Date of Birth: 
About Leonie Küng
- Leonie Küng (born 21 October 2000) is a Swiss tennis player. Küng has a career-high WTA singles ranking of No.
- 413, achieved on 16 July 2018.
- She also has a career-high WTA doubles ranking of No.
- 378, achieved on 19 November 2018.
- She won her first $15,000 events in singles and doubles at the age of 17 in November 2017 in Oslo. Küng made her WTA Tour main-draw debut at the 2017 Ladies Open Biel Bienne in the doubles draw partnering Ylena In-Albon.
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