Ku Yeon-woo| Country (sports) |  South Korea |
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| Born | (2003-03-15) 15 March 2003 |
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| Plays | Right-handed |
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| Prize money | $67,338 |
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| Career record | 181–95 |
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| Career titles | 4 ITF |
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| Highest ranking | No. 411 (20 March 2023) |
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| Current ranking | No. 523 (7 April 2025) |
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| Career record | 55–43 |
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| Career titles | 6 ITF |
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| Highest ranking | No. 394 (14 August 2023) |
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| Current ranking | No. 884 (7 April 2025) |
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| Last updated on: 7 April 2025. |
Ku Yeon-woo (born 15 March 2003) is a South Korean tennis player.
She has a career-high singles ranking of 411 by the Women's Tennis Association (WTA), achieved on 20 March 2023, and a best WTA doubles ranking of 394, reached on 14 August 2023.[1]
Ku made her WTA Tour main-draw singles debut at the 2023 Korea Open as a qualifier, losing in the first round to Claire Liu[2]
ITF Circuit finals
Singles: 7 (4 titles, 3 runner-ups)
| Legend | | W35 tournaments (1–2) | | W15 tournaments (3–1) | | | Finals by surface | | Hard (4–2) | | Clay (0–1) | |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Sep 2019 | ITF Yeongwol, South Korea | W15 | Hard |  Watsachol Sawatdee | 3–6, 6–3, 6–2 |
| Win | 2–0 | Oct 2021 | ITF Sozopol, Bulgaria | W15 | Hard |  Julia Terziyska | 6–4, 6–2 |
| Win | 3–0 | Nov 2021 | ITF Lousada, Portugal | W15 | Hard (i) |  Živa Falkner | 6–0, 7–5 |
| Loss | 3–1 | Feb 2024 | ITF Gurugram, India | W35 | Hard |  Justina Mikulskytė | 0–6, 1–6 |
| Loss | 3–2 | Mar 2024 | ITF Nagpur, India | W35 | Clay | Dalila Jakupović | 1–6, 2–6 |
| Loss | 3–3 | Mar 2025 | ITF Kashiwa, Japan | W15 | Hard |  Ayano Shimizu | 3–6, 3–6 |
| Win | 4–3 | Jun 2025 | ITF Taipei, Taiwan | W35 | Hard | Rina Saigo | 6–1, 6–4 |
Doubles: 13 (6 titles, 7 runner-ups)
| Legend | | W25/35 tournaments (3–4) | | W15 tournaments (3–3) | | | Finals by surface | | Hard (3–4) | | Clay (3–3) | |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Mar 2021 | ITF Sharm El Sheikh, Egypt | W15 | Hard | .svg.png) Raphaëlle Lacasse |  Alicia Barnett
Lily Miyazaki | 4–6, 1–6 |
| Win | 1–1 | Aug 2021 | ITF Bad Waltersdorf, Austria | W15 | Clay |  Priska Madelyn Nugroho |  Giulia Crescenzi
Arianna Zucchini | 6–4, 6–3 |
| Loss | 1–2 | Sep 2021 | ITF Aix-en-Provence, France | W15 | Clay |  Maria Bondarenko |  Julie Belgraver
Léa Tholey | 1–6, 2–6 |
| Win | 2–2 | Sep 2021 | ITF Melilla, Spain | W15 | Clay |  Caijsa Hennemann |  Luisa Meyer auf der Heide
Chantal Sauvant | 6–3, 6–0 |
| Win | 3–2 | Oct 2021 | ITF Seville, Spain | W25 | Clay | Caijsa Hennemann |  Lina Gjorcheska
 Tena Lukas | 7–5, 6–1 |
| Loss | 3–3 | Jul 2022 | ITF Quinta da Lago, Portugal | W25 | Clay |  Adrienn Nagy | .svg.png) Francisca Jorge
Matilde Jorge | 4–6, 4–6 |
| Win | 4–3 | May 2023 | ITF Incheon, South Korea | W25 | Hard | Choi Ji-hee |  Li Yu-yun
 Tang Qianhui | 6–1, 6–1 |
| Loss | 4–4 | Jul 2023 | Open Castilla y León, Spain | W25 | Hard |  Diāna Marcinkēviča |  Rasheeda McAdoo
.svg.png) Alexandra Osborne | 4–6, 3–6 |
| Loss | 4–5 | Mar 2024 | ITF Nagpur, India | W35 | Clay | Justina Mikulskytė |  Irina Bara
Dalila Jakupović | 7–6(8), 6–7(5), [7–10] |
| Win | 5–5 | Mar 2025 | ITF Kashiwa, Japan | W15 | Hard | Naho Sato | Eri Shimizu
Kisa Yoshioka | 6–2, 6–4 |
| Loss | 5–6 | Apr 2025 | ITF Osaka, Japan | W35 | Hard | Janice Tjen | Momoko Kobori
Ayano Shimizu | 4–6, 5–7 |
| Loss | 5–7 | May 2025 | ITF Daegu, South Korea | W15 | Hard | Kim Da-bin | Back Da-yeon
Lee Eun-hye | 1–6, 1–6 |
| Win | 6–7 | Jun 2025 | ITF Taipei, Taiwan | W35 | Hard | Eri Shimizu | Park So-hyun
Ayano Shimizu | 6–4, 2–6, [10–5] |
References
External links
