2022 AON Open Challenger – Singles

Lorenzo Sonego was the defending champion^[1] but chose not to defend his title.

Singles
2022 AON Open Challenger
Champion	Thiago Monteiro
Runner-up	Andrea Pellegrino
Score	6–1, 7–6(7–2)

Main article: 2022 AON Open Challenger

Thiago Monteiro won the title after defeating Andrea Pellegrino 6–1, 7–6^(7–2) in the final.

Seeds

1. Albert Ramos Viñolas (quarterfinals)
2. Thiago Monteiro (champion)
3. Corentin Moutet (second round)
4. Dušan Lajović (semifinals)
5. Pablo Andújar (second round)
6. Federico Delbonis (first round)
7. Francesco Passaro (second round)
8. Marco Cecchinato (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Andrea Pellegrino	6	77
	4	Dušan Lajović	4	60
									Andrea Pellegrino	1	62
								2	Thiago Monteiro	6	77
	Alt	Adrian Andreev	2	4
	2	Thiago Monteiro	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	A Ramos Viñolas	2	77	6
	Q	Martin Krumich	6	63	0			1/WC	A Ramos Viñolas	3	6	6
		A Vavassori	3	6	77				A Vavassori	6	3	3
		M Marterer	6	4	62										1/WC	A Ramos Viñolas	6	65	62
		G Zeppieri	6	1	3											A Pellegrino	2	77	77
		A Pellegrino	2	6	6				A Pellegrino	6	6
		A Giannessi	4	6	2			5	P Andújar	4	2
	5	P Andújar	6	4	6																		A Pellegrino	6	77
	4	D Lajović	6	77																		4	D Lajović	4	60
		G Mager	4	64				4	D Lajović	6	6
	Q	Gabriele Piraino	3	6	6			Q	G Piraino	3	2
	Q	M Martineau	6	3	4										4	D Lajović	6	6
	Q	Sandro Kopp	5	2											8	M Cecchinato	2	2
		M Arnaldi	7	6					M Arnaldi	4	5
	Alt	L Neumayer	4	3				8	M Cecchinato	6	7
	8	M Cecchinato	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	F Passaro	7	6
	WC	F Arnaboldi	5	4				7	F Passaro	2	6	1
	LL	Oscar José Gutierrez	1	2					R Brancaccio	6	3	6
		R Brancaccio	6	6												R Brancaccio	2	4
	Alt	A Andreev	77	1	6										Alt	A Andreev	6	6
		S Caruso	63	6	4			Alt	A Andreev	3	78	6
	WC	G Ferrari	2	78	3			3	C Moutet	6	66	4
	3	C Moutet	6	66	6																	Alt	A Andreev	2	4
	6	F Delbonis	6	3	4																	2	T Monteiro	6	6
	PR	S Ofner	3	6	6			PR	S Ofner	2	6	6
	Q	M Gigante	6	1	6			Q	M Gigante	6	1	3
		A Vatutin	1	6	1										PR	S Ofner	77	4	64
	Q	Andrey Chepelev	3	6	4										2	T Monteiro	64	6	77
		D Kuzmanov	6	2	6				D Kuzmanov	64	3
		S Travaglia	6	2	4			2	T Monteiro	77	6
	2	T Monteiro	4	6	6