Singles
2019 Seoul Open Challenger
Champion	Kwon Soon-woo
Runner-up	Max Purcell
Score	7–5, 7–5

Mackenzie McDonald was the defending champion but chose not to defend his title.^[1]

Kwon Soon-woo won the title after defeating Max Purcell 7–5, 7–5 in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
		Yasutaka Uchiyama	4	78	5
	11	Kwon Soon-woo	6	66	7
								11	Kwon Soon-woo	77	6
									Wu Tung-lin	64	3
		Wu Tung-lin	7	6
	9	Alex Bolt	5	4
															11	Kwon Soon-woo	7	7
																Max Purcell	5	5
		Li Zhe	4	5
	13	Nikola Milojević	6	7
								13	Nikola Milojević	2	0
									Max Purcell	6	6
	12	Tatsuma Ito	78	62	3
		Max Purcell	66	77	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								Alt	S Balaji	77	3	4
		C İlkel	3	6	3				Y Uchiyama	65	6	6
		Y Uchiyama	6	1	6											Y Uchiyama	6	6
		S Robert	6	2	4											Y-s Chung	4	4
		Y-s Chung	1	6	6				Y-s Chung	6	6
								16	Y Sugita	2	3
																							Y Uchiyama	4	78	5
																						11	S-w Kwon	6	66	7
								11	S-w Kwon	6	6
	ITF	Shintaro Imai	6	6				ITF	S Imai	3	2
	WC	Ho Chung	1	3											11	S-w Kwon	77	6
	ITF	Y Bai	6	6											8	E Donskoy	62	3
	Q	Jacob Grills	4	1				ITF	Y Bai	6	3	3
								8	E Donskoy	4	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	B Schnur	1	78	2
		K Uchida	6	1	4				T-l Wu	6	66	6
		T-l Wu	4	6	6											T-l Wu	6	7
	LL	Xia Zihao	4	1												S Myneni	4	5
		S Myneni	6	6					S Myneni	6	6
								15	H Moriya	2	1
																							T-l Wu	7	6
																						9	A Bolt	5	4
								9	A Bolt	77	63	6
		G Soeda	6	4	4				T-h Yang	65	77	3
		T-h Yang	2	6	6										9	A Bolt	77	6
		A Santillan	d													A Santillan	64	3
	ITF	Y Hossam							A Santillan	6	5	77
								6	J Jung	3	7	63

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	M Baghdatis	4	2
	ITF	M Echargui	2	4					Z Li	6	6
		Z Li	6	6												Z Li	6	65	78
	Q	J-s Nam	7	6											10	R Ramanathan	4	77	66
		D-h Lee	5	1				Q	J-s Nam	3	66
								10	R Ramanathan	6	78
																							Z Li	4	5
																						13	N Milojević	6	7
								13	N Milojević	61	6	6
	WC	Kim Dong-ju	2	2				WC	J-m Lee	77	3	3
	WC	J-m Lee	6	6											13	N Milojević	6	77
	ITF	R Noguchi	3	6	6										3	S Stakhovsky	2	65
	WC	S-c Hong	6	4	0			ITF	R Noguchi	1	4
								3	S Stakhovsky	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								5	L Lacko	6	6
		S Mukund	2	4					L Saville	3	4
		L Saville	6	6											5	L Lacko	4	1
	WC	Shin San-hui	2	0											12	T Ito	6	6
		F Peliwo	6	6					F Peliwo	5	2
								12	T Ito	7	6
																						12	T Ito	78	62	3
																							M Purcell	66	77	6
								14	R Bemelmans	2	64
		M Banes	64	3					M Purcell	6	77
		M Purcell	77	6												M Purcell	4	6	6
		A Šetkić	7	77											2	R Berankis	6	4	3
		G Oliveira	5	64					A Šetkić	4	6	4
								2	R Berankis	6	3	6

References

External links

• Main draw
• Qualifying draw