Back Da-yeon
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| Country (sports) | File:Flag of South Korea.svg South Korea | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Born | 24 January 2002 | ||||||||||||||
| Plays | Right-handed | ||||||||||||||
| Prize money | $125,000 | ||||||||||||||
| Singles | |||||||||||||||
| Career record | 195–90 | ||||||||||||||
| Career titles | 9 ITF | ||||||||||||||
| Highest ranking | No. 295 (31 March 2025) | ||||||||||||||
| Current ranking | No. 310 (1 December 2025) | ||||||||||||||
| Doubles | |||||||||||||||
| Career record | 109–73 | ||||||||||||||
| Career titles | 9 ITF | ||||||||||||||
| Highest ranking | No. 283 (1 December 2025) | ||||||||||||||
| Current ranking | No. 283 (1 December 2025) | ||||||||||||||
Medal record
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| Last updated on: 1 December 2025. | |||||||||||||||
Back Da-yeon (born 24 January 2002) is a Korean tennis player. She has a career-high singles ranking of world No. 295 by the WTA, achieved on 31 March 2025 and a doubles ranking of No. 283, reached on 1 December 2025.[1]
Career
[edit | edit source]Back made her WTA Tour debut at the 2022 Korea Open, after qualifying for the singles main draw. She lost in the first round to fellow South Korean player Han Na-lae.[2]
She was a winner of the Heart Award in the 2023 Billie Jean King Cup.[3]
Ranked No. 569 at the 2023 Korea Open where she received a wildcard, she upset second seed Jelena Ostapenko in a deciding tie-break having fought back from match point down earlier in the third set.[4][5][6] before losing in the next round to Kimberly Birrell.[7]
Given a wildcard for the newly upgraded WTA 500 2024 Korea Open, she was unable to repeat her success of the previous year, going out in the first round in straight sets to qualifier Carol Zhao.[8]
ITF Circuit finals
[edit | edit source]Singles: 16 (9 titles, 7 runner–ups)
[edit | edit source]
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Sep 2019 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Choi Ji-hee | 7–5, 3–6, 2–6 |
| Win | 1–1 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Kim Da-bin | 7–6(2), 3–0 ret. |
| Loss | 1–2 | Jul 2023 | ITF Nakhon, Thailand | W15 | Hard | Thailand Lanlana Tararudee | 4–6, 4–6 |
| Win | 2–2 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard | Japan 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 | South Korea Kim Da-bin | 2–6, 1–6 |
| Loss | 3–4 | May 2024 | ITF Monastir, Tunisia | W15 | Hard | File:Flag placeholder.svg Mariia Tkacheva | 4–6, 3–6 |
| Win | 4–4 | May 2024 | ITF Monastir, Tunisia | W15 | Hard | Slovakia Katarína Kužmová | 6–3, 6–0 |
| Win | 5–4 | Jun 2024 | ITF Daegu, South Korea | W35 | Hard | Japan Eri Shimizu | 4–6, 6–2, 6–3 |
| Win | 6–4 | Sep 2024 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Lee Eun-hye | 6–2, 6–1 |
| Win | 7–4 | Sep 2024 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Jeong Bo-young | 6–1, 6–2 |
| Loss | 7–5 | Mar 2025 | ITF Nonthaburi, Thailand | W35 | Hard | South Korea Lee Eun-hye | 3–6, 4–6 |
| Loss | 7–6 | Mar 2025 | ITF Nonthaburi, Thailand | W15 | Hard | Thailand Anchisa Chanta | 6–7((3), 3–6 |
| Win | 8–6 | May 2025 | ITF Daegu, South Korea | W15 | Hard | South Korea Lee Eun-hye | 5–6 ret. |
| Win | 9–6 | Jul 2025 | ITF Monastir, Tunisia | W35 | Hard |  Arianna Zucchini
|
6–7(4), 6–2, 7–6(7) |
| Loss | 9–7 | Oct 2025 | ITF Makinohara, Japan | W35 | Carpet | Japan Sara Saito | 1–6, 2–6 |
Doubles: 18 (9 titles, 9 runner–ups)
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Oct 2021 | ITF Antalya, Turkey | W15 | Clay | China Tian Fangran | Turkey Doğa Türkmen Turkey Melis Ayda Uyar |
7–6(5), 6–1 |
| Loss | 1–1 | Nov 2021 | ITF Antalya, Turkey | W15 | Clay | China Tian Fangran |  Ksenia Laskutova Aleksandra Pospelova
|
6–2, 2–6, [6–10] |
| Win | 2–1 | Nov 2021 | ITF Antalya, Turkey | W15 | Clay | China Tian Fangran | Anna Chekanskaya Georgia (country) Zoziya Kardava |
7–5, 6–3 |
| Loss | 2–2 | Jul 2022 | ITF Monastir, Tunisia | W15 | Hard | South Korea Jeong Bo-young | Indonesia Priska Madelyn Nugroho China Wei Sijia |
4–6, 1–6 |
