2025 Open de Oeiras II – Singles

Singles
2025 Open de Oeiras II
Champion	Cristian Garín
Runner-up	Mitchell Krueger
Score	7–6(7–3), 4–6, 6–2

Elmer Møller was the defending champion^[1] but withdrew from the tournament before his first round match.

Cristian Garín won the title after defeating Mitchell Krueger 7–6^(7–3), 4–6, 6–2 in the final.^[2]

	Semifinals							Final
		Mitchell Krueger	6	6
		Hady Habib	4	2
									Mitchell Krueger	63	6	2
									Cristian Garín	77	4	6
	8	Román Andrés Burruchaga	77	3	4
		Cristian Garín	65	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	T Monteiro	2	2
		M Krueger	6	6					M Krueger	3	6	6
	Q	D Mérida	6	7				Q	D Mérida	6	1	2
	Q	A Vatutin	4	5												M Krueger	6	6
		C Taberner	4	6	6										PR	Y Wu	4	4
	Alt	P Cachin	6	4	1				C Taberner	6	2	0
	PR	Y Wu	77	4	6			PR	Y Wu	3	6	6
	5	T Boyer	64	6	2																		M Krueger	6	6
	LL	E Vasa	6	6																			H Habib	4	2
	LL	J Domingues	3	0				LL	E Vasa	5	65
		N Moreno de Alboran	3	2					H Habib	7	77
		H Habib	6	6												H Habib	6	6
	Alt	GA Olivieri	2	78	3										7	TA Tirante	1	3
		S Mochizuki	6	66	0r			Alt	GA Olivieri	3	6	2
	Q	Ryan Nijboer	6	2	1			7	TA Tirante	6	1	6
	7	TA Tirante	2	6	6

	First round							Second round							Quarterfinals							Semifinals
	8	RA Burruchaga	6	6
		J McCabe	3	3				8	RA Burruchaga	6	6
		J Trotter	6	6					J Trotter	4	2
		S Gueymard Wayenburg	4	4											8	RA Burruchaga	7	4	6
	Q	G Zeppieri	79	6											Q	G Zeppieri	5	6	1
	WC	Tiago Pereira	67	3				Q	G Zeppieri	77	6
	WC	Pedro Araújo	1	7	3			3	C Eubanks	64	3
	3	C Eubanks	6	5	6																	8	RA Burruchaga	77	3	4
	6	F Meligeni Alves	1	0r																			C Garín	65	6	6
	Alt	E Ymer	6	3				Alt	E Ymer	4	1
		C Garín	6	6					C Garín	6	6
		JP Ficovich	2	3												C Garín	6	77
	Q	L Riedi	6	2r											WC	G Elias	3	64
	WC	G Elias	3	5				WC	G Elias	69	6	7
		H Rocha	6	6					H Rocha	711	4	5
	Q	K de Schepper	2	3

• Main draw
• Qualifying draw