2021 Korea Open – Singles

Karolína Muchová was the reigning champion, but chose not to participate.

Singles
2021 Korea Open
Champion	Zhu Lin
Runner-up	Kristina Mladenovic
Score	6–0, 6–4

Main article: 2021 Korea Open

Zhu Lin won her first WTA 125 tournament, defeating Kristina Mladenovic in the final, 6–0, 6–4.

Seeds

1. Kristina Mladenovic (final)
2. Zhu Lin (champion)
3. Réka Luca Jani (second round)
4. Valentini Grammatikopoulou (second round)
5. Arianne Hartono (quarterfinals)
6. Jang Su-jeong (second round)
7. Isabella Shinikova (quarterfinals)
8. Yuki Naito (quarterfinals)

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

Finals

	Semifinals							Final
	1	Kristina Mladenovic	3	7	77
		Ekaterina Kazionova	6	5	64
								1	Kristina Mladenovic	0	4
								2	Zhu Lin	6	6
		Anastasia Kulikova	1	66
	2	Zhu Lin	6	78

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	K Mladenovic	6	5	6
		J-y Seo	1	1					N-l Han	4	7	0
		N-l Han	6	6											1	K Mladenovic	5	6	6
	Alt	J Moon	0	1											8	Y Naito	7	2	4
	WC	B Fruhvirtová	6	6				WC	B Fruhvirtová	4	2
	WC	E-y Park	1	4				8	Y Naito	6	6
	8	Y Naito	6	6																		1	K Mladenovic	3	7	77
																							E Kazionova	6	5	64
								3	RL Jani	5	2
		D-b Kim	2	3					E Kazionova	7	6
		E Kazionova	6	6												E Kazionova	6	5	77
		F Contreras	3	1												L Fruhvirtová	3	7	64
		L Fruhvirtová	6	6					L Fruhvirtová	7	6
	WC	D-y Back	6	3	3			6	S-j Jang	5	3
	6	S-j Jang	3	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	A Hartono	6	6
		C Zhao	2	3				5	A Hartono	6	6
		O-y Choi	3	6	64				J-h Choi	1	1
		J-h Choi	6	4	77										5	A Hartono	2	4
		A Kulikova	6	6												A Kulikova	6	6
		R Bhatia	0	2					A Kulikova	6	6
								4	V Grammatikopoulou	1	2
																							A Kulikova	1	66
	7	I Shinikova	6	6																		2	L Zhu	6	78
		Y-w Jeong	4	1				7	I Shinikova	6	6
		O Tjandramulia	3	2				WC	B-y Jeong	1	0
	WC	B-y Jeong	6	6											7	I Shinikova	3	0
		P Plipuech	1	6	6										2	L Zhu	6	6
		E-h Lee	6	3	4				P Plipuech	1	1
								2	L Zhu	6	6

External links

• Main Draw