The 2022 Korea Open (also known for sponsorship purposes as the 2022 Eugene Korea Open Tennis Championships for the men's tournament and the 2022 Hana Bank Korea Open for the women's tournament) was a combined ATP Tour and WTA Tour tennis tournament took place at the Olympic Park Tennis Center in Seoul, South Korea on outdoor hard courts from 19 to 25 September 2022 for the women and from 26 September to 2 October 2022 for the men.

The tournament was a WTA 250 event on the 2022 WTA Tour (after being a WTA 125 level tournament in 2021), and a ATP Tour 250 event on the 2022 ATP Tour after several tournaments in China were cancelled because of the ongoing COVID-19 pandemic.

This is Nishioka's first title of the season and the second of his career.

This is Alexandrova's second title of the season and third of her career.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following players received entry as lucky losers: The following pairs received wildcards into the doubles main draw: The following pair received entry as alternates: The following players received wildcards into the singles main draw: The following players received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: The following pairs received wildcards into the doubles main draw: