2019 Seoul Open Challenger – Singles

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

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

Main article: 2019 Seoul Open Challenger

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.

1. Jordan Thompson (withdrew)
2. Ričardas Berankis (third round)
3. Sergiy Stakhovsky (third round)
4. Brayden Schnur (second round)
5. Lukáš Lacko (third round)
6. Jason Jung (second round)
7. Marcos Baghdatis (second round)
8. Evgeny Donskoy (third round)
9. Alex Bolt (quarterfinals)
10. Ramkumar Ramanathan (third round)
11. Kwon Soon-woo (champion)
12. Tatsuma Ito (quarterfinals)
13. Nikola Milojević (semifinals)
14. Ruben Bemelmans (second round)
15. Hiroki Moriya (second round)
16. Yūichi Sugita (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

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