Singles
2017 Lisboa Belém Open
Champion	Oscar Otte
Runner-up	Taro Daniel
Score	4–6, 6–1, 6–3

This was the first edition of the tournament.

Oscar Otte won the title after defeating Taro Daniel 4–6, 6–1, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Oscar Otte	77	6
		Attila Balázs	63	2
									Oscar Otte	4	6	6
								3	Taro Daniel	6	1	3
	3	Taro Daniel	77	77
		Gianluigi Quinzi	65	65

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Džumhur	6	3	4
	Q	D Muñoz de la Nava	3	6	6			Q	D Muñoz de la Nava	78	3	6
		Petr Michnev	6	3	3				M Donati	66	6	4
		M Donati	2	6	6										Q	D Muñoz de la Nava	3	1
		O Otte	7	4	6											O Otte	6	6
		R Ojeda Lara	5	6	1				O Otte	6	77
	WC	A Gaspar Murta	7	2	2			6	R Carballés Baena	3	61
	6	R Carballés Baena	5	6	6																		O Otte	77	6
	4	S Giraldo	3	3																			A Balázs	63	2
		A Balázs	6	6					A Balázs	6	6
		P Gunneswaran	5	4					J Domingues	4	2
		J Domingues	7	6												A Balázs	77	6
	WC	F Ferreira Silva	6	6												J De Loore	65	3
		G Clezar	2	4				WC	F Ferreira Silva	5	1
		J De Loore	77	6					J De Loore	7	6
	5	G Elias	62	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	R Ramírez Hidalgo	3	4
		G Sakharov	6	6					G Sakharov	6	5	6
	WC	G Oliveira	1	6	77			WC	G Oliveira	3	7	4
	Q	G Escobar	6	3	65											G Sakharov	2	1
		C O'Connell	4	2											3	T Daniel	6	6
	Q	D Dima	6	6				Q	D Dima	62	3
	WC	João Monteiro	3	6	2			3	T Daniel	77	6
	3	T Daniel	6	4	6																	3	T Daniel	77	77
	7	P Sousa	6	6																			G Quinzi	65	65
		N Milojević	1	1				7	P Sousa	2	77	6
		F Coria	6	6					F Coria	6	65	0
		D Popko	3	2											7	P Sousa	6	65	2
		L Harris	6	77												G Quinzi	3	77	6
	Q	H Hurkacz	4	65					L Harris	1	4
		G Quinzi	6	6					G Quinzi	6	6
	2	A Pavlásek	1	3

References

• Main draw
• Qualifying draw