2018 Korea Open – Doubles
# 2018 Korea Open – Doubles

Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose not to participate. Larsson played alongside Mona Barthel, but lost in the semifinals to Hsieh Shu-ying and Hsieh Su-wei.

Choi Ji-hee and Han Na-lae won the title, defeating Hsieh and Hsieh in the final, 6–3, 6–2.

## Seeds

* Irina-Camelia Begu / Raluca Olaru (quarterfinals)
* Dalila Jakupović / Darija Jurak (quarterfinals)
* Ellen Perez / Arina Rodionova (semifinals)
* Mona Barthel / Johanna Larsson (semifinals)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | I-C Begu R Olaru | 6 | $7^7$ | | | | | | | | | | | | | | | |
| | J Cako N Geuer | 4 | $6^5$ | | 1 | I-C Begu R Olaru | 6 | 1 | [8] | | | | | | | | | |
| | S-y Hsieh S-w Hsieh | 6 | 6 | | | S-y Hsieh S-w Hsieh | 3 | 6 | [10] | | | | | | | | | |
| | AK Schmiedlová T Zidanšek | 4 | 4 | | | | | | | | S-y Hsieh S-w Hsieh | 3 | 6 | [12] | | | | |
| 4 | M Barthel J Larsson | 6 | $7^7$ | | | | | | | 4 | M Barthel J Larsson | 6 | 1 | [10] | | | | |
| | C Škamlová E Wacanno | 4 | $6^5$ | | 4 | M Barthel J Larsson | $7^7$ | 3 | [10] | | | | | | | | | |
| WC | S-j Jang N-r Kim | 2 | $6^4$ | | | L Kumkhum P Plipuech | $6^4$ | 6 | [8] | | | | | | | | | |
| | L Kumkhum P Plipuech | 6 | $7^7$ | | | | | | | | | | | | | S-y Hsieh S-w Hsieh | 3 | 2 |
| | H Dart B Schoofs | 5 | 1 | | | | | | | | | | | | WC | J-h Choi N-l Han | 6 | 6 |
| | B Štefková R Voráčová | 7 | 6 | | | B Štefková R Voráčová | 0 | 4 | | | | | | | | | | |
| | C Liang Q Ye | 4 | 1 | | 3 | E Perez Ar Rodionova | 6 | 6 | | | | | | | | | | |
| 3 | E Perez Ar Rodionova | 6 | 6 | | | | | | | 3 | E Perez Ar Rodionova | 1 | 1 | | | | | |
| | P Hon Y Sizikova | 3 | $7^7$ | [4] | | | | | | WC | J-h Choi N-l Han | 6 | 6 | | | | | |
| WC | J-h Choi N-l Han | 6 | $6^2$ | [10] | WC | J-h Choi N-l Han | 7 | 4 | [10] | | | | | | | | | |
| | A Rus N Stojanović | $0^r$ | | | 2 | D Jakupović D Jurak | 5 | 6 | [5] | | | | | | | | | |
| 2 | D Jakupović D Jurak | 2 | | | | | | | | | | | | | | | | |
