{{short description|Swiss tennis player (born 2000)}} {{Infobox tennis biography | name = Simona Waltert | fullname = | image = Simona Waltert, Roma 2026 (cropped).jpg | caption = Waltert at the 2026 Italian Open | country = {{SUI}} | birth_date = {{birth date and age|2000|12|13|df=yes}} | residence = | birth_place = Chur, Switzerland | height = 1.74 m | plays = Right (two-handed backhand) | coach = Stéphane Bohli (2019-) | careerprizemoney = US$ 1,206,597 | singlesrecord = {{tennis record|won=304|lost=204}} | singlestitles = 0 WTA, 8 ITF | highestsinglesranking = No. 81 (9 February 2026) | currentsinglesranking = No. 91 (4 May 2026) | AustralianOpenresult = 1R (2026) | FrenchOpenresult = 2R (2023) | Wimbledonresult = 1R (2023) | USOpenresult = Q2 (2022, 2023, 2024, 2025) | doublesrecord = {{tennis record|won=96|lost=57}} | doublestitles = 1 | highestdoublesranking = No. 87 (2 February 2026) | currentdoublesranking = No. 121 (20 April 2026) | AustralianOpenDoublesresult = 1R (2026) | Team = yes | FedCupresult = '''W''' (2022) <br /><small>Record: {{tennis record|won=0|lost=1}}</small> | updated = 2 May 2026 }}
'''Simona Waltert''' (born 13 December 2000) is a Swiss professional tennis player. She has a career-high WTA singles ranking of world No. 88, achieved on 20 October 2025, and a doubles ranking of No. 88, achieved on 27 October 2025. To date, she has won one doubles title on the WTA Tour, one singles and five WTA 125 doubles titles.
==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.<ref>[https://www.itftennis.com/en/players/simona-waltert/800375444/sui/jt/s/overview/ Simona Waltert ITF Juniors Overview ]</ref>
===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.<ref>{{cite web|url=https://www.suedostschweiz.ch/sport/mehr-sport/2019-07-15/simona-waltert-mit-wildcard-in-lausanne|website=www.suedostschwiez.ch|language=German|title=Simona Waltert mit Wildcard in Lausanne |date=15 July 2019 }}</ref>
She won her first WTA Tour doubles title at the 2021 Ladies Open Lausanne, partnering Susan Bandecchi.<ref>{{cite web|url=https://www.wtatennis.com/news/2192278/zidansek-battles-past-burel-in-lausanne-to-win-first-title|title=Zidansek battles past Burel in Lausanne to win first title|publisher=Women's Tennis Association|accessdate=25 October 2024}}</ref>
[[File:Waltert RGQ22 (19) (52130012205).jpg|thumb|upright|Waltert at the 2022 French Open]] 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.<ref>{{cite web | url=https://www.tennismajors.com/wta-tour-news/lausanne-open-waltert-books-spot-in-second-round-612261.html | title=Tennis, WTA – Lausanne Open 2022: Waltert downs Collins|publisher=Tennis Majors | date=12 July 2022 }}</ref><ref>{{cite web | url=https://www.wtatennis.com/videos/2675948/lausanne-waltert-saves-3-mps-upsets-collins-for-1st-top-10-win | title=Lausanne: Waltert saves 3 MPS, upsets Collins for 1st Top 10 win|publisher=Women's Tennis Association }}</ref><ref>{{cite web | url=https://uk.sports.yahoo.com/news/collins-stunned-home-hope-waltert-200114947.html | title=Collins stunned by home hope Waltert as Bencic bounces back in Lausanne|publisher=Yahoo | date=12 July 2022 }}</ref> 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.