Day 2 of #IPTL2 saw its share of upsets as Karolina Pliskova edged past Serena Williams, while Ana Ivanovic bested Maria Sharapova to lead their teams to victory.
WTA Staff

World No.1 Serena Williams made her 2015 debut in the International Premier Tennis League, but wasn't able to turn the tide towards the Philippine Mavericks, who dropped a 26-24 decision to the OUE Singapore Slammers.

The Slammers won their first match of the season, led by Karolina Pliskova, who defeated Williams 6-4 in women's singles, and Belinda Bencic, who partnered French Open men's doubles champion Marcelo Melo to defeat Jarmila Gajdosova and Edouard Roger-Vasselin in mixed doubles by the same score.

Kristina Mladenovic and Ana Ivanovic kept up their 1-2 punch for the OBI UAE Royals, helping their team to a second straight victory, this time a 30-15 shutout of the Legendari Japan Warriors, which featured former No.1 Maria Sharapova.

Sharapova played both mixed doubles and women's singles, suffering a 6-0 loss in the former to Mladenovic and Daniel Nestor - despite pairing former men's doubles No.1 Leander Paes - and couldn't get the best of Ivanovic, who won their match-up, 6-4.

Check out some of the best tweets from Day 2 of #IPTL2:

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