Lilli Tagger (born 17 February 2008) is an Austrian tennis player. She has a career-high WTA singles ranking of world No. 153, achieved on 10 November 2025. Tagger was the 2025 Junior singles French Open champion.[2][3][4]
At the 2025 French Open she had Francesca Schiavone as part of her support team.[9] She reached the semifinals of the girls' singles with a win over the number 12 seed Julia Stusek. In doing so, she became the first female Austrian player to reach the semifinals of a junior Grand Slam tournament since Tamira Paszek in 2006, and the first Austrian overall since Dominic Thiem in 2011.[5] Tagger again faced Emerson Jones and won in straight sets, before also defeating Hannah Klugman of Great Britain in straight sets, for the loss of only two games in the final.[10] In the girls' doubles she played alongside Slovakian Mia Pohánková and they reached the semifinals before facing
German pairing Sonja Zhenikhova and Eva Bennemann.[5][11]
In March 2025, Tagger won her first ITF Circuit singles title defeating Lois Boisson in a two-set final in Terrassa, Spain.[5]
In October 2025, Tagger was given a wildcard entry to make her WTA Tour debut at the Jiangxi Open, recording wins over fellow WTA debutant Zhu Chenting,[15]Elisabetta Cocciaretto[16] and Tamara Korpatsch[17] to make it through to the semifinals, where she fought back from three match points down to overcome second seed and defending champion, Viktorija Golubic, in three sets to become the first player born in 2008 to reach a WTA Tour final.[18] In the championship match she lost to Anna Blinkova in straight sets.[19] Despite her defeat, she reached a new career-high ranking in the top 200 at world No. 156, on 3 November 2025.[20]
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Austria
Anna Blinkova
Loïs Boisson
Lina Gjorcheska
Anastasia Bertacchi
Inès Ibbou 
Hannah Klugman
