2023 Seoul Open Challenger – Singles

Singles
2023 Seoul Open Challenger
Champion	Bu Yunchaokete
Runner-up	Aleksandar Vukic
Score	7–6(7–4), 6–4

Main article: 2023 Seoul Open Challenger

Li Tu was the defending champion but lost in the first round to Emilio Gómez.

Bu Yunchaokete won the title after defeating Aleksandar Vukic 7–6^(7–4), 6–4 in the final.

Seeds

1. Max Purcell (second round)
2. Christopher Eubanks (quarterfinals)
3. Jordan Thompson (second round)
4. James Duckworth (second round)
5. Emilio Gómez (second round)
6. Rinky Hijikata (quarterfinals)
7. Aleksandar Vukic (final)
8. Denis Kudla (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
		Bu Yunchaokete	77	6
	Q	Yasutaka Uchiyama	64	4
									Bu Yunchaokete	77	6
								7	Aleksandar Vukic	64	4
	WC	Chung Yun-seong	65	1
	7	Aleksandar Vukic	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Purcell	6	6
	Q	J-s Nam	3	4				1	M Purcell	1	3
		S-c Hong	6	6					S-c Hong	6	6
	Q	T Ito	3	2												S-c Hong	4	4
		A Çelikbilek	6	3	1											Y Bu	6	6
		Y Bu	3	6	6				Y Bu	6	61	6
		L Tu	64	5				5	E Gómez	4	77	3
	5	E Gómez	77	7																			Y Bu	77	6
	4	J Duckworth	77	1	6																	Q	Y Uchiyama	64	4
	Q	D-h Lee	64	6	1			4	J Duckworth	4	2
	Q	M Sasikumar	4	713	0			Q	Y Uchiyama	6	6
	Q	Y Uchiyama	6	611	6										Q	Y Uchiyama	6	4	6
		M Polmans	6	6											8	D Kudla	3	6	1
	WC	J-m Lee	3	2					M Polmans	7	4	3
	PR	T-S Kwiatkowski	1	0				8	D Kudla	5	6	6
	8	D Kudla	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	R Hijikata	6	77
		S Shimabukuro	4	63				6	R Hijikata	6	6
	Alt	E Donskoy	4	6	6			Alt	E Donskoy	3	4
		B Holt	6	4	2										6	R Hijikata	2	3
	WC	Y-s Chung	6	6											WC	Y-s Chung	6	6
	Q	P Gojowczyk	2	3				WC	Y-s Chung	6	6
	WC	Hy Chung	2	4				3	J Thompson	4	3
	3	J Thompson	6	6																		WC	Y-s Chung	65	1
	7	A Vukic	77	77																		7	A Vukic	77	6
		L Harris	63	60				7	A Vukic	6	65	6
		C İlkel	77	2	4				R Berankis	3	77	1
		R Berankis	62	6	6										7	A Vukic	7	6
		G Diallo	6	6											2	C Eubanks	5	3
		Y-h Hsu	2	3					G Diallo	6	3	2
		Y Shimizu	3	6	5			2	C Eubanks	2	6	6
	2	C Eubanks	6	3	7

External links

• Main draw
• Qualifying draw