Singles
2023 Guangzhou International Challenger
Final
Champion	Térence Atmane
Runner-up	Marc Polmans
Score	4–6, 7–6(9–7), 6–4
Events
Singles Doubles
← 2016 · Guangzhou International Challenger · 2024 →

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

Térence Atmane won the title after defeating Marc Polmans 4–6, 7–6^(9–7), 6–4 in the final.

	Semifinals							Final
	5	Térence Atmane	6	6
	4	Bu Yunchaokete	3	4
								5	Térence Atmane	4	79	6
								2	Marc Polmans	6	67	4
	7	Evgeny Donskoy	3	4
	2	Marc Polmans	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	C O'Connell	78	6
		Dominik Palán	66	2				1	C O'Connell	6	6
		F Peliwo	63	1				Q	A Kadhe	4	2
	Q	A Kadhe	77	6											1	C O'Connell	5	3
	WC	Y Mo	3	3											5	T Atmane	7	6
		Alafia Ayeni	6	6					A Ayeni	62	61
		L Giustino	0	6	3			5	T Atmane	77	77
	5	T Atmane	6	4	6																	5	T Atmane	6	6
	4	Y Bu	6	6																		4	Y Bu	3	4
	Q	Yin Bang-shuo	2	3				4	Y Bu	6	6
		L Saville	6	2	6				L Saville	4	0
		H Moriya	3	6	4										4	Y Bu	7	6
	Q	Sun Qian	1	2												D Sweeny	5	3
		D Sweeny	6	6					D Sweeny	77	7
		E Zhu	3	2				6	R Noguchi	61	5
	6	R Noguchi	6	6

	First round							Second round							Quarterfinals							Semifinals
	7	E Donskoy	6	77
		A Bellier	4	62				7	E Donskoy	6	4	6
		A Kachmazov	6	6					A Kachmazov	2	6	2
	WC	Z Li	3	4											7	E Donskoy	3	77	6
		A Bolt	7	2	66											O Jasika	6	65	2
		O Jasika	5	6	78				O Jasika	6	5
	Q	Mikalai Haliak	79	1	2			3	J Shang	3	0r
	3	J Shang	67	6	6																	7	E Donskoy	3	4
	8	L Tu	6	2	6																	2	M Polmans	6	6
		N Chappell	1	6	2			8	L Tu	64	6	6
	WC	Mu Tao	2	6	1			Q	A Wang	77	2	3
	Q	A Wang	6	1	6										8	L Tu	3	4
	Q	L Castelnuovo	1	2											2	M Polmans	6	6
		C Sinclair	6	6					C Sinclair	4	4
	Alt	A Weber	65	5				2	M Polmans	6	6
	2	M Polmans	77	7

• Main draw
• Qualifying draw