Singles
2023 Maia Challenger
Final
Champion	Nuno Borges
Runner-up	Benoît Paire
Score	6–1, 6–4
Events
Singles Doubles
← 2022 · Maia Challenger · 2024 →

Luca Van Assche was the defending champion^[1] but chose not to defend his title.

Nuno Borges won the title after defeating Benoît Paire 6–1, 6–4 in the final.

	Semifinals							Final
	1	Nuno Borges	77	6
		Matteo Martineau	65	4
								1	Nuno Borges	6	6
								3	Benoît Paire	1	4
	3	Benoît Paire	6	7
		Maxime Janvier	2	5

	First round							Second round							Quarterfinals							Semifinals
	1	N Borges	6	77
		M Safwat	4	65				1	N Borges	6	6
		M Geerts	63	6	1				E Dalla Valle	2	0
		E Dalla Valle	77	4	6										1	N Borges	2	78	6
		S Fanselow	6	3	4										6	A Vavassori	6	66	3
	Q	K Friberg	3	6	6			Q	K Friberg	2	3
	Q	A Vatutin	1	66				6	A Vavassori	6	6
	6	A Vavassori	6	78																		1	N Borges	77	6
	4	F Fognini	67	6	7																		M Martineau	65	4
	Q	Tom Gentzsch	79	3	5			4	F Fognini
		M Martineau	6	6					M Martineau	w/o
	LL	Miguel Damas	1	2												M Martineau	6	6
		A Giannessi	4	77	2										Q	A Matusevich	2	2
		H Rocha	6	65	6				H Rocha	62	4
	Q	A Matusevich	4	6	6			Q	A Matusevich	77	6
	7	C Hemery	6	3	3

	First round							Second round							Quarterfinals							Semifinals
	5	E Ymer	63	6	6
		M Trungelliti	77	2	4			5	E Ymer	6	67	6
		D Yevseyev	6	77					D Yevseyev	4	79	3
	LL	S Sakellaridis	2	65											5	E Ymer	6	3	3
	Q	Pedro Araújo	2	3											3	B Paire	3	6	6
	WC	J Faria	6	6				WC	J Faria	79	3	3
	WC	D Vale	2	4				3	B Paire	67	6	6
	3	B Paire	6	6																		3	B Paire	6	7
	8	R Bonadio	3	3																			M Janvier	2	5
	WC	Francisco Rocha	6	6				WC	F Rocha	4	2
	Q	Andrea Guerrieri	3	2					M Janvier	6	6
		M Janvier	6	6												M Janvier	6	6
		J Sousa	6	3	6										2	A Ramos Viñolas	2	4
		FC Jianu	3	6	1				J Sousa	4	63
		J Kovalík	4	3				2	A Ramos Viñolas	6	77
	2	A Ramos Viñolas	6	6

• Main draw
• Qualifying draw

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