<ref>{{cite web | url=https://www.wtatennis.com/videos/2676859/lausanne-wildcard-waltert-beats-bucsa-in-3-sets-to-make-1st-wta-qf | title=Lausanne: Wildcard Waltert beats Bucsa in 3 sets to make 1st WTA QF|publisher=Women's Tennis Association }}</ref><ref>{{cite web | url=https://www.tennis.com/baseline/articles/beginner-s-guide-simona-waltert-breathes-life-into-lausanne-with-breakout-run | title=Beginner's Guide: Simona Waltert breathes life into Lausanne with breakout run|publisher=tennis.com }}</ref> She won the 2022 Bronx Open in doubles with partner Anna Blinkova.<ref> {{cite web|url=https://newyorktennismagazine.com/article/rakhimova-wins-2022-nyjtl-bronx-open-title/|title=Rakhimova Wins 2022 NYJTL Bronx Open Title |date=22 August 2025}}</ref>
Waltert made her Grand Slam debut at the 2023 French Open<ref>{{cite web | url=https://www.wtatennis.com/news/3489256/roland-garros-2023-s-grand-slam-debuts-mirra-andreeva-shymanovich-waltert | title=Roland Garros 2023's Grand Slam debuts: Mirra Andreeva, Shymanovich, Waltert|publisher=Women's Tennis Association }}</ref> and won her first match defeating Elizabeth Mandlik,<ref> {{cite web|url=https://www.letemps.ch/sport/tennis/simona-waltert-sang-neuf-rolandgarros|title= Simona Waltert, du sang neuf à Roland-Garros |language=fr|date=1 June 2023}}</ref><ref>{{cite web|url=https://www.tennismajors.com/roland-garros-news/roland-garros-waltert-moves-into-second-round-684031.html|title=Roland-Garros: Waltert beats Mandlik in battle of the qualifiers, into second round|date=29 May 2023 |publisher=Tennis Majors|accessdate=25 October 2024}}</ref> before losing in the second round to Elisabetta Cocciaretto.<ref>{{cite web|url=https://www.tennismajors.com/roland-garros-news/roland-garros-cocciaretto-makes-third-round-685174.html|title=Roland-Garros: Cocciaretto makes third round|date=June 2023 |publisher=Tennis Majors|accessdate=25 October 2024}}</ref> As a result, she reached a new career-high ranking of No. 107 on 12 June 2023.<ref name=SW_Rankings /><ref name=Top100 />
===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.<ref>{{cite web|url=https://www.wtatennis.com/news/4109391/watch-begu-takes-traditional-lake-plunge-after-winning-montreux-wta-125|title=Begu takes traditional lake plunge after winning Montreux WTA 125|work=Women's Tennis Association |accessdate=28 October 2024}}</ref>
She reached the top 100 on 6 October 2025, following her first WTA 125 singles final at the 2025 Zavarovalnica Sava Ljubljana in Slovenia and the quarterfinals in Rende, Calabria,<ref> {{cite web|url=https://www.bluewin.ch/en/sport/simona-waltert-in-the-top-100-for-the-first-time-2902979.html |title= Simona Waltert in the top 100 for the first time|publisher=Bluewin|date=6 October 2025}}</ref> as well as winning her first and biggest ITF W100 title in Lisbon.<ref> {{cite web|url=https://www.itftennis.com/en/news-and-media/articles/waltert-wins-biggest-title-yet-at-w100-lisboa/|title=Waltert wins biggest title yet at W100 Lisboa |date=29 September 2025}}</ref><ref name=SW_Rankings> {{cite web|url=https://www.wtatennis.com/players/325771/-/stats|title= Simona Waltert Rankings History|accessdate=14 October 2025}} </ref><ref name=Top100>{{cite web|url= https://www.wtatennis.com/news/4376908/rankings-watch-noskova-makes-top-20-debut-lys-cracks-top-50| title= Rankings watch: Noskova makes Top 20 debut, Lys cracks Top 50 |date=6 October 2025|accessdate=14 October 2025}} </ref>
