.
On Wednesday celebrity couple Nick Jonas and Priyanka Chopra Jonas were spotted spending the afternoon watching tennis at the All England Club.
World No. 3 Coco Gauff and No. 2 Iga Swiatek of Poland won their respective opening matches of the Orange Group at the WTA Finals Riyadh in Saudi Arabia.
Michelsen, seeded 26th, will face hard-hitting 11th seed Karen Khachanov of Russia, who upset eighth seed Casper Ruud in their fourth round match 6-4, 7-5.
British number two Katie Boulter has received death threats to herself and members of her family after matches as players are increasingly subjected to online abuse through direct messages.
Elena Rybakina powered into her first Cincinnati Open semi-final after stunning defending champion Aryna Sabalenka 6-1, 6-4 on Friday, while five-times Grand Slam champion Carlos Alcaraz recovered from a second-set blip to beat Andrey Rublev.
Venus Williams confirmed her engagement to Italian model and actor Andrea Preti.
The US Open announced $90 million in prize money will be on offer at this year's final major, marking the largest purse in tennis history, up 20 percent from 2024.
Colombia's Camila Osorio pulled out a 7-6 (5), 6-7 (2), 7-5 win over Russia's Veronika Kudermetova, and Italy's Martina Trevisan beat Mexico's Renata Zarazua 6-4, 6-3.
Iga Swiatek arrives at the US Open with her sights set on a seventh Grand Slam title and a potential return to World No. 1 to cap what she calls a remarkable year of redemption following "the worst experience of my life".
After successfully defending her Australian Open trophy in January, Aryna Sabalenka won the US Open crown in September for her third Grand Slam title.
Chennai Open back on WTA calendar after three years
Tennis legend Monica Seles on Tuesday revealed that she was diagnosed with myasthenia gravis -- a neuromuscular autoimmune disease -- three years ago.
Coco Gauff beat defending champion Iga Swiatek 6-3 6-4 at the WTA Finals in Riyadh on Tuesday to reach the semi-finals and ensure Aryna Sabalenka would finish the year as world number one.
Iga Swiatek survived a surprise U.S. Open second-round test on Thursday as men's top seed Jannik Sinner and Japan's four-times major winner Naomi Osaka cruised through.
Top-seeded Diana Shnaider breezed past Australia's Priscilla Hon 6-4, 6-1 to reach the quarterfinal round at the Hong Kong Tennis Open on Wednesday.
Factbox on American second seed Coco Gauff, who defeated Belarusian world number one Aryna Sabalenka
Renata Zarazua, the only Mexican player in the US Open main draw, pulled off a stunning upset by beating sixth seed Madison Keys in the first round.
Venus Williams enjoyed a winning return to tennis after more than a year away from the game in the women's doubles at the Washington Open on Monday.
It was the 27-year-old Japanese player's first WTA title since she became a mother in July 2023.
Gauff was two points from defeat but battled back to beat fellow American Danielle Collins 7-5, 4-6, 7-6(2) in a nearly three-hour battle to reach the third round.
China's Zheng Qinwen beat a struggling Elena Rybakina 7-6(4) 3-6 6-1 in a grueling WTA Finals group stage match on Monday, notching her first career win over the Kazakh in their third meeting.
Playing in only her second singles match of the year, Bouchard blasted a forehand winner to take the first set but Colombian Arango turned the tables in the second set amid a cascade of unforced errors from her opponent.
Iga Swiatek was the latest top player to suffer an upset loss in Montreal as the Wimbledon champion
Anna Kalinskaya outclassed Britain's Emma Raducanu at the Washington Open on Saturday to advance to the final, where she will face Leylah Fernandez.
Andreeva bids for Paris glory after stellar start to season
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