Romania's Simona Halep kicked off her campaign for a maiden WTA Finals title in emphatic fashion with a thumping 6-0, 6-3 victory over US Open champion Flavia Pennetta in the opening match of the eight-woman season-ending tournament on Sunday.
Poland's Agnieszka Radwanska secured the last remaining spot in the season-ending WTA Championships without hitting a ball after Marion Bartoli retired from her Kremlin Cup quarter-final with an illness on Friday.
Iga Swiatek captured her first Cincinnati Open title on Monday by beating Jasmine Paolini in straight sets.
A calm Sloane Stephens picked her shots to perfection to overcome Japan's Naomi Osaka in a battle between the last two US Open champions at the WTA Finals on Monday before top seed Angelique Kerber was upset by Kiki Bertens.
With the players then facing a quick turnaround ahead of the Indian Wells main draw beginning on Wednesday, Pegula offered to fly all of them to California for the WTA 1000 tournament.
Mboko saved a match point against Kazakh ninth seed Rybakina in front of adoring home support
Leylah Fernandez earned the biggest win of her career as she beat Anna Kalinskaya in the Washington Open final on Sunday.
France's Boisson wins first WTA title in Hamburg
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.
Venus Williams, 45, made an age-defying return to tennis this year, becoming the oldest WTA singles match winner since 2004 in July.
Serena Williams clinched the year-end World No 1 ranking for the fourth time without hitting a ball on Friday after Maria Sharapova, the only woman with any chance of overtaking her, was eliminated from the WTA Finals.
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.
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.
Sabalenka spent eight weeks at the summit last year before Swiatek overtook her with a victory at the season-ending WTA Finals and the Belarusian hopes for a longer stay as 'N1'.
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.
Top seed Jessica Pegula survived a tough test to beat Ekaterina Alexandrova 6-2, 2-6, 7-5 in a topsy-turvy Charleston Open semi-final on Saturday and will face compatriot Sofia Kenin in her fourth championship match of the season.
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".
Czech Barbora Krejcikova on Sunday called for respect and professionalism in sports media as she hit out at "unprofessional" remarks made about her appearance during a broadcast on the Tennis Channel.
Coco Gauff dismantled defending champion Iga Swiatek 6-1, 6-1 on Thursday with a ruthless display to storm into her first Madrid Open final, where she will face world number one Aryna Sabalenka for the WTA 1000 title.
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.
Russian teenage sensation Mirra Andreeva continued her giant-slaying exploits at the Dubai Tennis Championships by upsetting Kazakhstani sixth seed Elena Rybakina 6-4, 4-6, 6-3 in the semi-finals on Friday.
Chennai Open back on WTA calendar after three years
China's Li Na will meet Serena Williams in the final of the WTA championships after beating Czech Petra Kvitova 6-4, 6-2 on Saturday, becoming the highest-ranked player ever from an Asian country.
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.
Osaka, who returned to the tour a year ago after a long maternity break, had shown glimpses of the form that won her four major titles on her run to the final in Auckland.
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.
After successfully defending her Australian Open trophy in January, Aryna Sabalenka won the US Open crown in September for her third Grand Slam title.
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.
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.
Poland's Iga Swiatek will play in the Billie Jean King Cup Finals in Malaga in November, where they face hosts Spain in the opening match, the world number two said on Tuesday
Shelton blasted an ace on match point to seal the win and avenge his five-set loss to Tiafoe at last year's U.S. Open as the 22-year-old continues to make strides in his breakout season.
Andreeva bids for Paris glory after stellar start to season
Making their first appearance in the WTA Finals in Singapore, Sania Mirza and Cara Black outplayed Raquel Kops-Jones and Abigail Spears in their opening match to book their semi-finals berth on Thursday.
It was the 27-year-old Japanese player's first WTA title since she became a mother in July 2023.
Gauff seeks to eliminate service errors ahead of French Open tilt
MERTENS OVERPOWERS RUSE TO WIN FIRST GRASS TITLE
The world number three has won eight out of her last nine matches on outdoor red clay, losing only to world number one Aryna Sabalenka in the Madrid Open final.
India's greatest women's tennis player won six Grand Slam doubles titles and will compete in her final major this month at the Australian Open, where she bagged the women's doubles crown in 2016.
Three-times defending champion Iga Swiatek was bundled out of the Qatar Open by Latvian Jelena Ostapenko, who beat the Polish second seed 6-3, 6-1 in the semi-finals on Friday to set up a final showdown with American Amanda Anisimova.