The Korea Open (Korean: 코리아오픈테니스대회) is a professional tennis tournament held in Seoul, South Korea. The women's edition started in 2004 as a WTA International tournament and was played at the Seoul Olympic Park Tennis Center on outdoor hardcourts. In 2012 and 2013, it was sponsored by Korea Development Bank (formerly sponsored by Hansol).[1] In 2014, Kia Motors was the sponsor. 
In 2020, the tournament was cancelled due to the COVID-19 pandemic. In 2021, it was originally scheduled as a WTA 250 event in September, but was later postponed and rescheduled to December as a WTA 125 tournament and indoor event.[2] 
In 2022, the women's edition returned as a WTA 250 tournament and the sole edition of the men's ATP World Tour 250 event also took place.[3] The women's event continued and in 2024 was upgraded to a WTA 500 event. 
  Past finals
 Men's singles
  Women's singles
    | Year | Champion | Runner-up | Score | 
  | 2004 |  Maria Sharapova |  Marta Domachowska | 6–1, 6–1 | 
  | 2005 |  Nicole Vaidišová | .svg.png) Jelena Janković | 7–5, 6–3 | 
  | 2006 |  Eleni Daniilidou |  Ai Sugiyama | 6–3, 2–6, 7–6(7–3) | 
  | 2007 |  Venus Williams |  Maria Kirilenko | 6–3, 1–6, 6–4 | 
  | 2008 |  Maria Kirilenko | .svg.png) Samantha Stosur | 2–6, 6–1, 6–4 | 
  | 2009 |  Kimiko Date-Krumm |  Anabel Medina Garrigues | 6–3, 6–3 | 
  | 2010 |  Alisa Kleybanova |  Klára Zakopalová | 6–1, 6–3 | 
  | 2011 |  María José Martínez Sánchez |  Galina Voskoboeva | 7–6(7–0), 7–6(7–2) | 
  | 2012 |  Caroline Wozniacki |  Kaia Kanepi | 6–1, 6–0 | 
  | 2013 |  Agnieszka Radwańska |  Anastasia Pavlyuchenkova | 6–7(6–8), 6–3, 6–4 | 
  | 2014 |  Karolína Plíšková |  Varvara Lepchenko | 6–3, 6–7(5–7), 6–2 | 
  | 2015 |  Irina-Camelia Begu |  Aliaksandra Sasnovich | 6–3, 6–1 | 
  | 2016 |  Lara Arruabarrena |  Monica Niculescu | 6–0, 2–6, 6–0 | 
  | 2017 |  Jeļena Ostapenko |  Beatriz Haddad Maia | 6–7(5–7), 6–1, 6–4 | 
  | 2018 |  Kiki Bertens | .svg.png) Ajla Tomljanović | 7–6(7–2), 4–6, 6–2 | 
  | 2019 |  Karolína Muchová |  Magda Linette | 6–1, 6–1 | 
  | 2020 | cancelled due to the COVID-19 pandemic | 
  | ↓ WTA 125 tournament ↓ | 
  | 2021 |  Zhu Lin |  Kristina Mladenovic | 6–0, 6–4 | 
  | ↓ WTA 250 tournament ↓ | 
  | 2022 |  Ekaterina Alexandrova |  Jeļena Ostapenko | 7–6(7–4), 6–0 | 
  | 2023 |  Jessica Pegula |  Yuan Yue | 6–2, 6–3 | 
  | ↓  WTA 500 tournament  ↓ | 
  | 2024 |  Beatriz Haddad Maia |  Daria Kasatkina | 1–6, 6–4, 6–1 | 
 
 Men's doubles
  Women's doubles
    | Year | Champions | Runners-up | Score | 
  | 2004 |  Jeon Mi-ra 
  Cho Yoon-jeong |  Chuang Chia-jung 
  Hsieh Su-wei | 6–3, 1–6, 7–5 | 
  | 2005 |  Chan Yung-jan 
  Chuang Chia-jung |  Jill Craybas 
  Natalie Grandin | 6–2, 6–4 | 
  | 2006 |  Virginia Ruano Pascual 
  Paola Suárez |  Chuang Chia-jung 
  Mariana Díaz Oliva | 6–2, 6–3 | 
  | 2007 |  Chuang Chia-jung  (2) 
  Hsieh Su-wei |  Eleni Daniilidou 
