Name: Yeon Woo Ku
Country: Republic of Korea
Birthdate: 15.03.03, 22 years
WTA ranking: 466
TOP ranking's position: 411 (20.03.23, 12100 points)
Points: 113
Matches total: 273
Win: 169
%: 61.9 %
Country: Republic of Korea
Birthdate: 15.03.03, 22 years
WTA ranking: 466
TOP ranking's position: 411 (20.03.23, 12100 points)
Points: 113
Matches total: 273
Win: 169
%: 61.9 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 11/7 | 9/5 | 0/0 | 0/0 | 0/0 | 2/2 | 0/0 |
| 2024 | 40/27 | 35/23 | 4/1 | 1/3 | 0/0 | 0/0 | 0/0 |
| 2023 | 31/24 | 21/20 | 5/3 | 5/1 | 0/0 | 0/0 | 0/0 |
| 2022 | 21/17 | 14/12 | 2/2 | 5/3 | 0/0 | 0/0 | 0/0 |
| 2021 | 52/19 | 30/10 | 13/7 | 9/2 | 0/0 | 0/0 | 0/0 |
| 2020 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 9/5 | 9/5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 4/3 | 4/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 169/104 | 123/80 | 24/13 | 20/9 | 0/0 | 2/2 | 0/0 |
| perc. % | 61.9 % | 60.59 % | 64.86 % | 68.97 % | 0 % | 50 % | 0 % |
Yeon Woo Ku / Fixtures
| no matches found |
Yeon Woo Ku form / surface: Hard
Yeon Woo Ku / surface: Hard
| 11.04.25 | 1/4 | Janice Tjen | Yeon Woo Ku | 6-1, 6-2 |  | match details |  W35 Osaka | Hard |
| 10.04.25 | 2nd round | Yeon Woo Ku | Himeno Sakatsume | 7-63, 6-2 |  | match details | ||
| 09.04.25 | 1st round | Yeon Woo Ku | Kanon Yamaguchi | 6-4, 6-3 | | match details | ||
| 06.04.25 | fin | Ayano Shimizu | Yeon Woo Ku | 6-3, 6-3 | | match details | W15 Kashiwa | Hard |
| 05.04.25 | 1/4 | Yeon Woo Ku | Daria Egorova | 3-6, 6-4, 4-2, Daria Egorova - retired | | match details | ||
| 05.04.25 | 1/2 | Yeon Woo Ku | Eri Shimizu | 6-2, 6-4 | | match details | ||
| 04.04.25 | 2nd round | Yeon Woo Ku | Rina Saigo | 6-1, 6-1 | | match details | ||
| 01.04.25 | 1st round | Yeon Woo Ku | Nagomi Higashitani | 6-2, 6-2 | | match details | ||
| 01.03.25 | 1/2 | Lizette Cabrera | Yeon Woo Ku | 1-6, 6-2, 6-4 | | match details |  W35 Launceston | Hard |
| 28.02.25 | 1/4 | Yeon Woo Ku | Gabriella Da Silva Fick | 6-2, 6-2 | | match details | ||
| 27.02.25 | 2nd round | Yeon Woo Ku | Kyoka Okamura | 6-0, 6-4 | | match details | ||
| 26.02.25 | 1st round | Yeon Woo Ku | Ya-Yi Yang | 6-4, 6-2 | | match details | ||
| 18.02.25 | 1st round | Chengyiyi Yuan | Yeon Woo Ku | 6-4, 6-4 | | match details | W35 Burnie | Hard |
| 12.02.25 | 1st round | Malene Helgo | Yeon Woo Ku | 6-74, 7-5, 6-4 | | match details |  W35 Timaru | Hard |
| 24.10.24 | 2nd round | Johanne Svendsen | Yeon Woo Ku | 2-6, 7-65, 7-5 | | match details |  W35 Loule | Hard |