| Win | 3–2 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Lee Eun-hye | Japan Junri Namigata Japan Riko Sawayanagi |
7–5, 3–6, [13–11] |
| Loss | 3–3 | Sep 2022 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Lee Eun-hye | South Korea Kim Da-bin South Korea Lee So-ra |
4–6, 6–3, [10–12] |
| Loss | 3–4 | Mar 2023 | ITF Sharm El Sheikh, Egypt | W15 | Hard | South Korea Jeong Bo-young | File:Flag placeholder.svg Polina Iatcenko Egypt Sandra Samir |
4–6, 5–7 |
| Loss | 3–5 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard | South Korea Jeong Bo-young | Japan Mushika Mao Japan Himari Satō |
3–6, 4–6 |
| Loss | 3–6 | Aug 2023 | ITF Sapporo, Japan | W15 | Hard | South Korea Jeong Bo-young | Japan Nana Kawagishi Japan Kisa Yoshioka |
3–6, 3–6 |
| Loss | 3–7 | Sep 2023 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Jeong Bo-young | South Korea Kim Da-bin South Korea Kim Na-ri |
2–6, 3–6 |
| Win | 4–7 | May 2024 | ITF Monastir, Tunisia | W15 | Hard | Colombia María Herazo González | Japan Natsuho Arakawa China Zhang Ying |
6–4, 6–4 |
| Loss | 4–8 | Jul 2024 | ITF Ust-Kamenogorsk, Kazakhstan | W15 | Hard | Japan Ayumi Koshiishi | File:Flag placeholder.svg Aglaya Fedorova File:Flag placeholder.svg Daria Khomutsianskaya |
6–7(4), 2–6 |
| Win | 5–8 | Aug 2024 | ITF Ust-Kamenogorsk, Kazakhstan | W15 | Hard | File:Flag placeholder.svg Anastasia Sukhotina | File:Flag placeholder.svg Varvara Panshina Uzbekistan Daria Shubina |
6–3, 6–1 |
| Win | 6–8 | Sep 2024 | ITF Yeongwol, South Korea | W15 | Hard | South Korea Lee Eun-hye | South Korea Kim Na-ri China Ye Qiuyu |
6–1, 6–1 |
| Win | 7–8 | Feb 2025 | ITF Timaru, New Zealand | W35 | Hard | South Korea Lee Eun-hye | South Korea Choi On-yu Japan Nanari Katsumi |
7–5, 6–3 |
| Win | 8–8 | May 2025 | ITF Andong, South Korea | W35 | Hard | South Korea Lee Eun-hye | South Korea Han Hyeong-ju South Korea Kim Eun-chae |
3–6, 6–2, [10–4] |
| Win | 9–8 | May 2025 | ITF Daegu, South Korea | W15 | Hard | South Korea Lee Eun-hye | South Korea Kim Da-bin South Korea Ku Yeon-woo |
6–1, 6–1 |
| Loss | 9–9 | Jul 2025 | ITF Monastir, Tunisia | W35 | Hard | India Vaidehi Chaudhari |  Tenika McGiffin Latvia Elza Tomase |
6–3, 3–6, [8–10] |
Top 5 highest rank wins
[edit | edit source]| # | Tournament | Category | Start date | Surface | Rd | Opponent | Rank | Score | PSR |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Korea Open, South Korea | WTA 250 | 9 October 2023 | Hard | 1R | Latvia Jeļena Ostapenko | No. 13 | 3–6, 6–1, 7–6(4) | No. 569 |
| 2 | Korea Open, South Korea | WTA 250 | 19 September 2022 | Hard | Q1 | Israel Lina Glushko | No. 218 | 7–5, 1–6, 6–1 | No. 679 |
| 3 | Incheon Open, South Korea | ITF W100 | 2 September 2024 | Hard | 1R | China Ma Yexin | No. 223 | 6–4, 6–3 | No. 344 |
| 4 | Gold Coast Tennis International, Australia | ITF W60 | 27 November 2023 | Hard | 1R | Seone Mendez
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No. 234 | 6–3, 6–3 | No. 480 |
| 5 | Korea Open, South Korea | WTA 250 | 19 September 2022 | Hard | Q2 | Latvia Daniela Vismane | No. 274 | 6–2, 6–3 | No. 679 |
- statistics correct as of 1 December 2025[update].
References
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External links
[edit | edit source]- Dayeon Back at the Women's Tennis AssociationLua error in Module:WikidataCheck at line 29: attempt to index field 'wikibase' (a nil value).
- Dayeon Back at the International Tennis FederationLua error in Module:WikidataCheck at line 29: attempt to index field 'wikibase' (a nil value).
- Dayeon Back at the Billie Jean King Cup (archived former page)Lua error in Module:WikidataCheck at line 29: attempt to index field 'wikibase' (a nil value).Lua error in Module:WikidataCheck at line 29: attempt to index field 'wikibase' (a nil value).
Categories:
- 2002 births
- Living people
- South Korean female tennis players
- Asian Games bronze medalists for South Korea
- Asian Games bronze medalists in tennis
- Tennis players at the 2022 Asian Games
- Medalists at the 2022 Asian Games
- 21st-century South Korean sportswomen
- Asian tennis biography stubs
- South Korean sportspeople stubs