Simona Waltert
Simona Waltert is a Swiss tennis player.
Waltert has a career-high WTA singles ranking of 275, achieved on 25 November 2019. She also has a career -high WTA doubles ranking of 379, also achieved on 16 March 2020. She has won four ITF singles titles and two ITF doubles titles.
On the juniors tour, Waltert had a career high ranking of 9, achieved on 22 January 2018. She was a semifinalist at the 2017 Wimbledon Championships girl's singles, where she lost to Ann Li.
Waltert made her WTA main draw debut at the 2019 Ladies Open Lausanne, where she received a wildcard in the singles and doubles main draws.
ITF Circuit finals
Singles: 11 (4 titles, 7 runner–ups)
| 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 |
| Loss | 0–2 | Nov 2017 | ITF Oslo, Norway | 15,000 | Hard |  Leonie Küng | 4–6, 4–6 |
| Win | 1–2 | Mar 2018 | ITF Mâcon, France | 15,000 | Hard | 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 Urtijëi, Italy | 15,000 | Hard |  Johanna 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, Egypt | 15,000 | Hard |  Oona Orpana | 6–1, 6–3 |
| Loss | 3–5 | Feb 2019 | ITF Sharm El Sheikh, Egypt | 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, 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 |
Doubles: 4 (2 titles, 2 runner–ups)
| 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 Urtijëi, Italy | 15,000 | Hard | 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 |
| Win | 3–2 | Sep 2019 | ITF Verbier, Switzerland | 25,000 | Clay | Xenia Knoll |  İpek Soylu  Kathinka von Deichmann | 6–4, 6–3 |