Waltert won her first WTA 125 singles title at the 2025 Rio Ladies Open, defeating Alice Ramé in the final.<ref>{{cite web|url=https://www.bluewin.ch/en/sport/simona-waltert-wins-first-challenger-tournament-2923467.html|title=Simona Waltert wins first Challenger tournament|publisher=Blue News|accessdate=20 October 2025}}</ref>
==Performance timeline== {{Performance key|short=yes}} ''Only main-draw results in WTA Tour (incl. Grand Slam tournaments) are included in win–loss records.''<ref name="wta-profile">{{cite web | url=https://www.wtatennis.com/players/325771/simona-waltert | title=Simona Waltert | Player Stats & More – WTA Official }}</ref><!-- ref>{{Cite web|last=|first=|date=|title=Simona Waltert [SUI] | Australian Open|url=https://ausopen.com/players/poland/simona-waltert|website=ausopen.com}}</ref ACHIEVED -->
===Singles=== ''Current through the 2026 Italian Open.'' {| class="wikitable" style="text-align:center" !Tournament !2019 !2020 !2021 !2022 !2023 !2024 !2025 !2026 !SR !W–L !Win % |- | colspan="12" align="left" |'''Grand Slam tournaments''' |- | align="left" |Australian Open |A |A |A |bgcolor="f0f8ff" |Q2 |bgcolor="f0f8ff" |Q3 |bgcolor="f0f8ff" |Q3 |bgcolor="f0f8ff" |Q1 |bgcolor=afeeee|1R |0 / 1 |0–1 |{{tennis win percentage|won=0|lost=1|integer=yes}} |- | align="left" |French Open |A |A |A |bgcolor=f0f8ff|Q2 |bgcolor=afeeee|2R |bgcolor=f0f8ff|Q1 |bgcolor=f0f8ff|Q3 | |0 / 1 |1–1 |{{tennis win percentage|won=1|lost=1|integer=yes}} |- | align="left" |Wimbledon |A |A |bgcolor=f0f8ff |Q2 |bgcolor=f0f8ff |Q1 |bgcolor=afeeee |1R |bgcolor=f0f8ff |Q2 |bgcolor=f0f8ff |Q1 | |0 / 1 |0–1 |{{tennis win percentage|won=0|lost=1|integer=yes}} |- | align="left" |US Open |A |A |A |bgcolor=f0f8ff|Q2 |bgcolor=f0f8ff|Q2 |bgcolor=f0f8ff|Q2 |bgcolor=f0f8ff|Q2 | |0 / 0 |0–0 |{{tennis win percentage|won=0|lost=0|integer=yes}} |- style="background:#efefef;font-weight:bold" | align="left" |Win–loss |0–0 |0–0 |0–0 |0–0 |1–2 |0–0 |0–0 |0–1 |0 / 3 |1–3 |{{tennis win percentage|won=1|lost=3|integer=yes}} |- | colspan="12" align="left" |'''WTA 1000 tournaments''' |- |align=left|Qatar Open |A |A |A |A |A |A |A |bgcolor=f0f8ff|Q1 |0 / 0 |0–0 |{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|Indian Wells Open |A |A |A |A |bgcolor=f0f8ff|Q1 |A |A |bgcolor=f0f8ff|Q1 |0 / 0 |0–0 |{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|Miami Open |A |A |A |A |bgcolor=f0f8ff|Q1 |A |A |bgcolor=afeeee|1R |0 / 1 |0–1 |{{tennis win percentage|won=0|lost=1|integer=yes}} |- |align=left|Italian Open |A |A |A |A |bgcolor=f0f8ff|Q1 |A |A |bgcolor=afeeee|2R |0 / 1 |1–1 |{{tennis win percentage|won=1|lost=1|integer=yes}} |- | colspan="12" align="left" |'''Career statistics''' |- bgcolor="efefef" | align="left" |Tournaments |1 |0 |1 |2 |4 |4 |2 |6 | colspan="3" |'''Career total: 20''' |- style="font-weight:bold; background:#efefef;" | style="text-align:left;" |Overall win–loss |1–1 |0–0 |0–1 |3–2 |1–4 |1–4 |3–2 |1–6 |0 / 20 |10–20 |{{tennis win percentage|won=10|lost=20|integer=yes}} |- bgcolor="efefef" | align="left" |Year-end ranking |295 |297 |217 |120 |166 |175 |86 | | colspan="3" |$1,265,996 |}