| 23.10.24 | 1st round | Yeon Woo Ku | Aurora Zantedeschi | 6-1, 6-2 | | match details | ||
| 17.10.24 | 2nd round | Monika Stankiewicz | Yeon Woo Ku | 7-5, 6-2 | | match details | W35 Faro | Hard |
| 16.10.24 | 1st round | Yeon Woo Ku | Diana Marcinkevica | 6-4, 6-1 | | match details | ||
| 10.10.24 | 2nd round | Amandine Monnot | Yeon Woo Ku | 6-3, 7-69 | | match details | W50 Quinta | Hard |
| 07.10.24 | 1st round | Yeon Woo Ku | Amandine Hesse | 6-1, 6-3 | | match details | ||
| 04.10.24 | 1/4 | Amy Zhu | Yeon Woo Ku | 5-7, 7-5, 6-3 | | match details |  W35 Baza | Hard |
| 03.10.24 | 2nd round | Yeon Woo Ku | Sonja Zhiyenbayeva | 7-5, 6-3 | | match details | ||
| 02.10.24 | 1st round | Yeon Woo Ku | Alice Gillan | 6-0, 0-6, 6-2 | | match details | ||
| 27.09.24 | 1/4 | Alba Rey Garcia | Yeon Woo Ku | 7-5, 6-3 | | match details | W15 Madrid | Hard |
| 26.09.24 | 2nd round | Yeon Woo Ku | Valentina Losciale | 6-1, 6-1 | | match details | ||
| 25.09.24 | 1st round | Yeon Woo Ku | Shuqian Xu | 6-1, 6-0 | | match details | ||
| 15.09.24 | qual. | Heather Watson | Yeon Woo Ku | 7-5, 6-3 | | match details |  Seoul | Hard |
| 14.09.24 | q 1 | Yeon Woo Ku | Haruka Kaji | 0-6, 6-3, 6-2 | | match details | ||
| 04.09.24 | 1st round | Kira Pavlova | Yeon Woo Ku | 1-6, 6-3, 6-3 | | match details | W100 Incheon | Hard |
| 13.08.24 | 1st round | Naho Sato | Yeon Woo Ku | 7-63, 2-6, 6-3 | | match details |  W35 Aldershot | Hard |
| 08.08.24 | 2nd round | Ayla Aksu | Yeon Woo Ku | 6-4, 4-6, 6-2 | | match details | W35 Roehampton | Hard |
| 06.08.24 | 1st round | Yeon Woo Ku | Miho Kuramochi | 1-6, 6-4, 6-3 | | match details | ||
| 05.08.24 | qual. | Yeon Woo Ku | Grace Piper | 4-6, 6-2, 10-7 | | match details | ||
| 04.08.24 | q 1 | Yeon Woo Ku | Alessia Popescu | 6-1, 6-1 | | match details | ||
| 01.08.24 | 2nd round | Rina Saigo | Yeon Woo Ku | 2-6, 6-2, 6-4 | | match details | W35 Roehampton | Hard |
| 30.07.24 | 1st round | Yeon Woo Ku | Haruka Kaji | 6-3, 6-2 | | match details | ||
| 05.07.24 | 1/4 | Xinxin Yao | Yeon Woo Ku | 6-3, 3-6, 6-0 | | match details |  W35 Hong | Hard |
| 04.07.24 | 2nd round | Yeon Woo Ku | Yexin Ma | 6-1, 6-4 | | match details | ||
| 03.07.24 | 1st round | Yeon Woo Ku | Mao Mushika | 6-2, 6-3 | | match details | ||
| 25.06.24 | 1st round | Gabriella Da Silva Fick | Yeon Woo Ku | 7-66, 7-64 | | match details | .png){kind=small} W35 Taipei | Hard |
| 18.06.24 | 1st round | Lizette Cabrera | Yeon Woo Ku | 6-4, 6-4 | | match details | W35 Taipei | Hard |
