Singles
2017 Gwangju Open
Champion	Matthias Bachinger
Runner-up	Yang Tsung-hua
Score	6–3, 6–4

Ričardas Berankis was the defending champion but chose not to defend his title.

Matthias Bachinger won the title after defeating Yang Tsung-hua 6–3, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	5	Tatsuma Ito	63	3
		Matthias Bachinger	77	6
									Matthias Bachinger	6	6
								Q	Yang Tsung-hua	3	4
	Q	Yang Tsung-hua	6	5	6
	2	Peter Polansky	4	7	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	9	M Safwat	77	6
		O Jasika	64	3				9	M Safwat	2	4
	LL	Lorenzo Frigerio	3	4					S Diez	6	6
		S Diez	6	6												S Diez	2	4
		T Chen	2	2											5	T Ito	6	6
	PR	B Klahn	6	6				PR	B Klahn	5	6	3
		M Polmans	1	1				5	T Ito	7	1	6
	5	T Ito	6	6																		5	T Ito	63	3
	4	D-h Lee	77	6																			M Bachinger	77	6
	Q	Yuya Kibi	64	2				4	D-h Lee	6	6
	WC	Park Jun-sang	1	0					A Bega	4	3
		A Bega	6	6											4	D-h Lee	3	5
	WC	S-c Hong	6	4	62											M Bachinger	6	7
		L Saville	2	6	77				L Saville	3	4
		M Bachinger	6	77					M Bachinger	6	6
	6	Y Uchiyama	3	65

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	H Moriya	3	4
		J Statham	6	6					J Statham	77	5	1
		Shuichi Sekiguchi	5	64				Q	T-h Yang	65	7	6
	Q	T-h Yang	7	77											Q	T-h Yang	6	77
	Q	M Matosevic	6	0	6										Q	M Matosevic	1	63
	WC	Kim Cheong-eui	3	6	4			Q	M Matosevic	6	4	7
	WC	Sin Dong-hak	5	3				3	M Ebden	3	6	5
	3	M Ebden	7	6																		Q	T-h Yang	6	5	6
	8	S-w Kwon	6	6																		2	P Polansky	4	7	2
		T Niki	4	1				8	S-w Kwon	1	6	6
		Y Takahashi	6	5	3			Q	M Ochi	6	1	0
	Q	Makoto Ochi	3	7	6										8	S-w Kwon	6	4	66
		M Giron	6	78											2	P Polansky	2	6	78
		N Kuhn	4	66					M Giron	4	6	63
	LL	K Takeuchi	2	4				2	P Polansky	6	3	77
	2	P Polansky	6	6

References

• Main Draw
• Qualifying Draw