Ashleigh Barty (+309, 326 to 17): The Australian's return from a two-year hiatus saw her smash through milestones: a first Slam third round in Melbourne, a maiden title in Kuala Lumpur in March and a debut Premier final in Birmingham (Getty)
November 5, 2017
Check out the 15 players in the 2017 year-end rankings who improved their position by the greatest amount since their 2016 year-end placement.
Vera Zvonareva (Tashkent Open)
September 25, 2017
Former World No.2 Vera Zvonareva made good on a qualifying wildcard to oust No.4 seed Irina-Camelia Begu in the first round of the Tashkent Open.
Svetlana Kuznetsova against Marketa Vondrousova (Getty)
August 31, 2017
La campeona del US Open 2004, Svetlana Kuznetsova, salvó tres pelotas de partido contra una en forma Marketa Vondrousova para llegar a la segunda ronda en Flushing Meadows.
Svetlana Kuznetsova, US Open
August 30, 2017
2004 US Open champion Svetlana Kuznetsova saved three match points against an in-form Marketa Vondrousova to reach the second round in Flushing Meadows.
Victoria Azarenka, Western & Southern Open (Getty)
July 27, 2017
The Western & Southern Open announced the four wildcards who'll join the main draw of the Premier 5 on Thursday.
Tsvetana Pironkova, Wimbledon, The Championships
Which women are unseeded and looming at the All England Club? WTA Insider profiles 10 players who have what it takes to score major upsets at Wimbledon.
Jelena Ostapenko with the Roland Garros trophy (Getty)
French Open champion Jelena Ostapenko is on the brink of the Top 10, while Simona Halep returns to No.2 and Elina Svitolina sets another career high.
Simona Halep hits a backhand at Roland Garros
The action continues at Roland Garros on the fifth day of the second Grand Slam of the year. Read our guide to the talking points, trending topics and what to watch on Wednesday.
Beatriz Haddad Maia (Getty)
Six women will break new ground this fortnight as they make their Grand Slam main draw debut in Paris - get to know them here at wtatennis.com!
Marketa Vondrousova won in Biel/Bienne (Getty)
Czech teen Marketa Vondrousova is on a wave of confidence since winning her maiden title in Biel/Bienne; how will she fare in her first Grand Slam main draw alongside fellow dangerous qualifiers like Sara Errani and Bethanie Mattek-Sands?
Sara Errani, French Open, Roland Garros
2012 French Open finalist Sara Errani is the top seed in a stacked qualifying draw at the French Open; who else is vying for the main draw of the second Grand Slam tournament of the season? Find out here on wtatennis.com!
Dayana Yastremska, Daria Kasatkina, Anett Kontaveit, Marketa Vondrousova
Cast your vote now for April's Breakthrough of the Month - Daria Kasatkina, Marketa Vondrousova, Anett Kontaveit, or Dayana Yastremska?