| 05.06.24 | 1st round | Petra Hule | Yeon Woo Ku | 7-64, 6-4 | | match details | W35 Daegu | Hard |
| 30.05.24 | 2nd round | Haruka Kaji | Yeon Woo Ku | 2-6, 6-3, 6-3 | | match details | W35 Changwon | Hard |
| 29.05.24 | 1st round | Yeon Woo Ku | Han Shi | 5-7, 6-3, 6-0 | | match details | ||
| 27.05.24 | qual. | Yeon Woo Ku | Dabin Kim | 1-6, 7-65, 10-4 | | match details | ||
| 27.05.24 | q 2 | Yeon Woo Ku | On Yu Choi | 6-0, 6-1 | | match details | ||
| 26.05.24 | q 1 | Yeon Woo Ku | Han Hyeongju | 6-1, 6-2 | | match details | ||
| 23.05.24 | 2nd round | Hina Inoue | Yeon Woo Ku | 7-5, 7-5 | | match details | W50 Goyang | Hard |
| 21.05.24 | 1st round | Yeon Woo Ku | Eudice Wong Chong | 6-3, 7-65 | | match details | ||
| 20.05.24 | qual. | Yeon Woo Ku | Yidi Yang | 6-4, 6-3 | | match details | ||
| 19.05.24 | q 1 | Yeon Woo Ku | Kahyeon Han | 6-1, 6-0 | | match details | ||
| 10.04.24 | Rubber 1 | Yeon Woo Ku | En Shuo Liang | 6-4, 4-6, 6-4 | | match details |  Billie Jean | Hard |
| 09.04.24 | Rubber 1 | Yeon Woo Ku | Valentina Ivanov | 6-4, 6-4 | | match details | ||
| 27.03.24 | qual. | Ya-Hsuan Lee | Yeon Woo Ku | 6-4, 3-6, 6-3 | | match details | W50 Kofu | Hard |
| 24.03.24 | q 1 | Yeon Woo Ku | Elena Malygina | 6-3, 6-2 | | match details | ||
| 14.03.24 | 2nd round | Polina Iatcenko | Yeon Woo Ku | 1-6, 6-1, 6-1 | | match details |  W35 Indore | Hard |
| 13.03.24 | 1st round | Yeon Woo Ku | Aanya Choubey | 6-1, 6-0 | | match details | ||
| 03.03.24 | fin | Justina Mikulskyte | Yeon Woo Ku | 6-0, 6-1 | | match details | W35 Gurugram | Hard |
| 02.03.24 | 1/2 | Yeon Woo Ku | Ankita Raina | 7-64, 6-3 | | match details | ||
| 01.03.24 | 1/4 | Yeon Woo Ku | Zhibek Kulambayeva | 6-0, 6-3 | | match details | ||
| 29.02.24 | 2nd round | Yeon Woo Ku | Fanny Ostlund | 4-6, 6-2, 7-5 | | match details | ||
| 28.02.24 | 1st round | Yeon Woo Ku | Madhurima Sawant | 6-0, 6-2 | | match details | ||
| 05.02.24 | qual. | Mio Mushika | Yeon Woo Ku | 7-62, 6-4 | | match details | W75 Burnie | Hard |
| 04.02.24 | q 1 | Yeon Woo Ku | Ana Prso | 6-0, 6-0 | | match details | ||
| 29.01.24 | qual. | Elena Micic | Yeon Woo Ku | 0-6, 6-2, 7-5 | | match details | W75 Burnie | Hard |
| 28.01.24 | q 1 | Yeon Woo Ku | Angelina Graovac | 6-2, 6-0 | | match details | ||
| 11.01.24 | 2nd round | Katie Swan | Yeon Woo Ku | 6-2, 6-2 | | match details |  W50 Nonthaburi | Hard |
| 10.01.24 | 1st round | Yeon Woo Ku | Anna Siskova | 7-5, 7-65 | | match details | ||
| 08.01.24 | qual. | Yeon Woo Ku | Elena Milovanovic | 6-4, 6-4 | | match details | ||
