2023 Oeiras Indoors II – Singles

Joris De Loore was the defending champion but lost in the final to Arthur Fils.

Singles
2023 Oeiras Indoors II
Champion	Arthur Fils
Runner-up	Joris De Loore
Score	6–1, 7–6(7–4)

Main article: 2023 Oeiras Indoors II

Fils won the title after defeating De Loore 6–1, 7–6^(7–4) in the final.

Seeds

1. Ričardas Berankis (semifinals)
2. Jay Clarke (second round)
3. Matteo Gigante (first round)
4. Arthur Fils (champion)
5. Hamad Međedović (first round)
6. Harold Mayot (first round)
7. Nikolás Sánchez Izquierdo (first round)
8. Steven Diez (first 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
	1	Ričardas Berankis	5	3
	4	Arthur Fils	7	6
								4	Arthur Fils	6	77
								SE	Joris De Loore	1	64
		Pierre-Hugues Herbert	2	4
	SE	Joris De Loore	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Berankis	77	6
		M Valkusz	63	1				1	R Berankis	5	6	6
	Q	M Lajal	4	4r					L Gerch	7	4	4
		Lucas Gerch	6	5											1	R Berankis	7	78
		E Karlovskiy	0	0r											Q	D Prižmić	5	66
	Q	D Prižmić	6	3				Q	D Prižmić	2	6	6
	Q	S Fanselow	6	3	6			Q	S Fanselow	6	2	2
	6	H Mayot	2	6	4																	1	R Berankis	5	3
	4	A Fils	6	0	6																	4	A Fils	7	6
		L Wessels	3	6	2			4	A Fils	7	6
		J Domingues	2	3				Q	C İlkel	5	2
	Q	C İlkel	6	6											4	A Fils	6	6
		L Neumayer	2	2												M Neuchrist	3	1
	WC	G Oliveira	6	6				WC	G Oliveira	64	3
		M Neuchrist	4	6	7				M Neuchrist	77	6
	8	S Diez	6	3	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	N Sánchez Izquierdo	63	3
	WC	P Sousa	77	6				WC	P Sousa	3	7	6
	Q	G Décamps	61	77	4				P Martín Tiffon	6	5	4
		Pol Martín Tiffon	77	65	6										WC	P Sousa	1	4
		A Dougaz	4	5												P-H Herbert	6	6
		FC Jianu	6	7					FC Jianu	6	3	2
		P-H Herbert	3	6	6				P-H Herbert	3	6	6
	3	M Gigante	6	4	4																		P-H Herbert	2	4
	5	H Međedović	64	3																		SE	J De Loore	6	6
	SE	J De Loore	77	6				SE	J De Loore	6	6
		V Vacherot	5	4					R Collignon	4	3
		R Collignon	7	6											SE	J De Loore	6	6
	Q	Elmar Ejupovic	4	5												L Giustino	2	4
		L Giustino	6	7					L Giustino	6	77
	WC	J Faria	4	3				2	J Clarke	3	64
	2	J Clarke	6	6

External links

• Main draw
• Qualifying draw