Singles
2019 Gwangju Open
Final
Champion	Jason Jung
Runner-up	Dudi Sela
Score	6–4, 6–2
Events
Singles Doubles
← 2018 · Gwangju Open · 2022 →

Maverick Banes was the defending champion^[1] but lost in the first round to Shintaro Imai.

Jason Jung won the title after defeating Dudi Sela 6–4, 6–2 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	13	Li Zhe	6	1	4
	5	Jason Jung	3	6	6
								5	Jason Jung	6	6
									Akira Santillan	4	3
		Akira Santillan	6	6
	7	Lukáš Lacko	4	3
															5	Jason Jung	6	6
															12	Dudi Sela	4	2
	12	Dudi Sela	77	6
	4	Evgeny Donskoy	64	2
								12	Dudi Sela	6	7
								6	Kwon Soon-woo	4	5
	6	Kwon Soon-woo	6	6
		Wu Tung-lin	1	0

	First round							Second round							Third round							Quarterfinals
								Alt	Y Takahashi	1	4
		A Šetkić	1	3					S Mukund	6	6
		S Mukund	6	6												S Mukund	5	64
	ITF	Shintaro Imai	3	6	6										13	Z Li	7	77
		M Banes	6	4	2			ITF	S Imai	3	1
								13	Z Li	6	6
																						13	Z Li	6	1	4
																						5	J Jung	3	6	6
								9	R Bemelmans	77	6
	Alt	Xia Zihao	4	4					F Peliwo	64	2
		F Peliwo	6	6											9	R Bemelmans	2	5
		Evan Song	3	4											5	J Jung	6	7
	Q	M-k Song	6	6				Q	M-k Song	3	2
								5	J Jung	6	6

	First round							Second round							Third round							Quarterfinals
								3	B Schnur	6	63	6
		L Saville	61	6	77				L Saville	2	77	2
		M Neuchrist	77	2	62										3	B Schnur	3	0r
		A Santillan	6	6												A Santillan	6	3
	ITF	Kim Cheong-eui	4	1					A Santillan	6	6
								16	S Myneni	2	1
																							A Santillan	6	6
																						7	L Lacko	4	3
								11	M Purcell	1	77	5
		C İlkel	7	6					C İlkel	6	61	7
		K King	5	2												C İlkel	6	0r
	ITF	Y Bai	77	2	6										7	L Lacko	2	4
	WC	Son Ji-hoon	65	6	3			ITF	Y Bai	66	4
								7	L Lacko	78	6

	First round							Second round							Third round							Quarterfinals
								8	T Ito	3	1r
	WC	S-c Hong	6	63	2			ITF	K Kravchuk	6	2
	ITF	K Kravchuk	3	77	6										ITF	K Kravchuk	1	1
		D Wu	2	4											12	D Sela	6	6
		Roy Smith	6	6					R Smith	0	2
								12	D Sela	6	6
																						12	D Sela	77	6
																						4	E Donskoy	64	2
								15	D-h Lee	4	2
	WC	J-m Lee	65	2					Y-s Chung	6	6
		Y-s Chung	77	6												Y-s Chung	5	4
	Q	C-p Hsieh	6	5	3										4	E Donskoy	7	6
		Makoto Ochi	4	7	6				M Ochi	3	4
								4	E Donskoy	6	6

	First round							Second round							Third round							Quarterfinals
								6	S-w Kwon	6	77
		E King	5	3					L Broady	2	62
		L Broady	7	6											6	S-w Kwon	6	65	6
	WC	J-s Nam	6	6											10	Y Sugita	4	77	4
	ITF	R Noguchi	2	1				WC	J-s Nam	2	2
								10	Y Sugita	6	6
																						6	S-w Kwon	6	6
																							T-l Wu	1	0
								14	K Uchida	1	4
		T-l Wu	6	6					T-l Wu	6	6
		Zh Zhang	3	3												T-l Wu	6	6
		T-h Yang	6	710											2	S Stakhovsky	4	3
	WC	J-w Na	3	68					T-h Yang	4	63
								2	S Stakhovsky	6	77

• Main draw
• Qualifying draw