Singles
2023 Busan Open
Champion	Aleksandar Vukic
Runner-up	Max Purcell
Score	6–4, 1–0 ret.

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

Aleksandar Vukic won the title after Max Purcell retired trailing 4–6, 0–1 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Max Purcell	6	7
	8	Gabriel Diallo	4	5
								1	Max Purcell	4	0r
								6	Aleksandar Vukic	6	1
		Brandon Holt	64	1
	6	Aleksandar Vukic	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Purcell	6	6
	Q	Yuki Mochizuki	3	3				1	M Purcell	6	6
	Q	Renta Tokuda	64	3					Y-h Hsu	2	4
		Y-h Hsu	77	6											1	M Purcell	6	7
	WC	H Chung	3	77	2										Q	Y Uchiyama	4	5
	Q	Y Uchiyama	6	63	6			Q	Y Uchiyama	6	3	6
	Alt	O Jasika	78	3	2			5	R Hijikata	4	6	4
	5	R Hijikata	66	6	6																	1	M Purcell	6	7
	3	J Thompson	6	6																		8	G Diallo	4	5
	Alt	D Masur	1	1				3	J Thompson	7	6
		E Donskoy	7	3	6				E Donskoy	5	3
		Y Shimizu	5	6	0										3	J Thompson	3	5
	WC	Y-s Chung	7	6											8	G Diallo	6	7
		T-l Wu	5	2				WC	Y-s Chung	65	64
	WC	J-s Nam	3	3				8	G Diallo	77	77
	8	G Diallo	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	K Uchida	2	4
		A Çelikbilek	6	6					A Çelikbilek	4	65
		Y Bu	4	4					L Tu	6	77
		L Tu	6	6												L Tu	4	4
		R Berankis	63	3												B Holt	6	6
	Q	L Saville	77	6				Q	L Saville	3	3
		B Holt	6	6					B Holt	6	6
	4	E Gómez	2	2																			B Holt	64	1
	6	A Vukic	77	6																		6	A Vukic	77	6
		L Harris	65	3				6	A Vukic	77	6
		S Shimabukuro	62	6	7				S Shimabukuro	61	4
	Q	H Moriya	77	2	5										6	A Vukic	64	77	6
	Q	J Jung	6	3											2	C Eubanks	77	63	4
		S-c Hong	2	0r				Q	J Jung	4	3
		M Polmans	6	3	66			2	C Eubanks	6	6
	2	C Eubanks	4	6	78

References

External links

• Main draw
• Qualifying draw