| 07.01.24 | q 1 | Yeon Woo Ku | Chihiro Muramatsu | 6-3, 6-2 | | match details | ||
| 01.01.24 | qual. | Ekaterina Maklakova | Yeon Woo Ku | 6-3, 1-6, 6-5, Yeon Woo Ku - retired | | match details | W50 Nonthaburi | Hard |
| 31.12.23 | q 1 | Yeon Woo Ku | Zhibek Kulambayeva | 7-5, 6-2 | | match details | ||
| 29.11.23 | 2nd round | Ayano Shimizu | Yeon Woo Ku | 6-0, 6-4 | | match details | W40 Yokohama | Hard |
| 28.11.23 | 1st round | Yeon Woo Ku | Remika Ohashi | 6-3, 6-2 | | match details | ||
| 27.11.23 | qual. | Yeon Woo Ku | Hina Nishi | 6-1, 6-0 | | match details | ||
| 26.11.23 | q 1 | Yeon Woo Ku | Ramu Ueda | 6-0, 3-6, 6-0 | | match details | ||
| 20.11.23 | q 1 | Aliona Falei | Yeon Woo Ku | 6-2, 1-6, 6-3 | | match details | W100 Takasaki | Hard |
| 25.10.23 | 1st round | Chengyiyi Yuan | Yeon Woo Ku | 6-4, 6-73, 6-3 | | match details | W25 Qian | Hard |
| 09.10.23 | 1st round | Claire Liu | Yeon Woo Ku | 6-3, 6-3 | | match details | Seoul | Hard |
| 08.10.23 | qual. | Yeon Woo Ku | Ya-Hsuan Lee | 6-1, 3-6, 6-4 | | match details | ||
| 07.10.23 | q 1 | Yeon Woo Ku | Sohyun Park | 7-62, 4-1, Sohyun Park - retired | | match details | ||
| 22.08.23 | 1st round | Lesley Pattinama Kerkhove | Yeon Woo Ku | 6-2, 6-4 | | match details | W25 Vigo | Hard |
| 21.08.23 | qual. | Yeon Woo Ku | Fangran Tian | 6-3, 6-4 | | match details | ||
| 20.08.23 | q 1 | Yeon Woo Ku | Patricija Paukstyte | 7-5, 7-64 | | match details | ||
| 17.08.23 | 2nd round | Joanna Garland | Yeon Woo Ku | 6-3, 6-3 | | match details | W25 Aldershot | Hard |
| 16.08.23 | 1st round | Yeon Woo Ku | Urszula Radwanska | 6-0, 6-2 | | match details | ||
| 10.08.23 | 2nd round | Arina Rodionova | Yeon Woo Ku | 6-2, 6-2 | | match details | W25 Roehampton | Hard |
| 08.08.23 | 1st round | Yeon Woo Ku | Pemra Ozgen | 7-5, 6-3 | | match details | ||
| 07.08.23 | qual. | Yeon Woo Ku | Patricia Maria Tig | 6-78, 7-63, 10-6 | | match details | ||
| 06.08.23 | q 1 | Yeon Woo Ku | Madison Frahn | 6-3, 6-0 | | match details | ||
| 24.07.23 | 1st round | Sebastianna Scilipoti | Yeon Woo Ku | 6-3, 6-1 | | match details | W25 El | Hard |
| 19.07.23 | 2nd round | Harmony Tan | Yeon Woo Ku | 0-6, 6-4, 6-3 | | match details | W40 Porto | Hard |
| 18.07.23 | 1st round | Yeon Woo Ku | Kolie Allen | 6-2, 6-3 | | match details | ||
| 12.07.23 | 1st round | Maddison Inglis | Yeon Woo Ku | 6-3, 4-6, 6-4 | | match details | W25 Corroios | Hard |
| 10.07.23 | qual. | Yeon Woo Ku | Maria Garcia | 6-0, 6-2 | | match details | ||
