Ella Seidel

Ella Luise Seidel (born 14 February 2005) is a German professional tennis player. She has a career-high singles ranking by the WTA of No. 78, achieved on 12 January 2026, and a best doubles ranking of No. 190, attained on 23 September 2024.

Juniors Seidel was born in Hamburg, Germany and attended the Sportgymnasium Alter Teichweg school there, where she was able to graduate high school two years early at the age of 17, allowing her to focus on her tennis career. She also spent time training in Kühlungsborn, a Baltic Sea resort town where her parents owned a holiday home.

Professional 2022–23: WTA Tour debut Seidel made her WTA main-draw debut at the WTA 250 2022 Hamburg European Open in the doubles draw partnering with Nastasja Schunk, winning her first round match against Elixane Lechemia and Sabrina Santamaria. She made her singles main-draw debut as a wildcard at the 2023 edition of the tournament, losing to fellow German Jule Niemeier in the first round.

2024: Major debut, WTA Tour quarterfinal Ranked No. 172, Seidel qualified to make her major debut at the Australian Open on her first attempt of qualifying at any major, where she lost to world No. 2 and eventual champion Aryna Sabalenka in the first round.

After gaining entry into the main draw as a lucky loser at the Budapest Grand Prix in July, she defeated seventh seed Moyuka Uchijima by retirement and Anna Bondár to reach her first WTA Tour quarterfinal, at which point she lost to top seed and eventual champion Diana Shnaider. The following week at the Prague Open, Seidel made it back-to-back quarterfinal appearances by overcoming seventh seed Nadia Podoroska and lucky loser Ena Shibahara, before losing in the last eight to Linda Nosková.

Ranked No. 124 at the WTA 500 Ningbo Open, she entered the main draw as lucky loser and defeated fellow lucky loser Kathinka von Deichmann, before losing to Yulia Putintseva. She also got into the main-draw of the Guangzhou Open as a lucky loser but lost for a second time to fellow qualifier Mananchaya Sawangkaew, having also previously lost to her in the last round of qualifying.

2025: WTA 1000 fourth round and 500 quarterfinal, top 100 Seidel reached the quarterfinals at the Transylvania Open in February with wins over eighth seed Jaqueline Cristian and Anna Blinkova, before her run was ended by top seed and eventual champion Anastasia Potapova.

She qualified for her maiden appearance in the main-draw at Wimbledon, but was forced to retire injured in her first round match against Jessica Bouzas Maneiro, after slipping into an unmarked ditch at the back of the court.

Having made it through qualifying at the Cincinnati Open in August, Seidel recorded her first win at a WTA 1000 on her debut at this level, defeating Polina Kudermetova in three sets. She then defeated eighth seed Emma Navarro, for her first win against a top-20 ranked opponent, and 29th seed McCartney Kessler to reach a WTA 1000 fourth round for the first time, at which point she lost to fellow qualifier Varvara Gracheva in three sets. As a result she reached the top 105 in the singles rankings on 18 August 2025. Seidel made her debut in the top 100 reaching a new career-high singles ranking of world No. 95 on 22 September 2025.

Performance timelines

Only WTA Tour (incl. Grand Slams) main-draw and Billie Jean King Cup results are considered in the career statistics.

Singles Current through the 2026 US Open.

Doubles Current through the 2026 Bad Homburg Open.

ITF Circuit finals Singles: 8 (5 titles, 3 runner-ups) Legend W60/W75 tournaments (2–3) W25/W35 tournaments (3–0)Finals by surfaceHard (1–1)Clay (4–2)

Doubles: 2 (1 title, 1 runner-up) Legend W75 tournaments (0–1) W25 tournaments (1–0)Finals by surfaceHard (0–0)Clay (1–1) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin 1–0 ITF Leipzig, GermanyW25 Clay Noma Noha Akugue Tea Lukic Joëlle Steur 6–0, 7–5Loss 1–1 ITF Prague Open, Czech RepublicW75 Clay Noma Noha Akugue Jaimee Fourlis Dominika Šalková 7–5, 5–7, [4–10]

Junior Grand Slam tournament finals Doubles: 1 (runner-up) ResultYearTournamentSurfacePartnerOpponentsScoreLoss 2022 US Open Hard Carolina Kuhl Lucie Havlíčková Diana Shnaider 3–6, 2–6