==WTA Tour finals==
===Doubles: 2 (1 title, 1 runner-up)=== {| |- valign=top | {|class="wikitable" style=font-size:90% !Legend |- |WTA 250 (1–1) |} | {|class="wikitable" style=font-size:90% !Finals by surface |- |Clay (1–1) |} | {|class="wikitable" style=font-size:90% !Finals by setting |- |Outdoor (1–1) |} |}
{|class="sortable wikitable nowrap" !Result !class=unsortable|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !Opponents !class="unsortable"|Score |- |style=background:#98fb98|Win |<small>1–0</small> |{{dts|Jul 2021}} |Ladies Open Lausanne, Switzerland |WTA 250 |Clay |{{flagicon|SUI}} Susan Bandecchi |{{flagicon|NOR}} Ulrikke Eikeri<br />{{flagicon|GRE}} Valentini Grammatikopoulou |6–3, 6–7<sup>(3–7)</sup>, [10–5] |- |style=background:#ffa07a|Loss |<small>1–1</small> |{{dts|Jul 2025}} |Iași Open, Romania |WTA 250 |Clay |{{flagicon|ARG}} María Lourdes Carlé |{{flagicon|SLO}} Veronika Erjavec<br />{{flagicon|HUN}} Panna Udvardy |5–7, 3–6 |}
==WTA Challenger finals== ===Singles: 2 (1 title, 1 runner-up)=== {|class="sortable wikitable" !Result !class="unsortable"|W–L !Date !Tournament !Surface !Opponent !class="unsortable"|Score |- | bgcolor=FFA07A|Loss | <small>0–1</small> | {{dts|Sep 2025}} | bgcolor=silver|Ljubljana Open, Slovenia | Clay | {{flagicon|SLO}} Kaja Juvan | 4–6, 4–6 |- | bgcolor=#98fb98|Win | <small>1–1</small> | {{dts|Oct 2025}} | bgcolor=silver|Rio de Janeiro Open, Brazil | Clay | {{flagicon|FRA}} Alice Ramé | 7–5, 6–2 |}
===Doubles: 6 (5 titles, 1 runner-up)=== {|class="sortable wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Surface !Partner !Opponents !class="unsortable"|Score |- |style=background:#ffa07a|Loss |<small>0–1</small> |Sep 2024 |bgcolor=silver|Montreux Ladies Open, Switzerland |Clay |{{flagicon|ARG}} María Lourdes Carlé |{{flagicon|USA}} Quinn Gleason <br /> {{flagicon|BRA}} Ingrid Martins |3–6, 6–4, [7–10] |- |style=background:#98fb98|Win |<small>1–1</small> |{{dts|Mar 2025}} |bgcolor=silver|Antalya Challenger 2, Turkey |Clay |{{flagicon|ARG}} María Lourdes Carlé |{{flagicon|POL}} Maja Chwalińska <br /> {{flagicon|CZE}} Anastasia Dețiuc |3–6, 7–5, [10–3] |- |style=background:#98fb98|Win |<small>2–1</small> |{{dts|Mar 2025}} |bgcolor=silver|Antalya Challenger 3, Turkey |Clay |{{flagicon|HUN}} Anna Bondár |{{flagicon|GBR}} Alicia Barnett <br /> {{flagicon|FRA}} Elixane Lechemia |7–5, 2–6, [10–6] |- |style=background:#98fb98|Win |<small>3–1</small> |{{dts|Jun 2025}} |bgcolor=silver|Ilkley Open, United Kingdom |Grass |{{flagicon|NED}} Isabelle Haverlag |{{flagicon|RUS}} Vitalia Diatchenko <br /> {{flagicon|GBR}} Eden Silva |6–1, 6–1 |- |style="background:#98fb98;"|Win |<small>4–1</small> |Sep 2025 |style=background:silver|Montreux Ladies Open, Switzerland |Clay |{{flagicon|RUS}} Oksana Selekhmeteva |{{flagicon|NED}} Arantxa Rus <br /> {{flagicon|ROU}} Anca Todoni |6–4, 6–1 |- |style="background:#98fb98;"|Win |<small>5–1</small> |Sep 2025 |style=background:silver|Ljubljana Open, Slovenia |Clay |{{flagicon|CZE}} Miriam Škoch |{{flagicon|SLO}} Dalila Jakupović <br /> {{flagicon|SLO}} Nika Radišić |6–2, 6–2 |}
