2018 Korea Open (tennis)
| 2018 Korea Open | |
|---|---|
| Date | 17 – 23 September |
| Edition | 15th |
| Category | WTA International |
| Draw | 32S / 16D |
| Prize money | $250,000 |
| Surface | Hard |
| Location | Seoul, South Korea |
| Venue | Seoul Olympic Park Tennis Center |
| Champions | |
| Singles | |
 Kiki Bertens | |
| Doubles | |
 Choi Ji-hee / Han Na-lae | |
The 2018 Korea Open (also known as the 2018 KEB Hana Bank Korea Open for sponsorship purposes) was a women's professional tennis tournament played on hard courts. It was the 15th edition of the tournament, and part of the 2018 WTA Tour. It took place in Seoul, South Korea between 17 and 23 September 2018.
Points and prize money
Point distribution
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 |
|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 | — | — | — | — |
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | $43,000 | $21,400 | $11,500 | $6,175 | $3,400 | $2,100 | $1,020 | $600 |
| Doubles * | $12,300 | $6,400 | $3,435 | $1,820 | $960 | — | — | — |
* per team
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 LAT
|
Jeļena Ostapenko | 10 | 1 |
| NED
|
Kiki Bertens | 12 | 2 |
 GRE
|
Maria Sakkari | 31 | 3 |
 SVK
|
Magdaléna Rybáriková | 34 | 4 |
 BEL
|
Alison Van Uytvanck | 38 | 5 |
 TPE
|
Hsieh Su-wei | 39 | 6 |
 ROU
|
Irina-Camelia Begu | 53 | 7 |
| BEL
|
Kirsten Flipkens | 56 | 8 |
- 1 Rankings are as of September 10, 2018
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
Withdrawals
Sorana Cîrstea → replaced by 
Luksika Kumkhum
Ekaterina Makarova → replaced by 
Bethanie Mattek-Sands
Tatjana Maria → replaced by 
Dalila Jakupović
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| ROU
|
Irina-Camelia Begu | ROU
|
Raluca Olaru | 77 | 1 |
 SLO
|
Dalila Jakupović |  CRO
|
Darija Jurak | 104 | 2 |
 AUS
|
Ellen Perez | AUS
|
Arina Rodionova | 196 | 3 |
 GER
|
Mona Barthel |  SWE
|
Johanna Larsson | 202 | 4 |
- 1 Rankings are as of September 10, 2018
Other entrants
The following pairs received wildcards into the doubles main draw:
Champions
Singles
Kiki Bertens def. 
Ajla Tomljanović 7–6(7–2), 4–6, 6–2
Doubles
Choi Ji-hee / Han Na-lae def. 
Hsieh Shu-ying / Hsieh Su-wei 6–3, 6–2