2018 Korea Open – Singles

Singles
2018 Korea Open
Champion	Kiki Bertens
Runner-up	Ajla Tomljanović
Final score	7–6(7–2), 4–6, 6–2

Jeļena Ostapenko was the defending champion, but lost in the second round to Ekaterina Alexandrova.

Kiki Bertens won the title, defeating Ajla Tomljanović in the final, 7–6^(7–2), 4–6, 6–2.

Seeds

Draw

Finals

	Semifinals							Final
	6	Hsieh Su-wei	4	7	4
		Ajla Tomljanović	6	5	6
									Ajla Tomljanović	62	6	2
								2	Kiki Bertens	77	4	6
	3	Maria Sakkari	4	2
	2	Kiki Bertens	6	6

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	J Ostapenko	6	6
		L Arruabarrena	3	3				1	J Ostapenko	3	2
		J Larsson	1	2					E Alexandrova	6	6
		E Alexandrova	6	6												E Alexandrova	0	1
	WC	J-h Choi	3	6	4										6	S-w Hsieh	6	6
		S Vögele	6	2	6				S Vögele	2	1
	Q	J Teichmann	6	1	60			6	S-w Hsieh	6	6
	6	S-w Hsieh	2	6	77																	6	S-w Hsieh	4	7	4
	4	M Rybáriková	3	2r																			A Tomljanović	6	5	6
	PR	M Minella	6	3				PR	M Minella	6	6
	Q	P Hon	3	6	6			Q	P Hon	4	3
	WC	S-j Jang	6	2	2										PR	M Minella	2	6	5
		P Hercog	1	3												A Tomljanović	6	4	7
		T Zidanšek	6	6					T Zidanšek	6	1	3
		A Tomljanović	3	7	7				A Tomljanović	2	6	6
	5	A Van Uytvanck	6	5	5

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	7	I-C Begu	7	6
	Q	M Barthel	5	4				7	I-C Begu	6	6
	PR	B Mattek-Sands	4	5					A Radwańska	4	3
		A Radwańska	6	7											7	I-C Begu	3	6	4
	Q	V Flink	5	4											3	M Sakkari	6	4	6
	PR	M Gasparyan	7	6				PR	M Gasparyan	2	2
		AK Schmiedlová	0	1				3	M Sakkari	6	6
	3	M Sakkari	6	6																		3	M Sakkari	4	2
	8	K Flipkens	6	6																		2	K Bertens	6	6
	WC	S-h Park	0	2				8	K Flipkens	4	6	5
		E Rodina	6	6					E Rodina	6	4	7
	Q	D Radanović	1	1												E Rodina	6	3	0
		D Jakupović	3	6	6										2	K Bertens	3	6	6
	Q	N-l Han	6	4	3				D Jakupović	4	5
		L Kumkhum	67	2				2	K Bertens	6	7
	2	K Bertens	79	6

Qualifying

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Mona Barthel	6	6
	WC	Hanna Chang	1	3
								1	Mona Barthel	6	6
								7	Sílvia Soler Espinosa	3	4
		Peangtarn Plipuech	3	0
	7	Sílvia Soler Espinosa	6	6

Second qualifier

	First Round							Qualifying Competition
	2	Arantxa Rus	6	78
	WC	Kim Da-bin	2	66
								2	Arantxa Rus	1	6	66
								11	Varvara Flink	6	3	78
	WC	Jeong Su-nam	2	6	0
	11	Varvara Flink	6	3	6

Third qualifier

	First Round							Qualifying Competition
	3	Jil Teichmann	6	6
		Amandine Hesse	4	0
								3	Jil Teichmann	6	4	7
								8	Bibiane Schoofs	4	6	5
		Ellen Perez	0	4
	8	Bibiane Schoofs	6	6

Fourth qualifier

	First Round							Qualifying Competition
	4	Arina Rodionova	77	0	2
		Mai Minokoshi	63	6	6
									Mai Minokoshi	1	4
								10	Dejana Radanović	6	6
	WC	Lee So-ra	6	2	1
	10	Dejana Radanović	2	6	6

Fifth qualifier

	First Round							Qualifying Competition
	5	Harriet Dart	6	1	5
		Han Na-lae	0	6	7
									Han Na-lae	7	6
								PR	Barbora Štefková	5	3
	PR	Barbora Štefková	6	6
	12	Nina Stojanović	1	1

Sixth qualifier

	First Round							Qualifying Competition
	6	Priscilla Hon	6	6
		Zhang Yuxuan	4	4
								6	Priscilla Hon	77	6
									Katy Dunne	65	2
		Katy Dunne	2	6	6
	9	Jaimee Fourlis	6	2	2

References

• Main Draw
• Qualifying Draw