==ITF Circuit finals==
===Singles: 19 (8 titles, 11 runner-ups)=== {|class="wikitable" style=font-size:85% !Legend |- style="background:#f88379;" |W100 tournaments (1–0) |- style="background:#f7e98e;" |W80 tournaments (0–1) |- style="background:#addfad;" |W60/75 tournaments (2–2) |- style="background:lightblue;" |W25 (25K) tournaments (0–3) |- style="background:#f0f8ff;" |W15 (15K) tournaments (5–5) |}
{|class="sortable wikitable nowrap" |- !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Opponent !class="unsortable"|Score |- | style="background:#ffa07a;"|Loss | <small>0–1</small> | Jun 2017 | style="background:lightblue;"|ITF Lenzerheide, Switzerland | style="background:lightblue;"|25K | Clay | {{flagicon|ITA}} Georgia Brescia | 6–0, 4–6, 6–7<sup>(1)</sup> |- | style="background:#ffa07a;"|Loss | <small>0–2</small> | Nov 2017 | style="background:#f0f8ff;"|ITF Oslo, Norway | style="background:#f0f8ff;"|15K | Hard (i) | {{flagicon|SUI}} Leonie Küng | 4–6, 4–6 |- | style="background:#98fb98;"|Win | <small>1–2</small> | Mar 2018 | style="background:#f0f8ff;"|ITF Mâcon, France | style="background:#f0f8ff;"|15K | Hard (i) | {{flagicon|SUI}} Tess Sugnaux | 6–4, 3–6, 6–3 |- | style="background:#ffa07a;"|Loss | <small>1–3</small> | May 2018 | style="background:#f0f8ff;"|ITF San Severo, Italy | style="background:#f0f8ff;"|15K | Clay | {{flagicon|GRE}} Despina Papamichail | 1–6, 2–6 |- | style="background:#98fb98;"|Win | <small>2–3</small> | Dec 2018 | style="background:#f0f8ff;"|ITF Ortisei, Italy | style="background:#f0f8ff;"|15K | Hard (i) | {{flagicon|TPE}} Joanna Garland | 6–4, 6–2 |- | style="background:#ffa07a;"|Loss | <small>2–4</small> | Jan 2019 | style="background:#f0f8ff;"|ITF Sharm El Sheikh, Egypt | style="background:#f0f8ff;"|W15 | Hard | {{flagicon|BEL}} Magali Kempen | 7–5, 3–6, 3–6 |- | style="background:#98fb98;"|Win | <small>3–4</small> | Feb 2019 | style="background:#f0f8ff;"|ITF Sharm El Sheikh, Egypt | style="background:#f0f8ff;"|W15 | Hard | {{flagicon|FIN}} Oona Orpana | 6–1, 6–3 |- | style="background:#ffa07a;"|Loss | <small>3–5</small> | Feb 2019 | style="background:#f0f8ff;"|ITF Sharm El Sheikh, Egypt | style="background:#f0f8ff;"|W15 | Hard | {{flagicon|EGY}} Mayar Sherif | 4–6, 6–1, 3–6 |- | style="background:#98fb98;"|Win | <small>4–5</small> | Apr 2019 | style="background:#f0f8ff;"|ITF Cairo, Egypt | style="background:#f0f8ff;"|W15 | Clay | {{flagicon|AUT}} Melanie Klaffner | 7–6<sup>(6)</sup>, 7–5 |- | style="background:#ffa07a;"|Loss | <small>4–6</small> | May 2019 | style="background:#f0f8ff;"|ITF Cairo, Egypt | style="background:#f0f8ff;"|W15 | Clay | {{flagicon|EGY}} Mayar Sherif | 2–6, 1–6 |- | style="background:#ffa07a;"|Loss | <small>4–7</small> | Jul 2019 | style="background:lightblue;"|ITF Horb, Germany | style="background:lightblue;"|W25 | Clay | {{flagicon|CRO}} Lea Bošković | 4–6, 6–0, 1–6 |- | style="background:#98fb98;"|Win | <small>5–7</small> | Jan 2021 | style="background:#f0f8ff;"|ITF Manacor, Spain | style="background:#f0f8ff;"|W15 | Clay | {{flagicon|ESP}} Yvonne Cavallé Reimers | 6–2, 