| 09.07.23 | q 1 | Yeon Woo Ku | Tenika Mcgiffin | 6-1, 6-0 | | match details | ||
| 06.06.23 | 1st round | Pei-Chi Lee | Yeon Woo Ku | 3-6, 6-4, 6-3 | | match details | W25 Daegu | Hard |
| 02.06.23 | 2nd round | Xiaodi You | Yeon Woo Ku | 6-1, 6-3 | | match details | W25 Changwon | Hard |
| 31.05.23 | 1st round | Yeon Woo Ku | Mananchaya Sawangkaew | 6-1, 6-3 | | match details | ||
| 25.05.23 | 2nd round | Kyoka Okamura | Yeon Woo Ku | 6-3, 6-4 | | match details | W25 Goyang | Hard |
| 23.05.23 | 1st round | Yeon Woo Ku | Dabin Kim | 6-3, 2-6, 6-4 | | match details | ||
| 17.05.23 | 1st round | Haruna Arakawa | Yeon Woo Ku | 2-6, 6-4, 6-1 | | match details | W25 Incheon | Hard |
| 01.05.23 | qual. | Mei Yamaguchi | Yeon Woo Ku | 6-4, 7-65 | | match details | W80 Gifu | Hard |
| 01.05.23 | q 1 | Yeon Woo Ku | Nanari Katsumi | 6-1, 6-1 | | match details | ||
| 15.04.23 | Rutuja Bhosale | Yeon Woo Ku | 7-5, 2-6, 6-2 | | match details |  Billie Jean | Hard | |
| 13.04.23 | Mananchaya Sawangkaew | Yeon Woo Ku | 7-65, 1-6, 6-2 | | match details | |||
| 11.04.23 | Moyuka Uchijima | Yeon Woo Ku | 6-4, 7-64 | | match details | |||
| 09.01.23 | qual. | Aoi Ito | Yeon Woo Ku | 4-6, 6-1, 6-3 | | match details | W40 Nonthaburi | Hard |
| 08.01.23 | q 1 | Yeon Woo Ku | Anastasia Sukhotina | 7-5, 6-4 | | match details | ||
| 05.01.23 | 2nd round | Dalila Jakupovic | Yeon Woo Ku | 7-64, 4-6, 6-0 | | match details | W40 Nonthaburi | Hard |
| 04.01.23 | 1st round | Yeon Woo Ku | Hong Yi Cody Wong | 6-1, 6-4 | | match details | ||
| 02.01.23 | qual. | Yeon Woo Ku | Mananchaya Sawangkaew | 4-6, 6-4, 6-3 | | match details | ||
| 01.01.23 | q 1 | Yeon Woo Ku | Honoka Kobayashi | 6-4, 6-2 | | match details | ||
| 18.11.22 | 1/4 | Lena Papadakis | Yeon Woo Ku | 6-3, 6-2 | | match details | W25 Funchal | Hard |
| 17.11.22 | 2nd round | Yeon Woo Ku | Aurora Zantedeschi | 7-66, 6-3 | | match details | ||
| 16.11.22 | 1st round | Yeon Woo Ku | Maria Mateas | 1-6, 6-3, 6-3 | | match details | ||
| 04.11.22 | 1/4 | Anastasia Kovaleva | Yeon Woo Ku | 6-3, 3-6, 7-5 | | match details |  W25 Jerusalem | Hard |
| 03.11.22 | 2nd round | Yeon Woo Ku | Sofia Shapatava | 6-73, 6-2, 6-3 | | match details | ||
| 02.11.22 | 1st round | Yeon Woo Ku | Arlinda Rushiti | 4-6, 6-3, 6-4 | | match details | ||
| 19.10.22 | 1st round | Cagla Buyukakcay | Yeon Woo Ku | 3-6, 6-1, 7-61 | | match details | W25 Loule | Hard |
| 11.10.22 | 1st round | Eden Silva | Yeon Woo Ku | 6-76, 6-4, 7-63 | | match details | W25 Quinta | Hard |
| 18.09.22 | qual. | Jana Fett | Yeon Woo Ku | 6-4, 6-4 | | match details | Seoul | Hard |
| 17.09.22 | q 1 | Yeon Woo Ku | Natalija Stevanovic | 6-3, 4-6, 6-0 | | match details | ||
| 17.08.22 | 1st round | Xiaodi You | Yeon Woo Ku | 1-6, 6-2, 7-5 | | match details | W25 Ourense | Hard |
| 02.08.22 | 1st round | Joanna Garland | Yeon Woo Ku | 6-2, 6-1 | | match details | W25 Foxhills | Hard |
| 28.07.22 | 1/4 | Jenny Duerst | Yeon Woo Ku | 7-5, 7-5 | | match details | W25 Nottingham | Hard |
| 27.07.22 | 2nd round | Yeon Woo Ku | Eliz Maloney | 6-1, 6-2 | | match details | ||
| 26.07.22 | 1st round | Yeon Woo Ku | Alice Robbe | 6-4, 6-4 | | match details | ||
| 21.07.22 | 2nd round | Jessika Ponchet | Yeon Woo Ku | 6-1, 6-1 | | match details | W60 Vitoria | Hard |
| 20.07.22 | 1st round | Yeon Woo Ku | Ioana Loredana Rosca | 6-1, 7-5 | | match details | ||
| 18.07.22 | qual. | Yeon Woo Ku | Mana Ayukawa | 6-3, 6-2 | | match details | ||
| 17.07.22 | q 1 | Yeon Woo Ku | Lidia Moreno Arias | 7-5, 6-0 | | match details | ||
| 04.05.22 | 1st round | Katarina Stresnakova | Yeon Woo Ku | 6-3, 1-6, 6-4 | | match details | W25 Nottingham | Hard |
| 21.04.22 | 2nd round | Hina Inoue | Yeon Woo Ku | 6-1, 6-1 | | match details | W25 Nottingham | Hard |
| 20.04.22 | 1st round | Yeon Woo Ku | Lesley Pattinama Kerkhove | 7-5, 6-4 | | match details | ||
| 16.04.22 | 1/2 | Jana Fett | Yeon Woo Ku | 6-3, 3-6, 6-4 | | match details | W25 Nottingham | Hard |
| 15.04.22 | 1/4 | Yeon Woo Ku | Dalila Jakupovic | 6-3, 6-1 | | match details | ||
| 14.04.22 | 2nd round | Yeon Woo Ku | Fanny Stollar | 6-2, 6-3 | | match details | ||
| 12.04.22 | 1st round | Yeon Woo Ku | Ioana Loredana Rosca | 3-6, 6-4, 6-3 | | match details | ||
| 19.11.21 | 1/4 | Chloe Paquet | Yeon Woo Ku | 4-6, 6-2, 6-4 | | match details | W25 Funchal | Hard |
| 18.11.21 | 2nd round | Yeon Woo Ku | Yuriko Miyazaki | 6-2, 6-2 | | match details | ||
| 16.11.21 | 1st round | Yeon Woo Ku | Malene Helgo | 7-64, 6-1 | | match details | ||
| 15.11.21 | qual. | Yeon Woo Ku | Miriam Bianca Bulgaru | 6-1, 6-4 | | match details | ||
| 14.11.21 | q 1 | Yeon Woo Ku | Andra Sutherland | 6-1, 6-0 | | match details | ||
| 17.10.21 | 1/2 | Martha Matoula | Yeon Woo Ku | 2-6, 6-3, 6-3 | | match details |  W15 Sozopol | Hard |
| 15.10.21 | 1/4 | Yeon Woo Ku | Oceane Babel | 6-1, 7-5 | | match details | ||
| 14.10.21 | 2nd round | Yeon Woo Ku | Noel Saidenova | 6-1, 6-4 | | match details | ||
| 13.10.21 | 1st round | Yeon Woo Ku | Gergana Topalova | 6-0, 4-0, Gergana Topalova - retired | | match details | ||
