With semis secured, Kerber helps Cibulkova, bolsters No. 1 bona fides

The German won in straight sets, to the delight of Cibulkova and the dismay of Keys.

WTA CEO Steve Simon wants a 'healthier and more balanced calendar'

Simon wants the WTA Finals to be the last event of the tour's season. 

The legend of Svetlana Kuznetsova just continues to grow

Kuznetsova, who will play Cibulkova in the semis, is hitting from the heart in Singapore. 

No. 1 Angelique Kerber savoring her rise to the top of women's tennis

The German's banner 2016 season has taken her to the top of the sport. 

WATCH: Viktor Troicki throws massive fit on court, melts down

“Why do I always get idiots?! Come on!” the 30-year-old screamed in Vienna. 

Tennis Podcast

Final Thoughts on Kyrgios; First Look at WTA Finals

Steve Tignor and Ed McGrogan dig into a busy week of tennis news, on and off the court.