Men's singles
2023 Shenzhen Longhua Open
Final
Champion	Aleksandar Kovacevic
Runner-up	Nuno Borges
Score	7–6(7–4), 7–6(7–5)
Events
Singles men women Doubles men women
← 2019 · Shenzhen Longhua Open · 2024 →

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

Aleksandar Kovacevic won the title after defeating Nuno Borges 7–6^(7–4), 7–6^(7–5) in the final.

	Semifinals							Final
	Q	Egor Gerasimov	2	1
	3	Nuno Borges	6	6
								3	Nuno Borges	64	65
								6	Aleksandar Kovacevic	77	77
	6	Aleksandar Kovacevic	6	79
	2	Pedro Cachin	4	67

	First round							Second round							Quarterfinals							Semifinals
	1	T Kokkinakis	6	3	6
	Q	C Sinclair	2	6	3			1	T Kokkinakis	3	4
		B Zhukayev	6	6					B Zhukayev	6	6
	Q	Z Li	4	4												B Zhukayev	77	2	3
		L Tu	6	4	4										Q	E Gerasimov	64	6	6
	Q	E Gerasimov	4	6	6			Q	E Gerasimov	77	6
		L Giustino	64	3				7	T Atmane	64	3
	7	T Atmane	77	6																		Q	E Gerasimov	2	1
	3	N Borges	7	6																		3	N Borges	6	6
		S Diez	5	2				3	N Borges	6	6
		Y Bu	3	6	2				Y Bu	3	4
		J McCabe	6	3	0r										3	N Borges	77	6
		L Saville	2	5											8	Y-h Hsu	60	0
		C-h Tseng	6	7					C-h Tseng	3	4
	Q	R Te	2	1				8	Y-h Hsu	6	6
	8	Y-h Hsu	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	A Kovacevic	6	6
		P Sekulic	1	4				6	A Kovacevic	6	6
	WC	S Tang	3	4					A Kachmazov	1	4
		A Kachmazov	6	6											6	A Kovacevic	6	6
	WC	Sun Qian	3	3												D Yevseyev	2	4
	Q	J Cui	6	6				Q	J Cui	4	0
		D Yevseyev	6	78					D Yevseyev	6	6
	4/WC	F Fognini	4	66																		6	A Kovacevic	6	79
	5	J Duckworth	6	77																		2	P Cachin	4	67
		K Uchida	0	62				5	J Duckworth	6	5	2
		J Jung	6	2	6				J Jung	3	7	6
		E Donskoy	4	6	4											J Jung	3	4
		Dominik Palán	4	64											2	P Cachin	6	6
		T-l Wu	6	77					T-l Wu	65	77	66
	Q	Y Bai	4	3				2	P Cachin	77	63	78
	2	P Cachin	6	6

• Main draw
• Qualifying draw