Dominika Cibulková is a Slovak former professional tennis player. She is the 2016 WTA Finals champion, becoming the fourth player to win the tournament on her debut. She won eight WTA Tour singles titles and two on the ITF Circuit.

The 2011 WTA Tour Championships was a tennis tournament played at Istanbul, Turkey from October 25 to October 30, 2011. It was the first time Turkey hosted the WTA Tour Championships. It was the 41st edition of the singles event and the 36th edition of the doubles competition. The tournament was held at the Sinan Erdem Dome and was contested by eight singles players and four doubles teams. It was the larger of two season ending championships on the 2011 WTA Tour.