Susan Bandecchi (born 1 July 1998) is a Swiss tennis player.^[1] She reached a career-high singles ranking of world No. 164 on 7 March 2022, and her best doubles ranking of No. 141 on 11 July 2022.

She started playing tennis at the age of five. Since 2013, she has played on the professional tour, mainly at ITF Circuit tournaments. In 2017, she won her first ITF doubles tournament in Caslano, Switzerland, partnering her compatriot Lisa Sabino.

In November 2019, Bandecchi made her WTA Tour debut at the Taipei tournament, where she participated in both singles and doubles.^{[citation needed]}

In 2020, Bandecchi won the ITF tournament in Lousada, Portugal, in singles, beating Dutch player Arianne Hartono in the final.^{[citation needed]} Together with Lara Salden from Belgium, she also won the doubles title in Lousada.^[2][3]

She won her first doubles title at the Ladies Open Lausanne, partnered with Simona Waltert.^[4]

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2021	Ladies Open Lausanne, Switzerland	WTA 250	Clay	Simona Waltert	Ulrikke Eikeri Valentini Grammatikopoulou	6–3, 6–7(3), [10–5]

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Sep 2017	ITF Sion, Switzerland	15,000	Clay	Kristina Milenkovic	6–2, 6–3
Loss	1–1	Dec 2017	ITF Jablonec Nad Nisou, Czech Republic	15,000	Carpet (i)	Miriam Kolodziejová	3–6, 4–6
Win	2–1	Jun 2019	ITF Akko, Israel	W25	Hard	Julia Glushko	6–4, 6–2
Loss	2–2	Sep 2019	ITF Trieste, Italy	W25	Clay	Elisabetta Cocciaretto	3–6, 1–6
Win	3–2	Nov 2020	ITF Lousada, Portugal	W15	Hard (i)	Arianne Hartono	7–6(6), 2–6, 6–2
Loss	3–3	Nov 2020	ITF Lousada, Portugal	W15	Hard (i)	Lara Salden	4–6, 3–6
Loss	3–4	Apr 2021	ITF Calvi, France	W25+H	Hard	Valeria Savinykh	1–6, 4–6
Loss	3–5	May 2021	ITF Salinas, Ecuador	W25	Hard	Lucrezia Stefanini	1–6, 3–6
Win	4–5	Nov 2021	ITF Ortisei, Italy	W25	Hard (i)	Karman Thandi	6–4, 6–4
Loss	4–6	Jun 2024	ITF Troisdorf, Germany	W50	Clay	Berfu Cengiz	1–6, 6–2, 3–6
Win	5–6	Sep 2024	ITF Baza, Spain	W35	Hard	Ariana Geerlings	6–3, 6–3
Win	6–6	Oct 2024	ITF Loughborough, United Kingdom	W35	Hard (i)	Ranah Akua Stoiber	6–4, 3–6, 6–1
Win	7–6	Nov 2024	Ismaning Open, Germany	W75	Carpet (i)	Daria Snigur	6–7(8), 6–2, 7–5
Loss	7–7	Nov 2024	ITF Lousada, Portugal	W35	Hard	Hanne Vandewinkel	4–6, 2–6

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Aug 2017	ITF Caslano, Switzerland	W15	Clay	Lisa Sabino	Chiara Giaquinta Maria Aurelia Scotti	6–1, 6–2
Loss	1–1	Oct 2019	ITF İstanbul, Turkey	W25	Hard (i)	Katarzyna Piter	Richèl Hogenkamp Lesley Pattinama Kerkhove	2–6, 6–2, [6–10]
Win	2–1	Oct 2020	ITF Lousada, Portugal	W15	Hard (i)	Lara Salden	Claudia Giovine Angelica Moratelli	6–4, 6–3
Loss	2–2	Oct 2021	ITF Les Franqueses del Vallès, Spain	W80+H	Hard	Eden Silva	Irina Khromacheva Arina Rodionova	6–2, 3–6, [6–10]
Loss	2–3	Nov 2021	ITF Ortisei, Italy	W25	Hard (i)	Ylena In-Albon	Moyuka Uchijima Eudice Chong	2–6, 6–1, [5–10]
Loss	2–4	Feb 2022	AK Ladies Open, Germany	W60	Carpet (i)	Simona Waltert	Mariam Bolkvadze Samantha Murray Sharan	3–6, 5–7

• Susan Bandecchi at the Women's Tennis Association
• Susan Bandecchi at the International Tennis Federation