| Back Da-yeon | |
| Birth Date: | 2002 1, df=yes |
| Plays: | Right-handed |
| Careerprizemoney: | $54,171 |
| Singlestitles: | 5 ITF |
| Highestsinglesranking: | No. 336 (5 August 2024) |
| Currentsinglesranking: | No. 336 (5 August 2024) |
| Doublestitles: | 5 ITF |
| Highestdoublesranking: | No. 563 (17 October 2022) |
| Currentdoublesranking: | No. 685 (5 August 2024) |
| Updated: | 5 August 2024 |
Back Da-yeon (born 24 January 2002) is a Korean tennis player.
Back has a career-high singles ranking of 336 by the Women's Tennis Association (WTA), achieved on 5 August 2024. She also has a career-high WTA doubles ranking of 563, reached on 17 October 2022.[1]
Back made her WTA Tour debut at the 2022 Korea Open, after qualifying for the singles main draw.
She is a winner of the Heart Award in the 2023 Billie Jean King Cup.[2]
Ranked No. 569 at the 2023 Korea Open where she received a wildcard, she upset second seed Jelena Ostapenko.[3]
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | class=unsortable | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Sep 2019 | ITF Yeongwol, South Korea | W15 | Hard |  Choi Ji-hee | 7–5, 3–6, 2–6 | |
| Win | 1–1 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | Kim Da-bin | 7–6(2), 3–0 ret. | |
| Loss | 1–2 | Jul 2023 | ITF Nakhon, Thailand | W15 | Hard |  Lanlana Tararudee | 4–6, 4–6 | |
| Win | 2–2 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard |  Miho Kuramochi | 6–2, 6–0 | |
| Win | 3–2 | Sep 2023 | ITF Yeongwol, South Korea | W15 | Hard |  Dasha Ivanova | 6–3, 6–0 | |
| Loss | 3–3 | Sep 2023 | ITF Yeongwol, South Korea | W15 | Hard | Kim Da-bin | 2–6, 1–6 | |
| Loss | 3–4 | May 2024 | ITF Monastir, Tunisia | W15 | Hard | Mariia Tkacheva | 4–6, 3–6 | |
| Win | 4–4 | May 2024 | ITF Monastir, Tunisia | W15 | Hard |  Katarína Kužmová | 6–3, 6–0 | |
| Win | 5–4 | Jun 2024 | ITF Daegu, South Korea | W35 | Hard | Eri Shimizu | 4–6, 6–2, 6–3 |
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | class=unsortable | Score |
|---|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Oct 2021 | ITF Antalya, Turkey | W15 | Clay |  Tian Fangran |  Doğa Türkmen Melis Ayda Uyar | 7–6(5), 6–1 | |
| Loss | 1–1 | Nov 2021 | ITF Antalya, Turkey | W15 | Clay | Tian Fangran |  Ksenia Laskutova Aleksandra Pospelova | 6–2, 2–6, [6–10] | |
| Win | 2–1 | Nov 2021 | ITF Antalya, Turkey | W15 | Clay | Tian Fangran | Anna Chekanskaya  Zoziya Kardava | 7–5, 6–3 | |
| Loss | 2–2 | Jul 2022 | ITF Monastir, Tunisia | W15 | Hard | Jeong Bo-young | Priska Madelyn Nugroho Wei Sijia | 4–6, 1–6 | |
| Win | 3–2 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | Lee Eun-hye | Junri Namigata Riko Sawayanagi | 7–5, 3–6, [13–11] | |
| Loss | 3–3 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | Lee Eun-hye | Kim Da-bin Lee So-ra | 4–6, 6–3, [10–12] | |
| Loss | 3–4 | Mar 2023 | ITF Sharm El Sheikh, Egypt | W15 | Hard | Jeong Bo-young | Polina Iatcenko  Sandra Samir | 4–6, 5–7 | |
| Loss | 3–5 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard | Jeong Bo-young | Mao Mushika Himari Sato | 3–6, 4–6 | |
| Loss | 3–6 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard | Jeong Bo-young | Nana Kawagishi Kisa Yoshioka | 3–6, 3–6 | |
| Loss | 3–7 | Sep 2023 | ITF Yeongwol, South Korea | W15 | Hard | Jeong Bo-young | Kim Da-bin Kim Na-ri | 2–6, 3–6 | |
| Win | 4–7 | May 2024 | ITF Monastir, Tunisia | W15 | Hard |  María Herazo González | Natsuho Arakawa Zhang Ying | 6–4, 6–4 | |
| Loss | 4–8 | Jul 2024 | ITF Ust-Kamenogorsk, Kazakhstan | W15 | Hard | Ayumi Koshiishi | Aglaya Fedorova Daria Khomutsianskaya | 6–7(4), 2–6 | |
| Win | 5–8 | Aug 2024 | ITF Ust-Kamenogorsk, Kazakhstan | W15 | Hard | Anastasia Sukhotina | Varvara Panshina  Daria Shubina | 6–3, 6–1 |