2025 Olbia Challenger – Singles

Singles
2025 Olbia Challenger
Champion	Luca Van Assche
Runner-up	Pablo Carreño Busta
Score	7–6(7–5), 6–7(1–7), 6–2

Martín Landaluce was the defending champion^[1] but lost in the semifinals to Pablo Carreño Busta.^[2]

Luca Van Assche won the title after defeating Carreño Busta 7–6^(7–5), 6–7^(1–7), 6–2 in the final.^[3]

Key

	Semifinals							Final
	6	Pablo Carreño Busta	6	3	6
	3	Martín Landaluce	2	6	3
								6	Pablo Carreño Busta	65	77	2
									Luca Van Assche	77	61	6
		Hugo Grenier	6	1	1
		Luca Van Assche	3	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	A Tabilo	4	6	77
	Q	Lorenzo Carboni	6	3	64			1	A Tabilo	6	5	6
	Q	D Glinka	77	6				Q	D Glinka	3	7	1
	Q	C Tabur	64	3											1	A Tabilo	3	6	63
		A Galarneau	64	3											6	P Carreño Busta	6	1	77
		L Pavlovic	77	6					L Pavlovic	6	1	2
	WC	Pierluigi Basile	2	77	3			6	P Carreño Busta	3	6	6
	6	P Carreño Busta	6	65	6																	6	P Carreño Busta	6	3	6
	3	M Landaluce	7	7																		3	M Landaluce	2	6	3
		J Engel	5	5				3	M Landaluce	6	3	6
		B Gojo	7	6					B Gojo	3	6	3
	WC	F Forti	5	4											3	M Landaluce	6	6
		A Molčan	6	6											7	D Lajović	3	1
	Alt	M Gengel	2	4					A Molčan	66	4
	Q	Michele Ribecai	2	6	1			7	D Lajović	78	6
	7	D Lajović	6	4	6

	First round							Second round							Quarterfinals							Semifinals
	5	R Carballés Baena	2	5
		N Fatić	6	7					N Fatić	3	6	6
		D Added	5	5				WC	CA Caniato	6	3	3
	WC	CA Caniato	7	7												N Fatić	3	4
	Q	N Gombos	6	64	6											H Grenier	6	6
		F Maestrelli	1	77	4			Q	N Gombos	64	1
		H Grenier	3	6	6				H Grenier	77	6
	4	N Basavareddy	6	4	2																		H Grenier	6	1	1
	8	M Echargui	4	2																			L Van Assche	3	6	6
		E Butvilas	6	6					E Butvilas	6	3	6
	Q	T Paris	2	0				NG	A Géa	4	6	3
	NG	A Géa	6	6												E Butvilas	3	5
	Alt	S Travaglia	5	6	3											L Van Assche	6	7
		L Van Assche	7	1	6				L Van Assche	6	6
	LL	E Dalla Valle	3	4				2	V Kopřiva	3	2
	2	V Kopřiva	6	6

• Main draw
• Qualifying draw