  Jasmin Wöhr | 6–2, 6–2 | 
  | 2008 |  Chuang Chia-jung  (3) 
  Hsieh Su-wei  (2) |  Vera Dushevina 
  Maria Kirilenko | 6–3, 6–0 | 
  | 2009 |  Chan Yung-jan  (2) 
  Abigail Spears |  Carly Gullickson 
 .svg.png) Nicole Kriz | 6–3, 6–4 | 
  | 2010 |  Julia Görges 
  Polona Hercog |  Natalie Grandin 
  Vladimíra Uhlířová | 6–3, 6–4 | 
  | 2011 |  Natalie Grandin 
  Vladimíra Uhlířová |  Vera Dushevina 
  Galina Voskoboeva | 7–6(7–5), 6–4 | 
  | 2012 |  Raquel Kops-Jones 
  Abigail Spears  (2) |  Akgul Amanmuradova 
  Vania King | 2–6, 6–2, [10–8] | 
  | 2013 |  Chan Chin-wei 
  Xu Yifan |  Raquel Kops-Jones 
  Abigail Spears | 7–5, 6–3 | 
  | 2014 |  Lara Arruabarrena 
  Irina-Camelia Begu |  Mona Barthel 
  Mandy Minella | 6–3, 6–3 | 
  | 2015 |  Lara Arruabarrena  (2) 
  Andreja Klepač |  Kiki Bertens 
  Johanna Larsson | 2–6, 6–3, [10-6] | 
  | 2016 |  Johanna Larsson 
 .svg.png) Kirsten Flipkens |  Akiko Omae 
  Peangtarn Plipuech | 6–2, 6–3 | 
  | 2017 |  Kiki Bertens 
  Johanna Larsson (2) |  Luksika Kumkhum 
  Peangtarn Plipuech | 6–4, 6–1 | 
  | 2018 |  Choi Ji-hee 
  Han Na-lae |  Hsieh Shu-ying 
  Hsieh Su-wei | 6–3, 6–2 | 
  | 2019 |  Lara Arruabarrena  (3) 
  Tatjana Maria |  Hayley Carter 
  Luisa Stefani | 7–6(9–7), 3–6, [10–7] | 
  | 2020 | cancelled due to the COVID-19 pandemic | 
  | ↓ WTA 125 tournament ↓ | 
  | 2021 |  Choi Ji-hee (2) 
  Han Na-lae (2) |  Valentini Grammatikopoulou 
  Réka Luca Jani | 6–4, 6–4 | 
  | ↓ WTA 250 tournament ↓ | 
  | 2022 |  Kristina Mladenovic 
 .svg.png) Yanina Wickmayer |  Asia Muhammad 
  Sabrina Santamaria | 6–3, 6–2 | 
  | 2023 |  Marie Bouzková 
  Bethanie Mattek-Sands |  Luksika Kumkhum 
  Peangtarn Plipuech | 6–2, 6–1 | 
  | ↓  WTA 500 tournament  ↓ | 
  | 2024 |  Nicole Melichar-Martinez 
  Liudmila Samsonova |  Miyu Kato 
  Zhang Shuai | 6–1, 6–0 | 
 
 See also
  References
    |  | 
|---|
| Present |  Buenos AiresMarseilleDelray BeachNew Haven / Winston-Salem2009, 2011–present: Kitzbühel2009–2010, 2012–present: Lyon / Montpellier2009–2014, 2017–2019, 2021–present: Eastbourne2009–2014, 2020–present: Viña del Mar / Santiago2009–2019, 2024–present: Brisbane2009–2016, 2024–present: BucharestStuttgartBåstadGstaadUmagStockholmMetz2009–2019, 2022–present: HoustonCasablanca / Marrakech's-Hertogenbosch2009–2020, 2023–present: Auckland2015–2019, 2021–present: Geneva2015–2019, 2023–present: Chengdu2016–present: Antwerp2016–2019, 2021–present: Los Cabos2020, 2022–present: Adelaide2020–2021, 2023–present: Astana/Almaty2021–present: Mallorca2024–present: Hong KongHangzhou2025–present: Athens
 | 
|---|
| Past |  | 
|---|
|  | 
| Previous women's tournament categories | 
|---|
|    |  | 
|---|
 | 2009–2020 |  | 
|---|
 | 2011–2020 |  | 
|---|
 | 2013–2020 |  | 
|---|
 | 2014–2020 |  | 
|---|
 | 2015–2020 |  | 
|---|
 | 2016–2020 |  | 
|---|
 | 2019–2020 |  | 
|---|
 | 2020 |  | 
|---|
 | Defunct |  | 
|---|
 |