Back Da-yeon

Back Da-yeon
Country (sports) South Korea
Born (2002-01-24) 24 January 2002
PlaysRight-handed
Prize money$91,436
Singles
Career record172–76
Career titles8 ITF
Highest rankingNo. 295 (31 March 2025)
Current rankingNo. 310 (9 June 2025)
Doubles
Career record89–59
Career titles9 ITF
Highest rankingNo. 365 (9 June 2025)
Current rankingNo. 365 (9 June 2025)
Medal record
Women's tennis
Representing  South Korea
Asian Games
2022 Hangzhou Doubles
Last updated on: 9 June 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. 365, reached on 9 June 2025.[1]

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: 14 (8 titles, 6 runner–ups)

Legend
W35 tournaments (1–1)
W15 tournaments (7–5)
Finals by surface
Hard (8–6)
Result W–L Date Tournament Tier Surface Opponent 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
Win 6–4 Sep 2024 ITF Yeongwol, South Korea W15 Hard Lee Eun-hye 6–2, 6–1
Win 7–4 Sep 2024 ITF Yeongwol, South Korea W15 Hard Jeong Bo-young 6–1, 6–2
Loss 7–5 Mar 2025 ITF Nonthaburi, Thailand W35 Hard Lee Eun-hye 3–6, 4–6
Loss 7–6 Mar 2025 ITF Nonthaburi, Thailand W15 Hard Anchisa Chanta 6–7((3), 3–6
Win 8–6 May 2025 ITF Daegu, South Korea W15 Hard Lee Eun-hye 5–6 ret.

Doubles: 17 (9 titles, 8 runner–ups)

Legend
W35 tournaments (2–0)
W15 tournaments (7–8)
Finals by surface
Hard (7–7)
Clay (2–1)
Result W–L Date Tournament Tier Surface Partner Opponents 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
Win 6–8 Sep 2024 ITF Yeongwol, South Korea W15 Hard Lee Eun-hye Kim Na-ri
Ye Qiuyu
6–1, 6–1
Win 7–8 Feb 2025 ITF Timaru, New Zealand W35 Hard Lee Eun-hye Choi On-yu
Nanari Katsumi
7–5, 6–3
Win 8–8 May 2025 ITF Andong, South Korea W35 Hard Lee Eun-hye Han Hyeong-ju
Kim Eun-chae
3–6, 6–2, [10–4]
Win 9–8 May 2025 ITF Daegu, South Korea W15 Hard Lee Eun-hye Kim Da-bin
Ku Yeon-woo
6–1, 6–1

Top 5 highest rank wins

# Tournament Category Start date Surface Rd Opponent Rank Score PSR
1 Korea Open, South Korea WTA 250 9 October 2023 Hard 1R 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 Lina Glushko No. 218 7–5, 1–6, 6–1 No. 679
3 Incheon Open, South Korea ITF W100 2 September 2024 Hard 1R 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 No. 234 6–3, 6–3 No. 480
5 Korea Open, South Korea WTA 250 19 September 2022 Hard Q2 Daniela Vismane No. 274 6–2, 6–3 No. 679
  • statistics correct as of 22 September 2024.

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.