2023 Sardegna Open – Singles

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

Singles
2023 Sardegna Open
Champion	Ugo Humbert
Runner-up	Laslo Djere
Score	4–6, 7–5, 6–4

Main article: 2023 Sardegna Open

Ugo Humbert won the title after defeating Laslo Djere 4–6, 7–5, 6–4 in the final.

Seeds

The top four seeds received a bye into the second round.

1. Yoshihito Nishioka (second round)
2. Ben Shelton (semifinals)
3. Mackenzie McDonald (second round)
4. Laslo Djere (final)
5. Diego Schwartzman (first round)
6. Ugo Humbert (champion)
7. Marco Cecchinato (withdrew)
8. Thiago Monteiro (first round, retired)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Daniel Elahi Galán	2	63
	6	Ugo Humbert	6	77
								6	Ugo Humbert	4	7	6
								4	Laslo Djere	6	5	4
	4	Laslo Djere	3	6	6
	2	Ben Shelton	6	3	4

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	Y Nishioka	6	1	4
	WC	F Cobolli	7	1	2				DE Galán	2	6	6
		DE Galán	5	6	6											DE Galán	6	4	6
	Q	S Travaglia	3	78	4											B Gojo	3	6	3
		B Gojo	6	66	6				B Gojo	6	7
		Y Watanuki	6	4					Y Watanuki	4	5
	8	T Monteiro	4	2r																			DE Galán	2	63
																						6	U Humbert	6	77
								3	M McDonald	2	3
		A Kovacevic	1	6	1				T Daniel	6	6
		T Daniel	6	4	6											T Daniel	713	67	4
	WC	F Maestrelli	67	4											6	U Humbert	611	79	6
	LL	A Pellegrino	79	6				LL	A Pellegrino	77	1	1r
	Q	G Mager	4	3				6	U Humbert	62	6	3
	6	U Humbert	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	Q	A Giannessi	3	79	6
		F Passaro	6	67	4			Q	A Giannessi	4	2
		T Kokkinakis	6	6					T Kokkinakis	6	6
		N Basilashvili	4	3												T Kokkinakis	6	1	1
	Q	S Diez	62	4											4	L Djere	3	6	6
	Alt	J Kovalík	77	6				Alt	J Kovalík	4	2
								4	L Djere	6	6
																						4	L Djere	3	6	6
	5	D Schwartzman	6	2	3																	2	B Shelton	6	3	4
	Alt	M Bellucci	2	6	6			Alt	M Bellucci	2	0
	WC	A Vavassori	60	6	4				G Zeppieri	6	6
		G Zeppieri	77	4	6											G Zeppieri	4	6	5
	Alt	L Nardi	3	6	4										2	B Shelton	6	4	7
	Alt	F Marozsán	6	4	6			Alt	F Marozsán	4	66
								2	B Shelton	6	78