Red Group Round Robin
Ashleigh Barty (1) vs. Kiki Bertens (alt)
Highlights | Full Match
Ashleigh Barty (1) vs. Petra Kvitova (6)
Petra Kvitova (6) vs. Belinda Bencic (7)
Naomi Osaka (4) vs. Petra Kvitova (6)
Kiki Bertens (alt) vs. Belinda Bencic (7)
Ashleigh Barty (1) vs. Belinda Bencic (7)

Purple Group Round Robin

Karolina Pliskova (2) vs. Simona Halep (5)
Bianca Andreescu (4) vs. Simona Halep (5)
Simona Halep (5) vs. Elina Svitolina (8)
Karolina Pliskova (2) vs. Elina Svitolina (8)
Karolina Pliskova (2) vs. Bianca Andreescu (4)
Sofia Kenin (alt) vs. Elina Svitolina (8)

Final
Sloane Stephens (5) vs. Elina Svitolina (6)
Highlights | Full Match

Semi-Final
Sloane Stephens (5) vs. Karolina Pliskova (8)
Elina Svitolina (6) vs. Kiki Bertens (8)

White Group Round Robin
Caroline Wozniacki (2) vs. Karolina Pliskova (8)
Petra Kvitova (4) vs. Elina Svitolina (6)

Red Group Round Robin
Angelique Kerber (1) vs. Kiki Bertens (8)

2017

Kallang, Singapore

Final
Caroline Wozniacki (6) vs Venus Williams (5)
Highlights | Full Match

SF Venus Williams (5) vs Caroline Garcia (8)
RR Venus Williams (5) vs Jelena Ostapenko (7)

2015

Kallang, Singapore
Final Agnieszka Radwanska vs. Petra Kvitova

2011

Istanbul not Constantinople, Turkey
Final Petra Kvitova (3) v. Victoria Azarenka (4)

2010

Doha, Qatar
Final Kim Clijsters (3) v. Caroline Wozniacki (1)

2009

Doha, Qatar
Final Serena Williams (2) v. Venus Williams (7)