Coco Gauff battled past Elina Svitolina in the Auckland Classic final on Sunday to retain her title.
Canada's Bianca Andreescu has decided not to compete at the Tokyo Olympics due to the COVID-19 pandemic, the former US Open champion said.
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
India's Sania Mirza and her Swiss partner Martina Hingis stormed into the final of the women's doubles after a straight-sets victory against Germany's Julia Georges and Karolina Pliskova, at the Australian Open in Melbourne, on Wednesday.
Halep, who won the French Open in 2018 and Wimbledon the following year, struggled for results last year due to injuries and reached only one WTA final, at the Transylvania Open, losing in her home tournament.
With the unique format at the WTA Finals, it is all about how you finish rather than how you start as new champion Agnieszka Radwanska proved perfectly in Singapore this week.
The retired American ace said women were willing to play five-set matches but used the entertainment industry to highlight her stance that athletes will get paid the same regardless of the duration of the matches.
Doubles star Sania Mirza returned to the Indian Fed Cup team after four years as she was named in the five-member squad, which features country's top singles player Ankita Raina. Sania last played Fed Cup in 2016 and has been out of action since October 2017 as she took a two-year break to start a family.
Ashleigh Barty lifted the season-ending WTA Finals trophy and led Australia to their first Fed Cup final since 1993, while Nadal won his 4th ITF Award for winning two Slams this season.
Long before Simona Halep's demolition job on Serena Williams at the WTA Finals, the Romanian was already winning over another of the game's greats.
Samantha Stosur underlined her credentials for next month's French Open by crushing Russia's Vera Zvonareva 6-0, 6-3 in Sunday's final of the Family Circle Cup to claim her second WTA Tour title.
Svetlana Kuznetsova has the versatility and mentality to mark her out as the 'best player' on the WTA Tour.
Five top contenders for the women's title at the US Open.
World No 1 Serena Williams smashed a racquet and recovered from a set down as she overcame stubborn resistance from Caroline Wozniacki in a semi-final at the WTA Finals last week. It was not the first time the world No 1 abused her playing equipment. Take a look at previous moments when she soaked up her frustration on court by smashing her racket.
Sabalenka has always had the power and, since addressing the frequent on-court meltdowns that once blighted her career, has shown a frightening level of consistency at Grand Slams.
Halep, the beaten finalist in the French Open last week, is the latest top player to pull out from the event after Czech world number three Karolina Pliskova opted to rest her injured elbow ahead of Wimbledon.
Ruthless Serena Williams underlined her dominance at the top of women's tennis on Sunday, completing her year in style with a 6-2, 7-6 defeat of big sister Venus in the final of the WTA Championships.
Kvitova and Vekic had played twice on Saturday after a rain delay on Friday but it was the Czech who did not drop a set in the entire tournament.
Sania Mirza capped off her glorious Grand Slam career with a runners-up finish alongside 'best friend' Rohan Bopanna in the Australian Open mixed doubles final in Melbourne on Friday.
Maria Sharapova is renowned for her sheer determination in the face of adversity but in Singapore on Saturday, the Russian was quick to cast doubt over her chances of winning the WTA Finals after an injury-ravaged second half of the season.
Maria Sakkari knocked out reigning champion Paula Badosa in Friday's Indian Wells semi-finals and will take on Iga Swiatek in the title decider after the world number four fought back from a break down in each set to overpower Simona Halep.
Petra Kvitova won her third title of the year as she fought back from a set down to beat Romanian Mihaela Buzarnescu 4-6, 6-2, 6-3 in the Prague Open final on Saturday.
Key facts and records of American Serena Williams and Canada's Bianca Andreescu
Austrian Thiem was 6-2, 3-6, 7-5, 5-7, 4-1 up when the men's match, which had already been halted on Friday because of bad weather, was stopped.
A abdominal strain forced the former world No.1 to withdraw from the elite eight-woman event.\n\n
Roger Federer and Lleyton Hewitt will resume one of the oldest rivalries in tennis when they contest the Brisbane International final on Sunday.
American Jennifer Brady defeated compatriot Coco Gauff 6-2, 6-4 at the Top Seed Open on Saturday, earning a spot in her first WTA final.
Local favourite Thompson saved three match points before prevailing 5-7, 7-6 (6), 6-3 against Nadal, who was playing his first tournament after nearly a year out with a hip injury.
Russia's Daniil Medvedev remarkably reached his ninth final of the season as he defeated Stefanos Tsitsipas 7-6(5), 7-5 at the Shanghai Masters on Saturday.
Factbox on Iga Swiatek, who defeated Sofia Kenin to win her maiden Grand Slam title at the French Open on Saturday.
American Serena Williams reached the semi-finals at the WTA Tour Championships in Istanbul on Thursday with what is fast becoming a routine defeat of World No 1 Victoria Azarenka.
'For me, I don't feel sad because I wouldn't even know what I'm expected to feel'
Top seed Simona Halep came back from 4-1 down in the deciding set to beat Elina Svitolina 6-3 3-6 6-4 in the Qatar Open semi-final on Friday, marking her first victory over the Ukrainian in nearly two years.
The British number one will play Croatian Donna Vekic, 7-6(5), 3-6, 7-6(4) victor over Czech Lucie Safarova in the day's second semi-final, in the climax to the Wimbledon warm-up tournament on Sunday.
India's Karman Kaur Thandi has clinched her second W60 ITF title of her career after winning at the Evansville event in the USA.
Serena Williams capped off a season to remember by capturing her fourth WTA Championship title with a 2-6, 6-3, 6-0 win over Li Na on Sunday.
Images from Day 8 of the 2023 Australian Open at Melbourne Park on Sunday.
That is Murray's 46th ATP title.