Li Na books Istanbul berth
Just three places remain up for grabs in the WTA Championships field after Li Na became the fifth woman to qualify.
- Related Content
This week's results mean the Chinese star is guaranteed to finish in the world's top eight, all of whom will head to Istanbul for the prestigious, season-ending event.
"I'm so happy to have qualified again for the TEB BNP Paribas WTA Championships as one of the top eight players this season," said the Australian Open runner-up, who qualifies for the third season in a row.
"I had a great time in Istanbul last year and I'm looking forward to coming back and playing my best tennis for the fans in Turkey."
Serena Williams, Victoria Azarenka, Maria Sharapova and Agnieszka Radwanska had already qualified.
The final three qualification slots are currently occupiued by Sara Errani, Petra Kvitova and Jelena Jankovic, but Roberta Vinci and Sloane Stephens remain very much in the hunt, especially given Sharapova is a doubt due to injury.
The tournament takes place from October 22-27.