Simona Waltert (born 13 December 2000) is a Swiss professional tennis player. She has a career-high WTA singles ranking of No. 81, achieved on 9 February 2026, and a best doubles ranking of No. 87, achieved on 2 February 2026. To date, she has won one doubles title on the WTA Tour, one WTA 125 singles title and seven in doubles.
Career 2017: Juniors Waltert was a girls' singles semifinalist at the 2017 Wimbledon Championships, losing to eventual runner-up Ann Li. On the ITF Junior Circuit, Waltert had a career-high combined ranking of No. 9, achieved on 22 January 2018.Simona Waltert ITF Juniors Overview
2019-2023: WTA Tour and major debuts, maiden doubles title Waltert made her WTA Tour main-draw debut at the 2019 Ladies Open Lausanne, where she received a wildcard for the singles and doubles tournaments.
She won her first WTA Tour doubles title at the 2021 Ladies Open Lausanne, partnering Susan Bandecchi.
At the 2022 Ladies Open Lausanne, she earned her first top-10 win as a wildcard over world No. 7 and top seed, Danielle Collins, saving three match points in the deciding tiebreak. By defeating Cristina Bucsa the second round, she went one step further to reach her first WTA Tour quarterfinal, where she was beaten by Olga Danilović. She won the 2022 Bronx Open in doubles with partner Anna Blinkova.
Waltert made her major debut at the 2023 French Open and won her first match defeating Elizabeth Mandlik, before losing in the second round to Elisabetta Cocciaretto. As a result, she reached a new career-high ranking of No. 107 on 12 June 2023.
2024-2025: First WTA 125 singles title, top 100 Partnering with María Lourdes Carlé, Waltert was runner-up in the doubles at the WTA 125 2024 Montreux Open, losing to Quinn Gleason and Ingrid Martins in the final which went to a deciding champions tiebreak.
She reached the top 100 on 6 October 2025, following her first WTA 125 singles final at the Ljubljana Open in Slovenia and the quarterfinals in Rende, Calabria, as well as winning her first and biggest ITF W100 title in Lisbon.
Waltert won her first WTA 125 singles title at the 2025 Rio Ladies Open, defeating Alice Ramé in the final.
Performance timeline
Only main-draw results in WTA Tour (incl. Grand Slam tournaments) are included in win–loss records.
Singles Current through the 2026 Italian Open. Tournament20192020202120222023202420252026SRW–LGrand Slam tournaments Australian OpenAAAQ2Q3Q3Q11R0 / 10–1 French OpenAAAQ22RQ1Q31R0 / 21–2 WimbledonAAQ2Q11RQ2Q11R0 / 20–2 US OpenAAAQ2Q2Q2Q20 / 00–0Win–loss0–00–00–00–01–20–00–00–30 / 51–5WTA 1000 tournamentsQatar OpenAAAAAAAQ10 / 00–0Indian Wells OpenAAAAQ1AAQ10 / 00–0Miami OpenAAAAQ1AA1R0 / 10–1Italian OpenAAAAQ1AA2R0 / 11–1Career statisticsTournaments10124426Career total: 20Overall win–loss1–10–00–13–21–41–43–21–60 / 2010–20Year-end ranking29529721712016617586$1,265,996
WTA Tour finals
Doubles: 2 (1 title, 1 runner-up) LegendWTA 250 (1–1)Finals by surfaceClay (1–1)Finals by settingOutdoor (1–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Ladies Open Lausanne, SwitzerlandWTA 250Clay Susan Bandecchi Ulrikke Eikeri Valentini Grammatikopoulou6–3, 6–7(3–7), [10–5]Loss1–1Iași Open, RomaniaWTA 250Clay María Lourdes Carlé Veronika Erjavec Panna Udvardy5–7, 3–6
WTA 125 finals Singles: 3 (1 title, 2 runner-ups) ResultW–LDateTournamentSurfaceOpponentScoreLoss 0–1 Ljubljana Open, Slovenia Clay Kaja Juvan 4–6, 4–6Win 1–1 Rio Ladies Open, Brazil Clay Alice Ramé 7–5, 6–2Loss 1–2 Bastad Open, Sweden Clay Paula Badosa 5–7, 5–7
