Tayisiya Morderger

Tayisiya Morderger (born 7 March 1997) is a German tennis player.

Morderger has career-high singles ranking of world No. 400, achieved on 18 September 2017, and a best WTA doubles ranking of No. 242, reached on 3 February 2020. She has won five singles titles and twelve doubles titles on tournaments of the ITF Circuit.

Morderger made her WTA Tour main-draw debut at the 2020 Prague Open, partnering her twin sister Yana in the doubles event, falling to Lucie Hradecká and Kristýna Plíšková in the first round.

Personal life
Her twin sister, Yana Morderger, is also a tennis player.