Lilli Tagger

Juniors

From Lienz, Tagger moved to Varese near Milan, in Italy, and trained at the academy of Francesca Schiavone.

In July 2024, the Austrian qualified for the girls' singles at Wimbledon with a win over Ksenia Efremova in a 10-6 match tiebreak.

Tagger beat British 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, Tagger had Francesca Schiavone as part of her support team. She reached the semifinals of the girls' singles with a win over the No. 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 Sheikh. She won her first ITF World 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 competed in a WTA 125 main draw for the first time in Limoges as a wildcard entrant. She won her first-round match against the world No. 159, Victoria Jiménez Kasintseva, before losing her next match to sixth seed Nuria Parrizas-Diaz.

2025: WTA Tour and top 200 debuts, first final

In March, Tagger won her first ITF Circuit singles title defeating Lois Boisson in a straight-sets final in Terrassa, Spain.

In October, Tagger was given a wildcard entry to make her WTA Tour debut at the Jiangxi Open, recording wins over fellow tour debutante Zhu Chenting, Elisabetta Cocciaretto and Tamara Korpatsch 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. In the championship match, she lost to Anna Blinkova in straight sets. Despite her defeat, she reached a new career-high ranking in the top 200, at world No. 156, on 3 November 2025.

2026: WTA 1000 and top 100 debuts

Tagger entered her first WTA 125 final at the Mumbai Open, losing to Mananchaya Sawangkaew in straight sets.

In March, she received a wildcard entry to make her WTA 1000 tournament main-draw debut at the Indian Wells Open and defeated Varvara Gracheva in the first round in straight sets. She lost to world No. 34, Maria Sakkari, in the second round.

At the Miami Open, where she also received a wildcard for her debut at the event, Tagger defeated German qualifier Ella Seidel, before losing to 11th seed Ekaterina Alexandrova.

At her home tournament, the Upper Austria Linz Open, Tagger, again competing with a wildcard, defeated fellow wildcard entrant Paula Badosa and then third seed and world No. 21, Liudmila Samsonova, to reach her second WTA Tour quarterfinal, the first on clay and at the WTA 500-level. She lost to Anastasia Potapova in the round of the last eight. As a result of her run, she reached world No. 97 in the WTA singles rankings on 13 April 2026, making her the sixth teenager and the youngest player in the top 100.

In May, Tagger made her French Open main-draw debut, but lost in the first round to 32nd seed Wang Xinyu, in three sets.

At the tournament in Prague, she defeated the previous week's champion in Athens, two-time major champion Barbora Krejčíková, in the semifinals, and then Daria Snigur in the final. With this win and first title on the WTA Tour, she became the youngest Austrian to win at this level.

Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup and Olympic Games are included in win-loss records.

Singles

Current through the 2026 Wimbledon Championships.

Singles: 2 (1 title, 1 runner-up)

Singles: 1 (runner-up)

Singles: 5 (4 titles, 1 runner-up)

Doubles: 2 (1 title, 1 runner-up)

Current as of 27 July 2026.

• Grand Slam titles, WTA titles, Total titles, includes singles, doubles and mixed doubles titles.

Singles: 1 (title)