Timea Babos and Andrea Hlavackova created a huge shock in the semifinals of the 2017 WTA Finals as they defeated the invincible pairing of Chan Yung-jan and Martina Hingis, marking the Swiss' last match of her career.
Having some fond memories of Singapore from last year, the defending champions Ekaterina Makarova and Elena Vesnina began their 2017 WTA Finals campaign in some style, defeating Gabriela Dabrowski and Xu Yi-fan 6-1, 6-1 in just under an hour of play.
Elina Svitolina provided some great help to Garcia after she defeated world number one Simona Halep in straight sets, which eliminated the Romanian's chances of qualifying for the semifinals at the WTA Finals.
In what seemed to be impossible at the start of the day, Caroline Garcia managed to come out of nowhere to top the White Group after defeating Caroline Wozniacki 0-6, 6-3, 7-5 in a thriller which lasted 140 minutes.
Kiki Bertens and Johanna Larsson are the only non-top four seed to progress to the semifinals of the WTA Finals as they caused a huge shock against the fourth seeds Ashleigh Barty and Casey Dellacqua in three tight sets.