# Simona Waltert

Simona Waltert (born 13 December 2000) is a Swiss tennis player.
Waltert has career-high WTA rankings of 107 in singles, achieved on 12 June 2023, and 180 in doubles, reached on 7 March 2022. To date, she has won one doubles title on the WTA Tour, and six singles and four doubles titles at tournaments on the ITF Circuit.

## Career
### Junior years

She 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.

### WTA Tour

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 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.
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.

## Performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
Only main-draw results in WTA Tour (incl. Grand Slam tournaments) are included in win–loss records.

### Singles

Current through the 2024 French Open.
| Tournament | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L |
| Grand Slam tournaments ||||||||
| Australian Open | A | A | A | Q2 | Q3 | Q3 | 0 / 0 | 0–0 |
| French Open | A | A | A | Q2 | 2R | Q1 | 0 / 1 | 1–1 |
| Wimbledon | A | A | Q2 | Q1 | 1R | Q2 | 0 / 1 | 0–1 |
| US Open | A | A | A | Q2 | Q2 | Q2 | 0 / 0 | 0–0 |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 1–2 | 0–0 | 0 / 2 | 1–2 |
| WTA 1000 ||||||||
| Indian Wells Open | | | | | Q1 | A | 0 / 0 | 0–0 |
| Career statistics ||||||||
| Tournaments | 1 | 0 | 1 | 2 | 2 | | 5 | 5 |
| Overall win–loss | 1–1 | 0–0 | 0–1 | 3–2 | 1–2 | | 5–6 | 5–6 |
| Year-end ranking | 295 | 297 | 217 | 120 | 166 | | 45% | 45% |

## WTA Tour finals
### Doubles: 1 (title)

* Legend
* Grand Slam
* WTA 1000
* WTA 500
* WTA 250 (1–0)
* Finals by surface
* Hard (0–0)
* Grass (0–0)
* Clay (1–0)
* Carpet (0–0)
| Result | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | Jul 2021 | Ladies Open Lausanne, Switzerland | WTA 250 | Clay | Susan Bandecchi | Ulrikke Eikeri Valentini Grammatikopoulou | 6–3, 6–7$^{(3–7)}$, [10–5] |

## WTA Challenger finals
### Doubles: 1 (runner-up)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Sep 2024 | Montreux Ladies Open, Switzerland | Clay | María Lourdes Carlé | Quinn Gleason Ingrid Martins | 3–6, 6–4, [7–10] |

## ITF Circuit finals
### Singles: 18 (7 titles, 11 runner–ups)

* Legend
* $80,000 tournaments (0–1)
* $60,000 tournaments (2–2)
* $25,000 tournaments (0–3)
* $15,000 tournaments (5–5)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Jun 2017 | ITF Lenzerheide, Switzerland | 25,000 | Clay | Georgia Brescia | 6–0, 4–6, 6–7$^{(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 | 15,000 | Hard | Magali Kempen | 7–5, 3–6, 3–6 |
| Win | 3–4 | Feb 2019 | ITF Sharm El Sheikh | 15,000 | Hard | Oona Orpana | 6–1, 6–3 |
| Loss | 3–5 | Feb 2019 | ITF Sharm El Sheikh | 15,000 | Hard | Mayar Sherif | 4–6, 6–1, 3–6 |
| Win | 4–5 | Apr 2019 | ITF Cairo, Egypt | 15,000 | Clay | Melanie Klaffner | 7–6$^{(6)}$, 7–5 |
| Loss | 4–6 | May 2019 | ITF Cairo, Egypt | 15,000 | Clay | Mayar Sherif | 2–6, 1–6 |
| Loss | 4–7 | Jul 2019 | ITF Horb, Germany | 25,000 | Clay | Lea Bošković | 4–6, 6–0, 1–6 |
| Win | 5–7 | Jan 2021 | ITF Manacor, Spain | 15,000 | Clay | Yvonne Cavallé Reimers | 6–2, 7–6$^{(4)}$ |
| Loss | 5–8 | Feb 2021 | AK Ladies Open, Germany | 25,000 | Carpet (i) | Clara Tauson | 6–3, 1–6, 3–6 |
| Loss | 5–9 | Oct 2021 | ITF Poitiers, France | 80,000 | Hard (i) | Chloé Paquet | 4–6, 3–6 |
| Loss | 5–10 | Apr 2022 | Chiasso Open, Switzerland | 60,000 | Clay | Lucia Bronzetti | 6–2, 3–6, 3–6 |
| Win | 6–10 | Jul 2022 | Amstelveen Open, Netherlands | 60,000 | Clay | Emma Navarro | 7–6$^{(10)}$, 6–0 |
| Loss | 6–11 | Feb 2023 | Open de l'Isère, France | 60,000 | Hard (i) | Océane Dodin | 2–6, 5–7 |
| Win | 7–11 | Oct 2024 | GB Pro-Series Glasgow, United Kingdom | W75 | Hard (i) | Mariam Bolkvadze | 6–4, 6–2 |

### Doubles: 8 (4 titles, 4 runner–ups)

* Legend
* $60,000 tournaments (1–1)
* $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 | Verbier Open, 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 | AK Ladies Open, Germany | 60,000 | Carpet (i) | Susan Bandecchi | Mariam Bolkvadze Samantha Murray Sharan | 3–6, 5–7 |
| Win | 4–4 | Aug 2022 | Bronx Open, United States | 60,000 | Hard | Anna Blinkova | Han Na-lae Hiroko Kuwata | 6–3, 6–3 |

## Head-to-head record
### Record against top 10 players

Waltert's match record against players who have been ranked in the top 10.
* Danielle Collins 1–0
* Julia Görges 1–0
    * As of 12 July 2022

### 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 |