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.
Unseeded Marketa Vondrousova of the Czech Republic stunned Tunisia's Ons Jabeur 6-4 6-4 to win the Wimbledon women's singles final on Saturday.
Simona Halep trailed by a set and 5-1 against Elina Svitolina but somehow dug herself out of a hole before storming to victory to set up a semi-final against Karolina Pliskova.
Sabalenka overpowers Raducanu, Osaka falls
The decision to lift the ban was met with protest from Ukraine, whose Foreign Minister Dmytro Kuleba said it was "immoral" and urged Britain to deny Russian and Belarusian players visas.
Czech Karolina Pliskova stopped upset-maker Varvara Lepchenko in the semi-finals at the Bank of The West Classic in Stanford, California, on Saturday.
France showcased its cultural diversity, spirit of revolution, impeccable craftsmanship, and architectural heritage in a riveting opening ceremony for the 33rd Olympic Games.
Naomi Osaka has sacked her second coach in seven months, splitting with Jermaine Jenkins
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.
Novak Djokovic will begin his Australian Open title defence against Frenchman Jeremy Chardy, while reigning women's champion Sofia Kenin meets wild card Maddison Inglis, following the draw for the year's first Grand Slam on Friday.
This year's Australian Open will be allowed to admit up to 30,000 fans a day, around 50% of usual capacity, amid the COVID-19 pandemic.
The sixth seed, a winner in Madrid last weekend for the second year in a row, will meet either Spain's French Open champion Garbine Muguruza or Ukraine's Elina Svitolina in Sunday's final.
Hurkacz, Swiatek win as Poland march into United Cup final
Nick Kyrgios continued his impressive run of form ahead of this month's Australian Open by powering the host nation to the mixed-team Hopman Cup title against Ukraine in Perth on Saturday.
Relief was at hand, however, with a cool change blowing over the city and the temperature expected to fall back below 30 by the evening.
Penpix of the top women's contenders at the 2017 French Open:
Aryna Sabalenka expressed more concern over the vaccine than her quarterfinal opponent No 1 Ash Barty
Former number one Martina Hingis is not impressed by the current crop of young players whose main focus is on hitting harder, rather than developing an all-round game, the Swiss veteran said.
The stars were out in full force at the Kensington Roof Gardens, in London, on Thursday night.
Factbox on Japan's Naomi Osaka, who beat Victoria Azarenka of Belarus 1-6, 6-3, 6-3 to win the US Open title on Saturday.
Sofia Kenin, defending champion Belinda Bencic and third seed Elina Svitolina made swift exits at the Dubai Duty Free Tennis Championships
IMAGES from Day 8 of the French Open, at Roland Garros, on Sunday.
Jelena Ostapenko became only the sixth female Grand Slam champion to lose in the opening round of their title defence on Sunday when she lost to Kateryna Kozlova at the French Open.
American Stephens stayed calm and saw off an increasingly agitated Angelique Kerber in the winner-takes-all night match to complete round-robin play with a spotless 3-0 record after she wrapped up a 6-3, 6-3 victory against the German.
Simona Halep was able to shake off the disappointment of a third consecutive early exit from the WTA Finals by focusing on a positive year that led to the 26-year-old old Romanian climbing to the top of the world rankings.
Local hope Nick Kyrgios has been elevated to the Rod Laver Arena for his meeting with childhood hero Jo-Wilfried Tsonga at the Australian Open on Friday, when Melbourne Park is again expected to swelter.
The veteran American set up a showdown with Romanian former world number one Simona Halep in Saturday's final.
IMAGES from Day 6 of the 2023 US Open on Saturday.
Kvitova to decide on participation on Friday
She will now play Dutch 15th seed Kiki Bertens, who saw off Australian qualifier Daria Gavrilova 6-3, 6-3, in Saturday's semi-final on the red Foro Italico clay.
Images from Day 8 of the Australian Open in Melbourne on Monday.
India's Sania Mirza put herself in contention for a seventh Grand Slam title as she breezed into the Australian Open mixed doubles final with Ivan Dodig, beating local favourites Samantha Stosur and Sam Groth in Melbourne on Friday.
IMAGES from the matches played at Miami Miasters in Key Biscayne, Florida, on Wednesday
David Ferrer sent local favourite Bernard Tomic packing with an easy 6-3, 7-5 win in the opening round of the Brisbane International on Monday.
Djokovic continues to lead ATP Rankings
Images from Day 7 of the 2021 US Open in New York on Sunday.
IMAGES from Day 6 of the French Open, at Roland Garros, on Friday.
A look at the records of Garbine Muguruza and Sofia Kenin ahead of their Australian Open final on Saturday.
Images from Day 6 of the French Open in Paris on Friday.
The 2009 champion who will next face Roger Federer, saved two match points in the fourth set of what was arguably the best of the tournament so far.