Spain's Paula Badosa ground out a 7-6(4), 6-4 victory over Maria Sakkari at the WTA Finals in Guadalajara, Mexico on Saturday and advanced to the semi-finals with two wins from two matches in Group Chichen Itza after Aryna Sabalenka beat Iga Swiatek.
Elena Rybakina rallied from a set down to beat Russian fourth seed Ekaterina Alexandrova 3-6, 6-0, 6-2 and win the Ningbo Open title on Sunday, as her late surge to reach next month's WTA Finals gained momentum.
Paula Badosa overcame a slow start to take down Belarusian top seed Aryna Sabalenka after Maria Sakkari continued her dominance of Iga Swiatek in the round-robin stage of the WTA Finals in Guadalajara, Mexico on Thursday.
Indian tennis ace Sania Mirza and her Swiss partner Martina Hingis ended their dream run of 2015 on a high, winning their ninth women's doubles title, in Singapore, on Sunday.
Maria Sharapova continued her mastery of Romania's Simona Halep with a high quality 6-4, 6-4 victory filled with bruising baseline rallies to edge closer to a last four berth at the WTA Finals on Tuesday.
Zhang Shuai stunned Wimbledon Champion Angelique Kerber 6-1, 2-6, 6-0 in the China Open on Thursday to set up a quarter-final clash with Naomi Osaka.
President Pranab Mukherjee on Tuesday congratulated tennis ace Sania Mirza for winning the season-ending WTA Finals women's doubles title.
World's numero uno women's doubles pair of Sania Mirza and Martina Hingis continued their rampaging form and extended their monster winning streak to 20 matches in a row after reaching the semi-finals of the WTA Finals in Singapore.
Serbia's Ana Ivanovic just missed out on a place in the semi-finals of the season-ending WTA Finals despite beating Simona Halep in the final group match on Friday.
A day after suffering her heaviest defeat since she was a teenager, Serena Williams was back to her brilliant best as she swatted aside Eugenie Bouchard 6-1, 6-1 in her final round robin match at the WTA Finals on Thursday.
Alexander Zverev fumes after Carlos Alcaraz takes a medical timeout for cramps during their Australian Open semi-final, questioning rules and alleged preferential treatment.
While off-court battles over pay and governance rumbled on, opportunities were scarce beyond the duopoly at the top of the men's game, leaving Djokovic to provide the year's standout moments for the chasing pack.
Poland's Agnieszka Radwanska booked a spot at the end of season WTA Finals in Singapore after outclassing Montenegrin Danka Kovinic to win the Tianjin Open in China on Sunday.
Anett Kontaveit handed Czech Karolina Pliskova a 6-4, 6-0 drubbing to become the first player to qualify for the semi-finals while Garbine Muguruza came from behind to defeat Barbora Krejcikova 2-6, 6-3, 6-4 at the WTA Finals in Guadalajara, Mexico on Friday.
American teenage sensation Coco Gauff progressed to her maiden WTA final as she eased past Germany's Andrea Petkovic 6-4, 6-4 at the Linz Open on Saturday. The 15-year-old Gauff became the youngest player to reach a WTA final since Czech Republic's Nicole Vaidisova won the Tashkent Open in 2004, also aged 15.
World No 1 Serena Williams was handed the best possible draw for her WTA Finals title defence with the 33-year-old American grouped with two injury doubts and avoiding the in-form players.
An emotional Agnieszka Radwanska claimed her maiden WTA Finals title with a roller-coaster 6-2, 4-6, 6-3 victory over Czech Petra Kvitova in an absorbing encounter at a packed Singapore Indoor Stadium on Sunday.
World number one Simona Halep pulled out of next week's WTA Finals due to a lower back injury.
World number one Aryna Sabalenka brushed aside Marta Kostyuk 6-4, 6-3 in the Brisbane International final on Sunday to retain the title without losing a set ahead of her bid to reclaim the Australian Open title this month.
Three women in the field have topped the world rankings this season, incumbent Simona Halep and her predecessors Garbine Muguruza and Karolina Pliskova, but none of them have been able to kick on and cement their place as the tour's dominant player.
