Mona Barthel (born 11 July 1990) is a German tennis player.Barthel has won four singles and two doubles titles on the WTA tour as well as five singles and one doubles title on the ITF circuit in her career. On 18 March 2013, Barthel reached her best singles ranking of world number 23. On 14 September 2015, she peaked at world number 63 in the doubles rankings.Mona Barthel was born in Bad Segeberg to Wolfgang Barthel, who won the shot put event at the 1970 European Junior Athletics Championships in Paris, and Dr. Hannelore. She was raised in a tennis-playing family, and took an interest in the game at age 3. She has cited Steffi Graf as an inspiration. Barthel moved to Neumünster, where she completed her Abitur in 2009, having attended the Klaus Groth Schule. Wikipedia