7–6<sup>(4)</sup> |- | style="background:#ffa07a;"|Loss | <small>5–8</small> | Feb 2021 | style="background:lightblue;"|AK Ladies Open, Germany | style="background:lightblue;"|W25 | Carpet (i) | {{flagicon|DEN}} Clara Tauson | 6–3, 1–6, 3–6 |- | style="background:#ffa07a;"|Loss | <small>5–9</small> | Oct 2021 | style="background:#f7e98e;"|Internationaux de Poitiers, France | style="background:#f7e98e;"|W80 | Hard (i) | {{flagicon|FRA}} Chloé Paquet | 4–6, 3–6 |- | style="background:#ffa07a;"|Loss | <small>5–10</small> | Apr 2022 | style="background:#addfad;"|Chiasso Open, Switzerland | style="background:#addfad;"|W60 | Clay | {{flagicon|ITA}} Lucia Bronzetti | 6–2, 3–6, 3–6 |- | style="background:#98fb98;"|Win | <small>6–10</small> | Jul 2022 | style="background:#addfad;"|Amstelveen Open, Netherlands | style="background:#addfad;"|W60 | Clay | {{flagicon|USA}} Emma Navarro | 7–6<sup>(10)</sup>, 6–0 |- | style="background:#ffa07a;"|Loss | <small>6–11</small> | Feb 2023 | style="background:#addfad;"|Open de Grenoble, France | style="background:#addfad;"|W60 | Hard (i) | {{flagicon|FRA}} Océane Dodin | 2–6, 5–7 |- | style="background:#98fb98;"|Win | <small>7–11</small> | Oct 2024 | style="background:#addfad;"|GB Pro-Series Glasgow, United Kingdom | style="background:#addfad;"|W75 | Hard (i) | {{flagicon|GEO}} Mariam Bolkvadze | 6–4, 6–2 |- | style="background:#98fb98;"|Win | <small>8–11</small> | Sep 2025 | style="background:#f88379;"|Lisboa Belém Open, Portugal | style="background:#f88379;"|W100 | Clay | {{flagicon|LAT}} Darja Semeņistaja | 6–2, 6–1 |}
===Doubles: 10 (4 titles, 6 runner-ups)=== {| |- valign=top | {|class="wikitable" style=font-size:85% ! Legend |- style="background:#f88379;" |W100 tournaments (0–1) |- style="background:#addfad;" |W60/75 tournaments (1–2) |- style="background:lightblue;" |W25 tournaments (1–1) |- style="background:#f0f8ff;" |W15 (10/15K) tournaments (2–2) |} | |}
{|class="sortable wikitable" |- !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !Opponents !class="unsortable"|Score |- | style="background:#FFA07A;"|Loss | <small>0–1</small> | Sep 2016 | bgcolor=#f0f8ff|ITF Sion, Switzerland | bgcolor=#f0f8ff|10K | Clay | {{flagicon|SUI}} Leonie Küng | {{flagicon|GBR}} Emily Arbuthnott <br /> {{flagicon|SUI}} Karin Kennel | 2–6, 1–6 |- | style="background:#FFA07A;"|Loss | <small>0–2</small> | Dec 2018 | bgcolor=#f0f8ff|ITF Ortisei, Italy | bgcolor=#f0f8ff|15K | Hard (i) | {{flagicon|ITA}} Verena Hofer | {{flagicon|SLO}} Veronika Erjavec <br /> {{flagicon|SLO}} Kristina Novak | 4–6, 5–7 |- | style="background:#98fb98;"|Win | <small>1–2</small> | Apr 2019 | bgcolor=#f0f8ff|ITF Cairo, Egypt | bgcolor=#f0f8ff|W15 | Clay | {{flagicon|GRE}} Despina Papamichail | {{flagicon|EGY}} Mayar Sherif <br /> {{flagicon|EGY}} Rana Sherif Ahmed | 6–3, 6–2 |- | style="background:#98fb98;"|Win | <small>2–2</small> | May 2019 | bgcolor=#f0f8ff|ITF Cairo, Egypt | bgcolor=#f0f8ff|W15 | Clay | {{flagicon|SVK}} Alica Rusová | {{flagicon|AUS}} Seone Mendez <br /> {{flagicon|ECU}} Charlotte Römer | 7–5, 0–6, [10–6] |- | style="background:#98fb98;"|Win | <small>3–2</small> | Sep 2019 | style="background:lightblue;"|Verbier Open, Switzerland | style="background:lightblue;"|W25 | Clay | {{flagicon|SUI}} Xenia Knoll | {{flagicon|TUR}} İpek Soylu <br /> {{flagicon|LIE}} Kathinka von Deichmann | 6–4, 6–3 |- | style="background:#FFA07A;"|Loss | <small>3–3</small> | Feb 2022 | style="background:lightblue;"|ITF Sharm El Sheikh, Egypt | style="background:lightblue;"|W25 | Hard | {{flagicon|ROU}} Irina Fetecău | {{flagicon|NED}} Isabelle Haverlag <br /> {{flagicon|LTU}} Justina Mikulskytė | 1–6, 2–6 |- | style="background:#ffa07a;"|Loss | <small>3–4</small> | Feb 2022 | bgcolor=addfad|AK Ladies Open, Germany | bgcolor=addfad|W60 | Carpet (i) | {{flagicon|SUI}} Susan Bandecchi | {{flagicon|GEO}} Mariam Bolkvadze <br /> {{flagicon|GBR}} Samantha Murray Sharan | 3–6, 5–7 |- | style="background:#98fb98;"|Win | <small>4–4</small> | Aug 2022 | bgcolor=addfad|Bronx Open, United States | bgcolor=addfad|W60 | Hard | {{flagicon|RUS}} Anna Blinkova | {{flagicon|KOR}} Han Na-lae <br /> {{flagicon|JPN}} Hiroko Kuwata | 6–3, 6–3 |- | style="background:#FFA07A;"|Loss | <small>4–5</small> | Apr 2024 | bgcolor=addfad|ITF Chiasso, Switzerland | bgcolor=addfad|W75 | Clay | {{flagicon|GRE}} Despina Papamichail | {{flagicon|GER}} Lena Papadakis <br /> {{flagicon|GBR}} Emily Appleton | 6–4, 4–6, [6–10] |- | style="background:#FFA07A;"|Loss | <small>4–6</small> | Aug 2025 | style="background:#f88379;"|Landisville Tennis Challenge, United States | style="background:#f88379;"|W100 | Hard | {{flagicon|BRA}} Ingrid Martins | {{flagicon|USA}} Carmen Corley <br /> {{flagicon|USA}} Ivana Corley | 6–4, 6–7<sup>(4)</sup>, [10–12] |}
== Wins against top 10 players == * Waltert has a {{tennis record|won=1|lost=2}} record against players who were, at the time the match was played, ranked in the top 10.<ref>{{Cite web |title=Simona Waltert vs Top 10 |url=https://www.tennisabstract.com/cgi-bin/wplayer-classic.cgi?p=SimonaWaltert&f=ACareerqqITop_10qq |access-date=19 March 2026 |publisher=Tennis Abstract}}</ref>
{{mw-datatable}}{{sort under}} {{sticky table start}} {| class="wikitable mw-datatable plainrowheaders sortable sort-under-center sticky-table-row1 sticky-table-col2" |- ! scope="col" |No. ! scope="col" |Player ! scope="col" | {{abbr|Rk|Opponent Rank}} ! scope="col" |Event ! scope="col" |Surface ! scope="col" class=unsortable|{{abbr|Rd|Round}} ! scope="col" class=unsortable|Score ! scope="col" class=unsortable|{{abbr|Rk|Simona Waltert Rank}} ! scope="col" class=unsortable|Years ! scope="col" class=unsortable|{{abbr|Ref|Reference}} |- !scope="row"|1 | {{flagicon|USA}} Danielle Collins |style=background:#eee8aa|7 | Ladies Open Lausanne |style=background:#ebc2af|Clay |style=background:#afeeee|1R | 6–7<sup>(5–7)</sup>, 6–3, 7–6<sup>(8–6)</sup> | 154 |2022 | |} {{sticky table end}} {{Top10 key}}
==References== {{reflist}}
==External links== * {{WTA}} * {{ITF}} * {{Billie Jean King Cup player|new_id=da7eca78-1e17-4955-9cb2-c2cf5380200e|id=800375444}} * {{Wimbledon player}} * {{ESPN Tennis}}
{{Top Swiss female tennis players}} {{Top Swiss female tennis players (doubles)}}
{{DEFAULTSORT:Waltert, Simona}} Category:2000 births Category:Living people Category:Swiss female tennis players Category:Sportspeople from Chur Category:21st-century Swiss sportswomen