With Acapulco and the Oracle Challenger Series leading us into tennis's own March Madness, check out the latest update in the standings of the Porsche Race to Singapore.

Lesia Tsurenko needed three sets against an inspired Stefanie Voegele but she was able to defend her title at the Abierto Mexicano TELCEL presentado por HSBC.

Germany's Julia Goerges will become the 125th player to debut in the WTA Top 10 on Monday, by virtue of Petra Kvitova's win over Kristina Mladenovic at the St. Petersburg Ladies' Trophy.

No.4 seed Timea Babos captured her third WTA singles championship at the Taiwan Open, with a straight-set victory over Kateryna Kozlova, who was contesting her first career final.

Petra Kvitova maintained her unbeatable form until the very end at the St. Petersburg Ladies Trophy, dethroning defending champion Kristina Mladenovic to win her 21st career title.

No.5 seeds Timea Babos and Kristina Mladenovic upset second-seeded Ekaterina Makarova and Elena Vesnina to win their first Grand Slam title as a team in Melbourne -- in their first event back together since 2015.

Caroline Wozniacki takes home her maiden Grand Slam title and returns to World No.1 for the first time in six years, outlasting top seed Simona Halep in three grueling sets.

Caroline Wozniacki will be the new WTA World No.1 after the Australian Open on Monday, January 29, exactly six years after she last held the top spot.

After falling in her third Grand Slam final in a deciding set, Simona Halep says she can only look forward.

Caroline Wozniacki is better than ever, while Simona Halep is closer than she's ever been. WTA Insider breaks down one memorable Australian Open final.