Back Da-yeon

Last updated
Back Da-yeon
Country (sports)Flag of South Korea.svg  South Korea
Born (2002-01-24) 24 January 2002 (age 23)
PlaysRight-handed
Prize money$102,084
Singles
Career record185–80
Career titles9 ITF
Highest rankingNo. 295 (31 March 2025)
Current rankingNo. 297 (11 August 2025)
Doubles
Career record99–63
Career titles9 ITF
Highest rankingNo. 324 (11 August 2025)
Current rankingNo. 324 (11 August 2025)
Medal record
Women's tennis
Representing Flag of South Korea.svg  South Korea
Asian Games
Bronze medal icon (B initial).svg 2022 Hangzhou Doubles
Last updated on: 11 August 2025.

Back Da-yeon (born 24 January 2002) is a Korean tennis player. Back has a career-high singles ranking of world No. 319 by the WTA, achieved on 9 September 2024 and a doubles ranking of No. 324, reached on 11 August 2025. [1]

Contents

Career

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

Singles: 15 (9 titles, 6 runner–ups)

Legend
W35 tournaments (2–1)
W15 tournaments (7–5)
Finals by surface
Hard (9–6)
ResultW–LDateTournamentTierSurfaceOpponentScore
Loss0–1Sep 2019ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Choi Ji-hee 7–5, 3–6, 2–6
Win1–1Sep 2022ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Kim Da-bin 7–6(2), 3–0 ret.
Loss1–2Jul 2023ITF Nakhon, ThailandW15Hard Flag of Thailand.svg Lanlana Tararudee 4–6, 4–6
Win2–2Aug 2023ITF Sapporo, JapanW15Hard Flag of Japan.svg Miho Kuramochi 6–2, 6–0
Win3–2Sep 2023ITF Yeongwol, South KoreaW15Hard Flag of the United States.svg Dasha Ivanova 6–3, 6–0
Loss3–3Sep 2023ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Kim Da-bin2–6, 1–6
Loss3–4May 2024ITF Monastir, TunisiaW15HardFlag placeholder.svg Mariia Tkacheva 4–6, 3–6
Win4–4May 2024ITF Monastir, TunisiaW15Hard Flag of Slovakia.svg Katarína Kužmová 6–3, 6–0
Win5–4Jun 2024ITF Daegu, South KoreaW35Hard Flag of Japan.svg Eri Shimizu 4–6, 6–2, 6–3
Win6–4Sep 2024ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye 6–2, 6–1
Win7–4Sep 2024ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Jeong Bo-young 6–1, 6–2
Loss7–5Mar 2025ITF Nonthaburi, ThailandW35Hard Flag of South Korea.svg Lee Eun-hye3–6, 4–6
Loss7–6Mar 2025ITF Nonthaburi, ThailandW15Hard Flag of Thailand.svg Anchisa Chanta 6–7((3), 3–6
Win8–6May 2025ITF Daegu, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye5–6 ret.
Win9–6Jul 2025ITF Monastir, TunisiaW35Hard Flag of Italy.svg Arianna Zucchini 6–7(4), 6–2, 7–6(7)

Doubles: 18 (9 titles, 9 runner–ups)

Legend
W35 tournaments (2–1)
W15 tournaments (7–8)
Finals by surface
Hard (7–8)
Clay (2–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScore
Win1–0Oct 2021ITF Antalya, TurkeyW15Clay Flag of the People's Republic of China.svg Tian Fangran Flag of Turkey.svg Doğa Türkmen
Flag of Turkey.svg Melis Ayda Uyar		7–6(5), 6–1
Loss1–1Nov 2021ITF Antalya, TurkeyW15Clay Flag of the People's Republic of China.svg Tian Fangran Flag of Russia.svg Ksenia Laskutova
Flag of Russia.svg Aleksandra Pospelova 		6–2, 2–6, [6–10]
Win2–1Nov 2021ITF Antalya, TurkeyW15Clay Flag of the People's Republic of China.svg Tian Fangran Flag of Russia.svg Anna Chekanskaya
Flag of Georgia.svg Zoziya Kardava 		7–5, 6–3
Loss2–2Jul 2022ITF Monastir, TunisiaW15Hard Flag of South Korea.svg Jeong Bo-young Flag of Indonesia.svg Priska Madelyn Nugroho
Flag of the People's Republic of China.svg Wei Sijia 		4–6, 1–6
Win3–2Sep 2022ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye Flag of Japan.svg Junri Namigata
Flag of Japan.svg Riko Sawayanagi 		7–5, 3–6, [13–11]
Loss3–3Sep 2022ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye Flag of South Korea.svg Kim Da-bin
Flag of South Korea.svg Lee So-ra 		4–6, 6–3, [10–12]
Loss3–4Mar 2023ITF Sharm El Sheikh, EgyptW15Hard Flag of South Korea.svg Jeong Bo-youngFlag placeholder.svg Polina Iatcenko
Flag of Egypt.svg Sandra Samir 		4–6, 5–7
Loss3–5Aug 2023ITF Sapporo, JapanW15Hard Flag of South Korea.svg Jeong Bo-young Flag of Japan.svg Mushika Mao
Flag of Japan.svg Himari Satō 		3–6, 4–6
Loss3–6Aug 2023ITF Sapporo, JapanW15Hard Flag of South Korea.svg Jeong Bo-young Flag of Japan.svg Nana Kawagishi
Flag of Japan.svg Kisa Yoshioka 		3–6, 3–6
Loss3–7Sep 2023ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Jeong Bo-young Flag of South Korea.svg Kim Da-bin
Flag of South Korea.svg Kim Na-ri 		2–6, 3–6
Win4–7May 2024ITF Monastir, TunisiaW15Hard Flag of Colombia.svg María Herazo González Flag of Japan.svg Natsuho Arakawa
Flag of the People's Republic of China.svg Zhang Ying 		6–4, 6–4
Loss4–8Jul 2024ITF Ust-Kamenogorsk, KazakhstanW15Hard Flag of Japan.svg Ayumi Koshiishi Flag placeholder.svg Aglaya Fedorova
Flag placeholder.svg Daria Khomutsianskaya 		6–7(4), 2–6
Win5–8Aug 2024ITF Ust-Kamenogorsk, KazakhstanW15HardFlag placeholder.svg Anastasia Sukhotina Flag placeholder.svg Varvara Panshina
Flag of Uzbekistan.svg Daria Shubina 		6–3, 6–1
Win6–8Sep 2024ITF Yeongwol, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye Flag of South Korea.svg Kim Na-ri
Flag of the People's Republic of China.svg Ye Qiuyu 		6–1, 6–1
Win7–8Feb 2025ITF Timaru, New ZealandW35Hard Flag of South Korea.svg Lee Eun-hye Flag of South Korea.svg Choi On-yu
Flag of Japan.svg Nanari Katsumi 		7–5, 6–3
Win8–8May 2025ITF Andong, South KoreaW35Hard Flag of South Korea.svg Lee Eun-hye Flag of South Korea.svg Han Hyeong-ju
Flag of South Korea.svg Kim Eun-chae 		3–6, 6–2, [10–4]
Win9–8May 2025ITF Daegu, South KoreaW15Hard Flag of South Korea.svg Lee Eun-hye Flag of South Korea.svg Kim Da-bin
Flag of South Korea.svg Ku Yeon-woo 		6–1, 6–1
Loss9–9Jul 2025ITF Monastir, TunisiaW35Hard Flag of India.svg Vaidehi Chaudhari Flag of Australia (converted).svg Tenika McGiffin
Flag of Latvia.svg Elza Tomase 		6–3, 3–6, [8–10]

Top 5 highest rank wins

#TournamentCategoryStart dateSurfaceRdOpponentRankScorePSR
1 Korea Open, South KoreaWTA 2509 October 2023Hard1R Flag of Latvia.svg Jeļena Ostapenko No. 133–6, 6–1, 7–6(4)No. 569
2 Korea Open, South KoreaWTA 25019 September 2022HardQ1 Flag of Israel.svg Lina Glushko No. 2187–5, 1–6, 6–1No. 679
3 Incheon Open, South KoreaITF W1002 September 2024Hard1R Flag of the People's Republic of China.svg Ma Yexin No. 2236–4, 6–3No. 344
4 Gold Coast Tennis International, AustraliaITF W6027 November 2023Hard1R Flag of Australia (converted).svg Seone Mendez No. 2346–3, 6–3No. 480
5 Korea Open, South KoreaWTA 25019 September 2022HardQ2 Flag of Latvia.svg Daniela Vismane No. 2746–2, 6–3No. 679

References

  1. ↑ "Dayeon Back | Player Stats & More – WTA Official". Women's Tennis Association.
  2. ↑ "Jang Su-jeong out of Korea Open; Han Na-lae advances". Korea JoongAng Daily. 19 September 2022. Retrieved 16 September 2024.
  3. ↑ "Fernandez, Back, Peterson and Riera named Heart Award winners". Billie Jean King Cup. May 23, 2023. Retrieved 10 October 2023.
  4. ↑ "Back upsets Ostapenko, Jang knocks out Kenin in Seoul". Women's Tennis Association. Retrieved 2023-11-23.
  5. ↑ "Korea Open: Dayeon Back stuns Jelena Ostapenko in huge shock, Jessica Pegula cruises past Viktoria Hruncakova". Eurosport. Retrieved 16 September 2024.
  6. ↑ "Jelena Ostapenko ousted by 569th-ranked Back Dayeon at Hana Bank Korea Open". Tennis.com. Retrieved 16 September 2024.
  7. ↑ "Birrell enjoying career-best run at WTA tournament in Seoul". Tennis Australia. Retrieved 16 September 2024.
  8. ↑ "Korea Open: Zhao through to second round". Tennis Majors. 16 September 2024. Retrieved 16 September 2024.


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