Serena Williams assured herself of holding on to her No.1 ranking with her 50th WTA title in Madrid.
Competing in her first clay court final at the Portugal Open, Anastasia Pavlyuchenkova was victorious for her fifth WTA title.
Maria Sharapova celebrated after she defeated Li Na in straight sets to defend her Porsche Grand Prix title.
Ekaterina Makarova and Elena Vesnina celebrated after winning the decisive doubles rubber against Slovakia in the Fed Cup semifinals.
Kaia Kanepi, who won two titles in 2012, made her WTA return in Katowice after seven months out with a heel injury.
Serena Williams came from a set down to beat Jelena Janvokic in the Family Circle Cup final for her third title in Charleston and the 49th of her career.
Serena Williams celebrated on Miami Beach after she won a record sixth title at the Sony Open Tennis.
Sorana Cirstea pulled off the biggest upset of the opening week when she took out No.6 seed Angelique Kerber.
Maria Sharapova celebrated after her victory over Caroline Wozniacki in the Indian Wells final on Sunday. The Russian has now won at least one title for each of the last 11 years - the fourth longest streak in WTA history.
Petra Kvitova defeated Lesia Tsurenko in Indian Wells on Sunday for her seventh straight win.
Sara Errani defended her Acapulco title on Sunday and took her number of wins to a WTA-leading 18 in the process.
Petra Kvitova was victorious at the Dubai Duty Free Tennis Championships for her 10th WTA title.
While in Doha, Serena Williams assured herself of becoming the oldest World No.1 in WTA history.
Daniela Hantuchova and Dominika Cibulkova rejoiced after the Slovak Republic's first round Fed Cup triumph over Serbia.
A year after being runner-up at the PTT Pattaya Open, Maria Kirilenko took the title there with a narrow defeat of Sabine Lisicki in the final.
Victoria Azarenka posed with the Daphne Akhurst Memorial Cup after she defeated Li Na to defend her Australian Open title and No.1 ranking.
At the Australian Open, Li Na made it through to her first Grand Slam quarterfinal since her famous French Open triumph in 2011.
Agnieszka Radwanska recorded a double bagel in the Sydney final to win a title for the second straight week.
Cara Black celebrated with her son, Lachlan, and doubles partner Anastasia Rodionova after winning in Auckland - her first tournament since July 2011.