Eva Lys

As a junior she participated in the Australian Open Juniors, winning in the qualifiers but losing in the main draw first round to Melania Delai.^[]

Lys made her WTA Tour main-draw debut at the Hamburg European Open when she received a wildcard into the doubles draw, partnering Noma Noha Akugue. They lost to Mona Barthel and Mandy Minella in the first round.

Lys made her WTA Tour singles debut at the Porsche Tennis Grand Prix in Stuttgart, coming through the qualifying. She beat Viktorija Golubic in the first round, before losing to world No. 1, Iga Świątek, in the second.

Lys made her major debut at the Australian Open, losing in the first round to Cristina Bucșa in three sets.

Having qualified for the main draw, she recorded her first win in a major at the 2023 US Open on her debut there over wildcard Robin Montgomery. She lost in the second round to Lucia Bronzetti. Lys reached her first WTA Tour semifinal at the 2023 Transylvania Open in Cluj-Napoca, Romania, but lost to eventual champion, fellow German Tamara Korpatsch.

In July, she qualified for the Wimbledon Championships making her debut at this major although she went out in the opening round to Clara Burel. In mid-July, Lys reached her second WTA Tour semifinal at the 2024 Budapest Grand Prix with wins over sixth seed Nadia Podoroska, Bernarda Pera and finally Rebecca Šramková in the quarterfinals before losing to top seed Diana Shnaider. As a result she reached a new career-high WTA singles ranking of world No. 108 on 22 July 2024.

Ranked No. 113, she also qualified for the main draw of the US Open for a second consecutive year, and lost in the first round in a close three-setter to Marie Bouzková. At the 2024 Jasmin Open, Lys reached her fourth career quarterfinal, defeating Lesia Tsurenko and upsetting top seed and two-time defending champion Elise Mertens, her fourth career top 50 win, following a comeback from 1–6, 0–2 and 15–40 to win in three sets. Next she defeated Zeynep Sönmez to reach her third WTA Tour semifinal, which she lost to Sonay Kartal when she retired due to illness, while trailing in the first set. As a result, she reached No. 105 in the singles rankings on 23 September 2024.

Having lost in qualifying, Lys gained entry into the Australian Open main draw as a lucky loser, after 13th seed Anna Kalinskaya withdrew just minutes before her match with qualifier Kimberly Birrell was due to start. Lys took advantage of her second-chance opportunity by defeating Birrell in straight sets. Lys then overcame Varvara Gracheva to reach the third round. Next, Lys defeated Jaqueline Cristian in three sets to make a major fourth round and reach the top 100 in the WTA rankings for the first time in her career. She became the first lucky loser to reach the women's singles fourth round and only the sixth to make the last 16 of any major in the Open Era. She was then eliminated by second seed Iga Świątek in two sets.

At the WTA 1000 Dubai Championships, she qualified for the main draw and defeated Romanian No. 1 player Irina-Camelia Begu for her first WTA 1000 win. As a result, she moved into the top 80 at world No. 77 in the singles rankings on 24 February 2025, becoming the German No. 1 player.

At the Indian Wells Open where she was making her debut, she entered the main draw again as a lucky loser directly into the second round, after the late withdrawal of 11th seed Paula Badosa, who had a first round bye.