Doubles: 8 (7 titles, 1 runner-up) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss0–1Sep 2024Montreux Ladies Open, SwitzerlandClay María Lourdes Carlé Quinn Gleason Ingrid Martins3–6, 6–4, [7–10]Win1–1Antalya Challenger 2, TurkeyClay María Lourdes Carlé Maja Chwalińska Anastasia Dețiuc3–6, 7–5, [10–3]Win2–1Antalya Challenger 3, TurkeyClay Anna Bondár Alicia Barnett Elixane Lechemia7–5, 2–6, [10–6]Win3–1Ilkley Open, United Kingdom Grass Isabelle Haverlag Vitalia Diatchenko Eden Silva6–1, 6–1Win4–1Sep 2025Montreux Ladies Open, SwitzerlandClay Oksana Selekhmeteva Arantxa Rus Anca Todoni6–4, 6–1Win5–1Sep 2025Ljubljana Open, SloveniaClay Miriam Škoch Dalila Jakupović Nika Radišić6–2, 6–2Win6–1Makarska Open, CroatiaClay Isabelle Haverlag Ingrid Martins Ekaterina Ovcharenko2–2, ret.Win7–1Jul 2026Bastad Open, SwedenClay Emiliana Arango Alicia Barnett Elixane Lechemia6–4, 6–1
ITF Circuit finals
Singles: 19 (8 titles, 11 runner-ups) LegendW100 tournaments (1–0) W80 tournaments (0–1) W60/75 tournaments (2–2) W25 tournaments (0–3) W15 tournaments (5–5)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 Jun 2017ITF Lenzerheide, Switzerland25k Clay Georgia Brescia 6–0, 4–6, 6–7(1)Loss 0–2 Nov 2017ITF Oslo, Norway15k Hard (i) Leonie Küng 4–6, 4–6Win 1–2 Mar 2018ITF Mâcon, France15k Hard (i) Tess Sugnaux 6–4, 3–6, 6–3Loss 1–3 May 2018ITF San Severo, Italy15k Clay Despina Papamichail 1–6, 2–6Win 2–3 Dec 2018ITF Ortisei, Italy15k Hard (i) Joanna Garland 6–4, 6–2Loss 2–4 Jan 2019ITF Sharm El Sheikh, EgyptW15 Hard Magali Kempen 7–5, 3–6, 3–6Win 3–4 Feb 2019ITF Sharm El Sheikh, EgyptW15 Hard Oona Orpana 6–1, 6–3Loss 3–5 Feb 2019ITF Sharm El Sheikh, EgyptW15 Hard Mayar Sherif 4–6, 6–1, 3–6Win 4–5 Apr 2019ITF Cairo, EgyptW15 Clay Melanie Klaffner 7–6(6), 7–5Loss 4–6 May 2019ITF Cairo, EgyptW15 Clay Mayar Sherif 2–6, 1–6Loss 4–7 Jul 2019ITF Horb, GermanyW25 Clay Lea Bošković 4–6, 6–0, 1–6Win 5–7 Jan 2021ITF Manacor, SpainW15 Clay Yvonne Cavallé Reimers 6–2, 7–6(4)Loss 5–8 Feb 2021AK Ladies Open, GermanyW25 Carpet (i) Clara Tauson 6–3, 1–6, 3–6Loss 5–9 Oct 2021Internationaux de Poitiers, FranceW80 Hard (i) Chloé Paquet 4–6, 3–6Loss 5–10 Apr 2022Chiasso Open, SwitzerlandW60 Clay Lucia Bronzetti 6–2, 3–6, 3–6Win 6–10 Jul 2022Amstelveen Open, NetherlandsW60 Clay Emma Navarro 7–6(10), 6–0Loss 6–11 Feb 2023Open de Grenoble, FranceW60 Hard (i) Océane Dodin 2–6, 5–7Win 7–11 Oct 2024GB Pro-Series Glasgow, UKW75 Hard (i) Mariam Bolkvadze 6–4, 6–2Win 8–11 Sep 2025Lisboa Belém Open, PortugalW100 Clay Darja Semeņistaja 6–2, 6–1
Doubles: 10 (4 titles, 6 runner-ups) LegendW100 tournaments (0–1)W60/75 tournaments (1–2)W25 tournaments (1–1)W15 tournaments (2–2)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Sep 2016ITF Sion, Switzerland10k Clay Leonie Küng Emily Arbuthnott Karin Kennel 2–6, 1–6Loss 0–2 Dec 2018ITF Ortisei, Italy15k Hard (i) Verena Hofer Veronika Erjavec Kristina Novak 4–6, 5–7Win 1–2 Apr 2019ITF Cairo, EgyptW15 Clay Despina Papamichail Mayar Sherif Rana Sherif Ahmed 6–3, 6–2Win 2–2 May 2019ITF Cairo, EgyptW15 Clay Alica Rusová Seone Mendez Charlotte Römer 7–5, 0–6, [10–6]Win 3–2 Sep 2019Verbier Open, SwitzerlandW25 Clay Xenia Knoll İpek Soylu Kathinka von Deichmann 6–4, 6–3Loss 3–3 Feb 2022ITF Sharm El Sheikh, EgyptW25 Hard Irina Fetecău Isabelle Haverlag Justina Mikulskytė 1–6, 2–6Loss 3–4 Feb 2022AK Ladies Open, GermanyW60 Carpet (i) Susan Bandecchi Mariam Bolkvadze Samantha Murray Sharan 3–6, 5–7Win 4–4 Aug 2022Bronx Open, United States W60 Hard Anna Blinkova Han Na-lae Hiroko Kuwata 6–3, 6–3Loss 4–5 Apr 2024Chiasso Open, SwitzerlandW75 Clay Despina Papamichail Lena Papadakis Emily Appleton 6–4, 4–6, [6–10]Loss 4–6 Aug 2025Landisville Tennis Challenge, United States W100 Hard Ingrid Martins Carmen Corley Ivana Corley 6–4, 6–7(4), [10–12]
Wins against top 10 players Waltert has a record against players who were, at the time the match was played, ranked in the top 10.
No.Player EventSurfaceScoreYears1 Danielle Collins7 Ladies Open LausanneClay1R 6–7(5–7), 6–3, 7–6(8–6) 1542022
References
External links