Sofia Sewing (born July 22, 1999) is an American professional tennis player. She has reached a career-high ITF junior ranking of world No. 9, as well as WTA rankings of 455 in singles and 125 in doubles.

Over her career, Sewing has won four singles and 14 doubles titles at tournaments of the ITF Circuit. In December 2023, she reached her first final on the WTA Challenger Tour, partnering with María Paulina Pérez in Buenos Aires, Argentina, but they lost the match in a super-tiebreaker to María Lourdes Carlé and Despina Papamichail.^[1]

Result	W–L	Date	Tournament	Surface	Partner	Opponents	Score
Loss	0–1	Dec 2023	Buenos Aires Open, Argentina	Clay	María Paulina Pérez	María Lourdes Carlé Despina Papamichail	3–6, 6–4, [9–11]

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Dec 2017	ITF Guayaquil, Ecuador	15,000	Clay	Nika Kukharchuk	0–6, 6–2, 2–6
Win	1–1	May 2019	ITF Cancún, Mexico	15,000	Hard	Emilie Lindh	6–1, 1–6, 6–1
Win	2–1	Jan 2020	ITF Cancún, Mexico	15,000	Hard	Anastasia Sysoeva	7–5, 6–0
Win	3–1	Sep 2022	ITF Guayaquil, Ecuador	15,000	Clay	María Herazo González	4–6, 6–3, 6-2
Loss	3–2	Oct 2022	ITF Guayaquil, Ecuador	15,000	Clay	María Herazo González	4–6, 3-6
Loss	3–3	Oct 2022	ITF Bucaramanga, Colombia	15,000	Clay	Kaitlin Quevedo	3–6, 7–6(6), 5–7
Loss	3–4	Nov 2022	ITF Lima, Peru	15,000	Clay	Noelia Zeballos	6–3, 3–6, 0–6
Win	4–4	Nov 2022	ITF Lima, Peru	15,000	Clay	María Herazo González	7–6(3), 6–1

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponent	Score
Loss	0–1	Jun 2016	ITF Bethany Beach, United States	10,000	Clay	Veronika Miroshnichenko	Sophie Chang Alexandra Mueller	1–6, 4–6
Win	1–1	Nov 2017	ITF Manta, Ecuador	15,000	Hard	María Portillo Ramírez	Emily Appleton María Herazo González	6–1, 6–3
Win	2–1	Dec 2017	ITF Guayaquil, Ecuador	15,000	Clay	María Portillo Ramírez	Stephanie Nemtsova Dominique Schaefer	7–5, 6–2
Loss	2–2	Nov 2018	ITF Norman, US	25,000	Hard	María Portillo Ramírez	Vladica Babić Ena Shibahara	2–6, 3–6
Loss	2–3	Jun 2019	ITF Wesley Chapel, US	15,000	Clay	Kylie Collins	Allura Zamarripa Maribella Zamarripa	6–3, 4–6, [11–13]
Win	3–3	Sep 2019	ITF Lubbock, US	15,000	Hard	María Portillo Ramírez	Ashlyn Krueger Shiori Fukuda	6–2, 6–4
Loss	3–4	Jan 2020	ITF Cancún, Mexico	W15	Hard	Victoria Rodríguez	Lian Tran Justina Mikulskytė	2–6, 6–4, [7–10]
Loss	3–5	Sep 2020	ITF Prague, Czech Republic	W25	Clay	Katie Volynets	Anastasia Dețiuc Johana Marková	2–6, 1–6
Loss	3–6	Jan 2022	ITF Blumenau-Gaspar, Brazil	W25	Clay	Eva Vedder	Andrea Gámiz Bárbara Gatica	4–6, 1–6
Win	4–6	Jan 2022	ITF Florianópolis, Brazil	W25	Hard	Andrea Gámiz	Bárbara Gatica Rebeca Pereira	6-4, 6-1
Win	5–6	Jan 2022	ITF Florianópolis, Brazil	W25	Hard	Andrea Gámiz	Jessie Aney Ingrid Martins	7–6(2), 6–4
Win	6–6	Mar 2022	ITF Guayaquil, Ecuador	W25	Hard	Andrea Gámiz	Nicole Fossa Huergo Noelia Zeballos	6–4, 7–5
Win	7–6	Sep 2022	ITF Guayaquil, Ecuador	W15	Clay	María Paulina Pérez	Romina Ccuno María Herazo González	6–4, 1–6, [10–2]
Loss	7–7	Oct 2022	ITF Guayaquil, Ecuador	W15	Clay	María Paulina Pérez	Romina Ccuno María Herazo González	2–6, 7–5, [9-11]
Loss	7–8	Oct 2022	ITF Ibagué, Colombia	W25	Clay	María Herazo González	María Paulina Pérez Yuliana Lizarazo	4–6, 5–7
Win	8–8	Feb 2023	ITF Mexico City, Mexico	W40	Hard	Berfu Cengiz	Suzan Lamens Darja Semeņistaja	6–1, 1–6, [12–10]
Win	9–8	Feb 2023	ITF Santo Domingo, Dominican Republic	W25	Hard	Darja Semeņistaja	Nefisa Berberović Eudice Chong	6–3, 6–2
Loss	9–9	Apr 2023	ITF Boca Raton, US	W25	Clay	Fanny Stollár	Makenna Jones Jamie Loeb	7–5, 3–6, [8–10]
Win	10–9	April 2023	ITF Guayaquil, Ecuador	W25	Clay	Jessie Aney	Noelia Bouzo Zanotti Ani Vangelova	6–0, 6–2
Win	11–9	April 2023	ITF Guayaquil, Ecuador	W25	Clay	Jessie Aney	Ana Candiotto Rebeca Pereira	6–1, 6–2
Loss	11-10	Jun 2023	ITF Otočec, Slovenia	W40	Clay	Kayla Cross	Ekaterine Gorgodze Elvina Kalieva	2-6, 3-6
Win	12–10	Jun 2023	ITF Pörtschach, Austria	W25	Clay	Weronika Falkowska	Elena-Teodora Cadar Diāna Marcinkēviča	6–1, 6–2
Win	13-10	Jul 2023	ITF Palma del Río, Spain	W40	Hard	Andrea Gámiz	Robin Anderson Elysia Bolton	6-3, 6–2
Win	14-10	Oct 2023	Georgia's Rome Open, US	W60	Hard (i)	Anastasia Tikhonova	Robin Anderson Fernanda Contreras Gómez	4–6, 6–3, [10–7]
Loss	14-11	Oct 2023	Tennis Classic of Macon, US	W80	Hard	Anastasia Tikhonova	Jana Kolodynska Tatiana Prozorova	3–6, 2–6

• Sofia Sewing at the Women's Tennis Association
• Sofia Sewing at the International Tennis Federation
• University of Miami Profile