Singles
2023 AON Open Challenger
Champion	Thiago Seyboth Wild
Runner-up	Fabio Fognini
Score	6–2, 7–6(7–3)

Thiago Monteiro was the defending champion^[1] but lost in the semifinals to Fabio Fognini.

Thiago Seyboth Wild won the title after defeating Fognini 6–2, 7–6^(7–3) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	5	Thiago Monteiro	2	4
	7	Fabio Fognini	6	6
								7	Fabio Fognini	2	63
								3	Thiago Seyboth Wild	6	77
	3	Thiago Seyboth Wild	4
	8	Andrea Vavassori	3r

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Shevchenko	2	79	6
	WC	Marcello Serafini	6	67	3			1	A Shevchenko	6	5	1
	Q	C-h Tseng	6	6				Q	C-h Tseng	3	7	6
	Q	Federico Iannaccone	2	0											Q	C-h Tseng	2	1
		F Maestrelli	3	6	3										5	T Monteiro	6	6
	Q	L Rottoli	6	3	6			Q	L Rottoli	3	2
		S Travaglia	2	6	4			5	T Monteiro	6	6
	5	T Monteiro	6	1	6																	5	T Monteiro	2	4
	4	Z Piros	77	6																		7	F Fognini	6	6
		A Pellegrino	60	3				4	Z Piros	6	3	6
		K Jacquet	4	0					F Passaro	3	6	2
		F Passaro	6	6											4	Z Piros	4	4
		S Caruso	3	6	3										7	F Fognini	6	6
	Q	G Oradini	6	1	6			Q	G Oradini	0	3
		V Vacherot	5	4				7	F Fognini	6	6
	7	F Fognini	7	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	B Paire	77	4	3
	LL	M Zekić	62	6	6			LL	M Zekić	3	4
		M Gigante	3	1					S Napolitano	6	6
		S Napolitano	6	6												S Napolitano	5	3
	WC	Enrico Dalla Valle	0	6	1										3	T Seyboth Wild	7	6
	Q	Andrea Picchione	6	1	6			Q	A Picchione	4	67
		R Bonadio	6	65	1			3	T Seyboth Wild	6	79
	3	T Seyboth Wild	4	77	6																	3	T Seyboth Wild	4
	8	A Vavassori	77	6																		8	A Vavassori	3r
		D Ajduković	63	2				8	A Vavassori	6	6
	WC	G Fonio	65	6	3				F Agamenone	1	2
		F Agamenone	77	4	6										8	A Vavassori	6	6
	Q	H Habib	6	77											2	F Coria	0	3
		ND Ionel	3	65				Q	H Habib	4	3
		N Serdarušić	5	4				2	F Coria	6	6
	2	F Coria	7	6

References

External links

• Main draw
• Qualifying draw