Caroline Wozniacki and Jelena Ostapenko's Asian titles last week help improve their standing in the Porsche Race to Singapore.
US Open finalists Lucie Hradecka and Katerina Siniakova become the fourth team to qualify for the BNP Paribas WTA Finals Singapore presented by SC Global. This will be Hradecka's fourth appearance at the WTA Finals, while Siniakova makes her Singapore debut.
No.3 seed Caroline Wozniacki dispatched Anastasia Pavlyuchenkova to capture her first championship of the season, after six previous final losses, at the Toray Pan Pacific Open.
With the first WTA Premier event of the Asian swing in Tokyo underway this week, which WTA stars have their eyes on Singapore?
Sloane Stephens and Madison Keys soared up the Porsche Race to Singapore after a banner US Open: read on to find out how close they are to the Top 8!