Defending champion Andrea Sestini Hlavackova took flight alongside fellow "Angry Bird" Barbora Strycova to win the first match of the BNP Paribas WTA Finals Singapore presented by SC Global in straight sets on Thursday.

Catch up with the action from Singapore as Karolina Pliskova secured her place in the semifinals.

All the best posts from social media.

All eight women have a chance to qualify as the BNP Paribas WTA Finals Singapore presented by SC Global heads into the final rounds of group play. WTA Insider has the scenarios.

US Open champion Naomi Osaka was candid in talking through balancing expectations with her own desire for perfection after a second defeat at the BNP Paribas WTA Finals Singapore presented by SC Global.

Sloane Stephens held off a determined Kiki Bertens in a late-night thriller at the BNP Paribas WTA Finals Singapore presented by SC Global.

Top seed Angelique Kerber defeated US Open champion Naomi Osaka in three sets to pull her record even at the BNP Paribas WTA Finals Singapore presented by SC Global.

WTA Founder and Legends Ambassador Billie Jean King gave a rousing press conference on Wednesday at the BNP Paribas WTA Finals Singapore presented by SC Global, commenting on debutantes Naomi Osaka and Sloane Stephens.

Follow the action as it happens.

Catch up with the action from Singapore with the WTA Insider Live Blog as Kerber beat Osaka 6-4, 5-7, 6-4.