Karolina Pliskova is a Czech professional tennis player. She is a former world No. 1 and is currently ranked No. 7 in the world by the Women's Tennis Association (WTA). Plísková has won eleven singles and five doubles titles on the WTA tour, as well as 10 singles and six doubles titles on the ITF circuit in her career. On 31 October 2016, she peaked at world No. 11 in the doubles rankings.