2023 Zadar Open – Singles

Singles
2023 Zadar Open
Final
Champion	Alessandro Giannessi
Runner-up	Sebastian Ofner
Score	6–4, 5–7, 7–6(8–6)
Events
Singles Doubles
← 2022 · Zadar Open · 2024 →

Flavio Cobolli was the defending champion^[1] but lost in the semifinals to Sebastian Ofner.

Alessandro Giannessi won the title after defeating Ofner 6–4, 5–7, 7–6^(8–6) in the final.

	Semifinals							Final
	5	Flavio Cobolli	5	5
	4	Sebastian Ofner	7	7
								4	Sebastian Ofner	4	7	66
									Alessandro Giannessi	6	5	78
		Alessandro Giannessi	6	6
		Arthur Cazaux	3	4

	First round							Second round							Quarterfinals							Semifinals
	1	C-h Tseng	6	7
	LL	N Milojević	4	5				1	C-h Tseng	6	1	4
	Q	G Zeppieri	6	6				Q	G Zeppieri	4	6	6
	Q	D Pichler	1	4											Q	G Zeppieri	6	2	1
		FC Jianu	1	64											5	F Cobolli	3	6	6
		D Džumhur	6	77					D Džumhur	6	2	5
	WC	M Poljičak	1	3				5	F Cobolli	3	6	7
	5	F Cobolli	6	6																		5	F Cobolli	5	5
	4	S Ofner	77	2	6																	4	S Ofner	7	7
		N Fatić	61	6	2			4	S Ofner	1	77	6
		M Zekić	6	3	2				DN Mădăraș	6	63	4
		DN Mădăraș	2	6	6										4	S Ofner	6	6
	Q	J Ocleppo	3	6	4											M Gigante	4	1
		M Gigante	6	2	6				M Gigante	6	6
		H Međedović	6	6					H Međedović	1	2
	7	V Kopřiva	4	2

	First round							Second round							Quarterfinals							Semifinals
	8	M Guinard	4	2
		A Giannessi	6	6					A Giannessi	77	6
		N Serdarušić	6	6					N Serdarušić	64	3
		G Mager	4	2												A Giannessi	78	6
	LL	S Caruso	3	77	6											Z Piros	66	2
		K Coppejans	6	64	1			LL	S Caruso	2	3
		Z Piros	6	6					Z Piros	6	6
	3	R Peniston	4	4																			A Giannessi	6	6
	Q	G Fonio	6	4	2																		A Cazaux	3	4
		A Cazaux	4	6	6				A Cazaux	6	6
		T Droguet	4	6	4			WC	D Ajduković	3	4
	WC	D Ajduković	6	3	6											A Cazaux	6	6
	WC	D Prižmić	6	6											WC	D Prižmić	1	1
	Q	M Bašić	1	3				WC	D Prižmić	6	6
	Q	Jeremy Jahn	7	3	2			2	J Kovalík	3	4
	2	J Kovalík	5	6	6

• Main draw
• Qualifying draw