

Lilli Tagger (born 17 February 2008) is an Austrian tennis player. She has a career-high WTA singles ranking of world No. 109, achieved on 21 March 2026. Tagger was the 2025 Junior French Open champion.
Career
Juniors
From Lienz, she later became based in Varese near Milan, in Italy, and trained at the academy of Francesca Schiavone.
In July 2024, she qualified for the girls' singles at the 2024 Wimbledon Championships with a win over Ksenia Efremova in a 10–6 match tiebreak.
She beat Mimi Xu to reach the quarterfinals of the girls singles at the 2025 Australian Open where she lost to Australian Emerson Jones.
At the 2025 French Open she had Francesca Schiavone as part of her support team. 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. 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. In the girls' doubles she played alongside Slovakian Mia Pohánková and they reached the semifinals before facing German pairing Sonja Zhenikhova and Eva Bennemann.
2023-2024: Pro beginnings
In November 2023 Tagger reached her first ITF Women's Circuit final in Sharm El Sheik. She won her first ITF tour doubles title in Viserba, Italy in July 2024 playing alongside Italian Anastasia Bertacchi, they defeated Francesca Pace and Inès Ibbou in the final.
In December 2024, she played in her first WTA 125 tournament main-draw in Limoges as a wildcard entrant, where she won her first round match against the world No. 159, Victoria Jiménez Kasintseva, before losing in the second round to sixth seed Nuria Parrizas-Diaz.
![]()
Trophies ![]()
Milestones
Former Youth Teams ![]()





