Simona Waltert

Simona Waltert (born 13 December 2000) is a Swiss professional tennis player. She has a career-high WTA singles ranking of world No. 97, achieved on 13 October 2025 and a doubles ranking of No. 89 achieved on 15 September 2025. To date, she has won one WTA 125 singles title, 1 doubles title on the WTA Tour, and five WTA 125 doubles titles.

Simona Waltert

Waltert at the 2024 Wimbledon Championships
Country (sports)	Switzerland
Born	(2000-12-13) 13 December 2000 (age 24) Chur, Switzerland
Height	1.74 m (5 ft 9 in)
Plays	Right (two-handed backhand)
Coach	Stéphane Bohli (2019-)
Prize money	US $896,961
Singles
Career record	271–186
Career titles	8 ITF
Highest ranking	No. 88 (20 October 2025)
Current ranking	No. 97 (13 October 2025)
Grand Slam singles results
Australian Open	Q3 (2023, 2024)
French Open	2R (2023)
Wimbledon	1R (2023)
US Open	Q2 (2022, 2023, 2024, 2025)
Doubles
Career record	84–52
Career titles	1
Highest ranking	No. 89 (15 September 2025)
Current ranking	No. 91 (6 October 2025)
Team competitions
Fed Cup	W (2022) Record: 0–1
Last updated on: 14 October 2025.

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.^[1]

2019-2023: WTA Tour and major debuts, Lausanne 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.^[2]

She won her first doubles title at the 2021 Ladies Open Lausanne, partnering Susan Bandecchi.^[3]

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.^[4][5][6] 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.^[7][8] She won the 2022 Bronx Open in doubles with partner Anna Blinkova.^[9]

Waltert made her Grand Slam debut at the 2023 French Open^[10] and won her first match defeating Elizabeth Mandlik,^[11][12] before losing in the second round to Elisabetta Cocciaretto.^[13] As a result, she reached a new career-high ranking of No. 107 on 12 June 2023.^[14][15]

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 Nestlé Open, losing to Quinn Gleason and Ingrid Martins in the final which went to a deciding champions tiebreak.^[16]

She reached the top 100 on 6 October 2025, following reaching her first WTA 125 singles final at the 2025 Zavarovalnica Sava Ljubljana, Slovenia and the quarterfinals in Rende, Province of Cosenza, Calabria,^[17] as well as winning her first and biggest ITF W100 title in Lisbon.^[18][14][15]

Waltert won her first WTA 125 singles title at the 2025 Rio Ladies Open, defeating Alice Ramé in the final.^[19]

Performance timeline

Key

W

F

SF

QF

#R

RR

Q#

DNQ

A

NH

(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.

To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.

Only main-draw results in WTA Tour (incl. Grand Slam tournaments) are included in win–loss records.^[20]

Singles

Current through the 2025 French Open.

Tournament	2019	2020	2021	2022	2023	2024	2025	SR	W–L
Grand Slam tournaments
Australian Open	A	A	A	Q2	Q3	Q3	Q1	0 / 0	0–0
French Open	A	A	A	Q2	2R	Q1	Q3	0 / 1	1–1
Wimbledon	A	A	Q2	Q1	1R	Q2	Q1	0 / 1	0–1
US Open	A	A	A	Q2	Q2	Q2	Q2	0 / 0	0–0
Win–loss	0–0	0–0	0–0	0–0	1–2	0–0	0–0	0 / 2	1–2
WTA 1000
Indian Wells Open	A	A	A	A	Q1	A	A	0 / 0	0–0
Career statistics
Tournaments	1	0	1	2	2	3		9
Overall win–loss	1–1	0–0	0–1	3–2	1–2	1–3		6–9
Year-end ranking	295	297	217	120	166	175		40%

WTA Tour finals

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

Legend Grand Slam WTA 1000 WTA 500 WTA 250

Finals by surface Hard (0–0) Clay (1–1) Grass (0–0)

Finals by setting Outdoor (1–1) Indoor (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2021	Ladies Open Lausanne, Switzerland	WTA 250	Clay	Susan Bandecchi	Ulrikke Eikeri Valentini Grammatikopoulou	6–3, 6–7(3–7), [10–5]
Loss	1–1	Jul 2025	Iași Open, Romania	WTA 250	Clay	María Lourdes Carlé	Veronika Erjavec Panna Udvardy	5–7, 3–6

WTA Challenger finals

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

Result	W–L	Date	Tournament	Surface	Opponent	Score
Loss	0–1	Sep 2025	WTA 125 Ljubljana, Slovenia	Clay	Kaja Juvan	4–6, 4–6
Win	1–1	Oct 2025	WTA 125 Rio de Janeiro, Brazil	Clay	Alice Ramé	7–5, 6–2

Doubles: 6 (5 titles, 1 runner-up)

Result	W–L	Date	Tournament	Surface	Partner	Opponents	Score
Loss	0–1	Sep 2024	WTA 125 Montreux, Switzerland	Clay	María Lourdes Carlé	Quinn Gleason Ingrid Martins	3–6, 6–4, [7–10]
Win	1–1	Mar 2025	WTA 125 Antalya, Turkey	Clay	María Lourdes Carlé	Maja Chwalińska Anastasia Dețiuc	3–6, 7–5, [10–3]
Win	2–1	Mar 2025	WTA 125 Antalya, Turkey	Clay	Anna Bondár	Alicia Barnett Elixane Lechemia	7–5, 2–6, [10–6]
Win	3–1	Jun 2025	WTA 125 Ilkley, United Kingdom	Grass	Isabelle Haverlag	Vitalia Diatchenko Eden Silva	6–1, 6–1
Win	4–1	Sep 2025	WTA 125 Montreux, Switzerland	Clay	Oksana Selekhmeteva	Arantxa Rus Anca Todoni	6–4, 6–1
Win	5–1	Sep 2025	WTA 125 Ljubljana, Slovenia	Clay	Miriam Škoch	Dalila Jakupović Nika Radišić	6–2, 6–2

