Singapore stars gather for iconic photoshoot

Roland Garros finalist Sloane Stephens ...

And Charleston, Cincinnati and Seoul champion Kiki Bertens.

The White Group features No. 2 seed and defending champion Caroline Wozniacki, who, in accordance with another WTA Finals tradition, took a picture from the infinity pool ...

As well as fourth seed Petra Kvitova, winner of five WTA titles this year ...

Brisbane, Dubai and Rome champion Elina Svitolina ...

And Stuttgart and Tokyo titleholder Karolina Pliskova:

Simona Halep, though she had to withdraw with an injury, made an appearance on Friday at the Gala Evening, and also won the WTA Award for Player of the Year.

Play in Singapore started on Sunday evening, with three rounds of round-robin play to go before the semifinals are set.

This Week on Tennis Channel PLUS 10/21

ATP Vienna & Basel (10/22 –10/28)

Tennis Channel PLUS has every match live, First Round to the Final. Watch live coverage from 4 courts on Tennis Channel PLUS beginning Monday 10/22 at 7:00AM ET.

USTA Macon (10/23 – 10/28)

Tennis Channel PLUS has first ball to last ball action live! Coverage begins Tuesday, October 23 at 10:00AM ET