| 10.10.21 | fin | Yeon Woo Ku | Julia Terziyska | 6-4, 6-2 | | match details | W15 Sozopol | Hard |
| 09.10.21 | 1/2 | Yeon Woo Ku | Anna Brogan | 6-1, 6-4 | | match details | ||
| 08.10.21 | 1/4 | Yeon Woo Ku | Sofia Nami Samavati | 6-0, 6-2 | | match details | ||
| 07.10.21 | 2nd round | Yeon Woo Ku | Mihaela Tsoneva | 6-2, 6-1 | | match details | ||
| 06.10.21 | 1st round | Yeon Woo Ku | Valentina Ryser | 6-3, 6-2 | | match details | ||
| 17.07.21 | 1/2 | Georgia Drummy | Yeon Woo Ku | 7-5, 6-2 | | match details | W15 Almada | Hard |
| 15.07.21 | 1/4 | Yeon Woo Ku | Lucie Nguyen Tan | 6-3, 6-2 | | match details | ||
| 14.07.21 | 2nd round | Yeon Woo Ku | Laia Conde Monfort | 6-0, 6-2 | | match details | ||
| 13.07.21 | 1st round | Yeon Woo Ku | Himari Sato | 6-1, 6-3 | | match details | ||
| 25.03.21 | 2nd round | Joanne Zuger | Yeon Woo Ku | 6-4, 6-3 | | match details |  W15 Sharm | Hard |
| 24.03.21 | 1st round | Yeon Woo Ku | Elizabeth Mandlik | 6-4, 6-2 | | match details | ||
| 23.03.21 | qual. | Yeon Woo Ku | Shelly Bereznyak | 6-4, 6-4 | | match details | ||
| 22.03.21 | q 2 | Yeon Woo Ku | Izabela Gabriela Novac | 6-0, 6-1 | | match details | ||
| 21.03.21 | q 1 | Yeon Woo Ku | Elizaveta Dementyeva | 6-1, 6-0 | | match details | ||
| 16.03.21 | qual. | Jenna Defalco | Yeon Woo Ku | 7-5, 7-5 | | match details | W15 Sharm | Hard |
| 15.03.21 | q 2 | Yeon Woo Ku | Lea Magun | 6-0, 6-3 | | match details | ||
| 14.03.21 | q 1 | Yeon Woo Ku | Nicol Benesova | 6-1, 6-0 | | match details | ||
| 10.03.21 | 1st round | Momoko Kobori | Yeon Woo Ku | 7-5, 6-4 | | match details | W15 Sharm | Hard |
| 13.02.21 | 1/2 | Laura Pigossi | Yeon Woo Ku | 3-6, 6-4, 6-4 | | match details | W15 Villena | Hard |
| 12.02.21 | 1/4 | Yeon Woo Ku | Rosa Vicens Mas | 6-4, 7-61 | | match details | ||
| 11.02.21 | 2nd round | Yeon Woo Ku | Leolia Jeanjean | 7-63, 6-3 | | match details | ||
| 09.02.21 | 1st round | Yeon Woo Ku | Eva Vedder | 3-6, 7-61, 6-0 | | match details | ||
| 03.02.21 | 1st round | Sina Herrmann | Yeon Woo Ku | 6-1, 6-1 | | match details | W15 Manacor | Hard |
| 02.02.21 | qual. | Yeon Woo Ku | Lucia Cortez Llorca | 6-1, 6-3 | | match details | ||
| 01.02.21 | q 2 | Yeon Woo Ku | Nastasja Mariana Schunk | 2-6, 6-3, 10-2 | | match details | ||
| 31.01.21 | q 1 | Yeon Woo Ku | Julia Klimovicz | 6-1, 6-1 | | match details | ||
| 26.01.21 | q 2 | Alice Robbe | Yeon Woo Ku | 6-74, 6-3, 10-8 | | match details | W15 Manacor | Hard |
| 24.01.21 | q 1 | Yeon Woo Ku | Anna Paradisi | 6-0, 6-0 | | match details | ||
