2024 Open de Oeiras – Singles

Facundo Díaz Acosta was the defending champion^[1] but chose not to defend his title.

Singles
2024 Open de Oeiras
Champion	Francisco Comesaña
Runner-up	Ugo Blanchet
Score	6–4, 3–6, 7–5

Main article: 2024 Open de Oeiras

Francisco Comesaña won the title after defeating Ugo Blanchet 6–4, 3–6, 7–5 in the final.^[2]

Seeds

1. Fabio Fognini (second round)
2. Thiago Monteiro (first round)
3. Zsombor Piros (withdrew)
4. Francisco Comesaña (champion)
5. Emilio Nava (second round)
6. Térence Atmane (second round)
7. Nicolas Moreno de Alboran (first round)
8. Juan Manuel Cerúndolo (first round)
9. Jesper de Jong (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Ugo Blanchet	6	6
	Q	Valentin Royer	4	2
									Ugo Blanchet	4	6	5
								4	Francisco Comesaña	6	3	7
	4	Francisco Comesaña	5	77	6
	WC	Jaime Faria	7	64	0

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Fognini	4	6	6
		J De Loore	6	4	4			1	F Fognini	5	6	65
	SE	J Kovalík	61	2				SE	S Napolitano	7	4	77
	SE	S Napolitano	77	6											SE	S Napolitano	6	1	4
		U Blanchet	6	77												U Blanchet	4	6	6
		H Rocha	3	61					U Blanchet	6	77
	Q	Mathys Erhard	6	3	2			5	E Nava	4	63
	5	E Nava	4	6	6																		U Blanchet	6	6
	9	J de Jong	6	6																		Q	V Royer	4	2
	Q	G Onclin	3	2				9	J de Jong	2	3
	Q	V Royer	6	5	6			Q	V Royer	6	6
	Q	A Andreev	0	7	4										Q	V Royer	79	1	6
		F Agamenone	6	3	6											D Novak	67	6	3
		G Blancaneaux	3	6	3				F Agamenone	3	1
		D Novak	6	6					D Novak	6	6
	8	JM Cerúndolo	3	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	N Moreno de Alboran	5	5
	Q	Samuel Vincent Ruggeri	7	7				Q	S Vincent Ruggeri	6	6
	WC	G Elias	6	1				WC	G Elias	2	3
	LL	M Kaśnikowski	1	1r											Q	S Vincent Ruggeri	3	4
		V Sachko	4	0r											4	F Comesaña	6	6
		E Ymer	6	0					E Ymer	6	4	66
		S Rodríguez Taverna	2	7	3			4	F Comesaña	1	6	78
	4	F Comesaña	6	5	6																	4	F Comesaña	5	77	6
	6	T Atmane	2	6	6																	WC	J Faria	7	64	0
		B Harris	6	3	4			6	T Atmane	1	0
		V Gaubas	7	2	6				V Gaubas	6	6
	WC	F Ferreira Silva	5	6	3											V Gaubas	4	65
		Q Halys	6	63	2										WC	J Faria	6	77
	Q	C-h Tseng	4	77	6			Q	C-h Tseng	2	3
	WC	J Faria	6	3	77			WC	J Faria	6	6
	2	T Monteiro	2	6	62