Britain's Johanna Konta faces an anxious 24-hour wait before discovering whether she will make her debut at the WTA Finals in Singapore.
Svitolina arrived in Singapore out of form yet determined to "silence the haters", who she said believed she did not deserve to be in the tournament, and the Ukrainian has played brilliantly to win all three pool matches and her semi-final.
Marin Cilic and Milos Raonic booked their spots in the Paris Masters second round on Monday, while Roger Federer pulled out of the tournament with next month's ATP Finals on the horizon.
Dominika Cibulkova completed a remarkable debut at the WTA Finals when the Slovakian world number eight stormed to victory with an unlikely 6-3 6-4 triumph over top seed and world number one Angelique Kerber in the title showdown on Sunday. Cibulkova lost her first two round robin matches before beating Simona Halep to squeeze into the semi-finals and her victory on Sunday matches the feat of 2015 winner Agnieszka Radwanska, who captured the title with a 1-2 pool record.
The 19-year-old beat the Japanese wildcard 6-2, 6-2 to set up a showdown with former US Open champion Sam Stosur, who downed American teenager Madison Keys 6-1, 6-2 in the other semi at the $250,000 event on the hard courts in Osaka.
World No. 1 Carlos Alcaraz came under extreme pressure before overcoming American Taylor Fritz 6-7(2), 7-5, 6-3 in a thrilling round-robin match at the ATP Finals on Tuesday, leaving the Spaniard on two wins from two.
The 16-times Grand Slam champion, who has been slightly ill lately, was kept on his toes before racing to victory to set up a meeting with seventh seed Stefanos Tsitsipas.
Angelique Kerber was forced to dig deep in her WTA Finals opener before the German world number one battled past Dominika Cibulkova 7-6(5), 2-6, 6-3 in a high-class baseline slugfest at the Singapore Indoor Stadium on Sunday.
World No 1 Serena Williams suffered one of the heaviest defeats of her long and illustrious career as she was humbled 6-0, 6-2 by Romanian Simona Halep at the WTA Finals on Wednesday.
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.
Top seeds Sania Mirza and Martina Hingis defeated Czech pair of Andrea Hlavackova and Lucie Hradecka in straight sets to virtually seal a women's doubles semi-final spot in the WTA Tennis Finals in Singapore.
French Open champion Coco Gauff defeated Italy's Jasmine Paolini 6-4, 6-3 on Saturday to reach the Wuhan Open final, her third WTA 1000 final of the year.
World number two Simona Halep beat Maria Sharapova 6-2, 6-2 in the China Open third round on Wednesday for her first win over the Russian in eight attempts.
Caroline Woznaicki produced an almost perfect display to dismantle world number one Simona Halep 6-0 6-2 at the WTA Finals on Wednesday, the Dane recording her second dominant victory in as many matches.
Garbine Muguruza made an imposing start to the WTA Finals by confidently swotting aside Czech Lucie Safarova 6-3, 7-6 (4) in their White Group opener on Monday.
Garbine Muguruza continued her dream debut at the WTA Finals by completing round robin play with a perfect 3-0 record to advance to the semi-finals after a hard fought 6-4, 4-6, 7-5 victory over Petra Kvitova on Friday.
Russia's Svetlana Kuznetsova raced to a 6-2, 6-1 victory over Australian Daria Gavrilova to defend her Kremlin Cup title in Moscow on Saturday and secure a place at the season-ending WTA Finals.
Angelique Kerber showed more passion in the media centre than on the court when she crashed out of last year's WTA Finals, the German angered by the format and frustrated by her inability to win the set off an eliminated opponent she needed to advance.
It marks Osaka's first WTA 1000 semi-final since Miami in 2022, as the Japanese former world number one needed just over an hour to secure victory over the 10th seeded Svitolina.
Two-time US Open singles champion Venus Williams has received a wildcard entry into this year's tournament, organisers said on Wednesday, as the 45-year-old American continues her age-defying return to the court.