ITF Circuit finals

Singles: 19 (8 titles, 11 runner–ups)

Legend W100 tournaments (1–0) W80 tournaments (0–1) W60/75 tournaments (2–2) W25 tournaments (0–3) W15 tournaments (5–5)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Jun 2017	ITF Lenzerheide, Switzerland	25,000	Clay	Georgia Brescia	6–0, 4–6, 6–7(1)
Loss	0–2	Nov 2017	ITF Oslo, Norway	15,000	Hard (i)	Leonie Küng	4–6, 4–6
Win	1–2	Mar 2018	ITF Mâcon, France	15,000	Hard (i)	Tess Sugnaux	6–4, 3–6, 6–3
Loss	1–3	May 2018	ITF San Severo, Italy	15,000	Clay	Despina Papamichail	1–6, 2–6
Win	2–3	Dec 2018	ITF Ortisei, Italy	15,000	Hard (i)	Joanna Garland	6–4, 6–2
Loss	2–4	Jan 2019	ITF Sharm El Sheikh, Egypt	W15	Hard	Magali Kempen	7–5, 3–6, 3–6
Win	3–4	Feb 2019	ITF Sharm El Sheikh, Egypt	W15	Hard	Oona Orpana	6–1, 6–3
Loss	3–5	Feb 2019	ITF Sharm El Sheikh, Egypt	W15	Hard	Mayar Sherif	4–6, 6–1, 3–6
Win	4–5	Apr 2019	ITF Cairo, Egypt	W15	Clay	Melanie Klaffner	7–6(6), 7–5
Loss	4–6	May 2019	ITF Cairo, Egypt	W15	Clay	Mayar Sherif	2–6, 1–6
Loss	4–7	Jul 2019	ITF Horb, Germany	W25	Clay	Lea Bošković	4–6, 6–0, 1–6
Win	5–7	Jan 2021	ITF Manacor, Spain	W15	Clay	Yvonne Cavallé Reimers	6–2, 7–6(4)
Loss	5–8	Feb 2021	ITF Altenkirchen, Germany	W25	Carpet (i)	Clara Tauson	6–3, 1–6, 3–6
Loss	5–9	Oct 2021	ITF Poitiers, France	W80	Hard (i)	Chloé Paquet	4–6, 3–6
Loss	5–10	Apr 2022	ITF Chiasso, Switzerland	W60	Clay	Lucia Bronzetti	6–2, 3–6, 3–6
Win	6–10	Jul 2022	ITF Amstelveen, Netherlands	W60	Clay	Emma Navarro	7–6(10), 6–0
Loss	6–11	Feb 2023	ITF Grenoble, France	W60	Hard (i)	Océane Dodin	2–6, 5–7
Win	7–11	Oct 2024	ITF Glasgow, United Kingdom	W75	Hard (i)	Mariam Bolkvadze	6–4, 6–2
Win	8–11	Sep 2025	ITF Lisbon, Portugal	W100	Clay	Darja Semeņistaja	6–2, 6–1

Doubles: 10 (4 titles, 6 runner–ups)

Legend $100,000 tournaments (0–1) $60,000 tournaments (1–2) $25,000 tournaments (1–1) $10/15,000 tournaments (2–2)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Sep 2016	ITF Sion, Switzerland	10,000	Clay	Leonie Küng	Emily Arbuthnott Karin Kennel	2–6, 1–6
Loss	0–2	Dec 2018	ITF Ortisei, Italy	15,000	Hard (i)	Verena Hofer	Veronika Erjavec Kristina Novak	4–6, 5–7
Win	1–2	Apr 2019	ITF Cairo, Egypt	15,000	Clay	Despina Papamichail	Mayar Sherif Rana Sherif Ahmed	6–3, 6–2
Win	2–2	May 2019	ITF Cairo, Egypt	15,000	Clay	Alica Rusová	Seone Mendez Charlotte Römer	7–5, 0–6, [10–6]
Win	3–2	Sep 2019	ITF Verbier, Switzerland	25,000	Clay	Xenia Knoll	İpek Soylu Kathinka von Deichmann	6–4, 6–3
Loss	3–3	Feb 2022	ITF Sharm El Sheikh, Egypt	25,000	Hard	Irina Fetecău	Isabelle Haverlag Justina Mikulskytė	1–6, 2–6
Loss	3–4	Feb 2022	ITF Altenkirchen, Germany	60,000	Carpet (i)	Susan Bandecchi	Mariam Bolkvadze Samantha Murray Sharan	3–6, 5–7
Win	4–4	Aug 2022	ITF Bronx, United States	60,000	Hard	Anna Blinkova	Han Na-lae Hiroko Kuwata	6–3, 6–3
Loss	4–5	Apr 2024	ITF Chiasso, Switzerland	75,000	Clay	Despina Papamichail	Lena Papadakis Emily Appleton	6–4, 4–6, [6–10]
Loss	4–6	Aug 2025	ITF Landisville, United States	100,000	Hard	Ingrid Martins	Carmen Corley Ivana Corley	6–4, 6–7(4–7), [10–12]

Head-to-head record

Record against top 10 players

Waltert's match record against players who have been ranked in the top 10.^[21]

• Danielle Collins 1–0
• Julia Görges 1–0

* As of 12 July 2022^[update]

Wins over top-10 players

#	Player	Rank	Event	Surface	Rd	Score	SW Rank
2022
1.	Danielle Collins	No. 7	Ladies Open Lausanne	Clay	1R	6–7(5–7), 6–3, 7–6(8–6)	No. 154