| 19.01.21 | qual. | Valentina Ryser | Yeon Woo Ku | 3-6, 6-3, 10-4 | | match details | W15 Manacor | Hard |
| 18.01.21 | q 2 | Yeon Woo Ku | Jillian Louise Roa | 6-0, 6-0 | | match details | ||
| 17.01.21 | q 1 | Yeon Woo Ku | Rachel Gailis | 5-7, 6-3, 10-7 | | match details | ||
| 26.01.20 | 1st round | Hong Yi Cody Wong | Yeon Woo Ku | 4-6, 7-5, 6-4 | | match details | Australian Open | Hard |
| 18.10.19 | 1/4 | Mananchaya Sawangkaew | Yeon Woo Ku | 6-1, 6-1 | | match details | W15 Hua | Hard |
| 17.10.19 | 2nd round | Yeon Woo Ku | Nadezda Khalturina | 6-2, 6-2 | | match details | ||
| 16.10.19 | 1st round | Yeon Woo Ku | Zhibek Kulambayeva | 6-0, 6-2 | | match details | ||
| 04.09.19 | 1st round | Seung-Yeon Hong | Yeon Woo Ku | 6-4, 0-1, Yeon Woo Ku - retired | | match details | W15 Yeongwol | Hard |
| 31.08.19 | 1/2 | Yeon Woo Ku | Da Hye Kim | 6-4, 6-3 | | match details | W15 Yeongwol | Hard |
| 31.08.19 | fin | Yeon Woo Ku | Watsachol Sawatdee | 3-6, 6-3, 6-2 | | match details | ||
| 30.08.19 | 1/4 | Yeon Woo Ku | Amber Marshall | 6-0, 3-6, 7-5 | | match details | ||
| 29.08.19 | 2nd round | Yeon Woo Ku | Eunhye Lee | 6-3, 6-1 | | match details | ||
| 28.08.19 | 1st round | Yeon Woo Ku | Jiho Shin | 6-1, 6-3 | | match details | ||
| 22.05.19 | 1st round | Jacqueline Cabaj Awad | Yeon Woo Ku | 7-5, 6-76, 7-62 | | match details | W25 Goyang | Hard |
| 21.05.19 | qual. | Yeon Woo Ku | Seung-Yeon Hong | 6-0, 6-2 | | match details | ||
| 20.05.19 | q 1 | Yeon Woo Ku | Isabella Bozicevic | 6-1, 6-0 | | match details | ||
| 13.05.19 | q 1 | Emily Fanning | Yeon Woo Ku | 1-6, 6-2, 11-9 | | match details | W25 Changwon | Hard |
| 20.01.19 | 1st round | Priska Madelyn Nugroho | Yeon Woo Ku | 6-3, 6-77, 6-4 | | match details | Australian Open | Hard |
| 07.05.18 | q 1 | Yeon Woo Ku | Do Hee Bae | 7-62, 6-3 | | match details | Goyang | Hard |
| 07.05.18 | q 2 | Dabin Kim | Yeon Woo Ku | 7-61, 6-4 | | match details | ||
| 14.06.17 | 1st round | Ju-Eun Kim | Yeon Woo Ku | 6-4, 6-4 | | match details | Gimcheon | Hard |
| 12.06.17 | qual. | Yeon Woo Ku | Sinhee Kim | 6-1, Sinhee Kim - retired | | match details | ||
| 12.06.17 | q 1 | Yeon Woo Ku | Dayeon Back | 6-1, 6-2 | | match details | ||
| 12.06.17 | q 2 | Yeon Woo Ku | Yexin Ma | 6-3, 6-2 | | match details | ||
| 15.05.17 | q 1 | Yujin Ahn | Yeon Woo Ku | 7-68, 2-6, 6-3 | | match details | Incheon | Hard |
| 08.05.17 | q 1 | Yeon Woo Ku | Jun Sein | 6-1, 6-1 | | match details | Changwon | Hard |
| 08.05.17 | q 2 | Sohyun Park | Yeon Woo Ku | 6-4, 6-4 | | match details |
