Singles
2019 AON Open Challenger
Champion	Lorenzo Sonego
Runner-up	Alejandro Davidovich Fokina
Score	6–2, 4–6, 7–6(8–6)

Lorenzo Sonego was the defending champion^[1] and successfully defended his title, defeating Alejandro Davidovich Fokina 6–2, 4–6, 7–6^(8–6) in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	1/WC	Lorenzo Sonego	6	6
	6	Stefano Travaglia	2	4
								1/WC	Lorenzo Sonego	6	5	6
								10	Guido Andreozzi	2	7	4
	4/WC	Philipp Kohlschreiber	66	3
	10	Guido Andreozzi	78	6
															1/WC	Lorenzo Sonego	6	4	78
															11	Alejandro Davidovich Fokina	2	6	66
	11	Alejandro Davidovich Fokina	6	6
	14	Taro Daniel	4	4
								11	Alejandro Davidovich Fokina	3	6	6
								2	Albert Ramos Viñolas	6	2	3
	8	Thiago Monteiro	2	4
	2	Albert Ramos Viñolas	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1/WC	L Sonego	6	6
	Q	A Vavassori	6	5	1				Y Hanfmann	1	3
		Y Hanfmann	4	7	6										1/WC	L Sonego	66	77	7
		A Tabilo	6	6											16	J Veselý	78	60	5
		J Choinski	0	2					A Tabilo	5	1
								16	J Veselý	7	6
																						1/WC	L Sonego	6	6
																						6	S Travaglia	2	4
								12	L Giustino	3	2
		S Nagal	1	5				WC	G Zeppieri	6	6
	WC	G Zeppieri	6	7											WC	G Zeppieri	2	2
		T Robredo	2	64											6	S Travaglia	6	6
		F Bagnis	6	77					F Bagnis	6	3	3
								6	S Travaglia	3	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4/WC	P Kohlschreiber	6	6
		F Horanský	3	4				WC	L Musetti	4	4
	WC	L Musetti	6	6											4/WC	P Kohlschreiber	7	7
		J Menezes	0	4												B Zapata Miralles	5	5
		B Zapata Miralles	6	6					B Zapata Miralles	6	6
								15	K Coppejans	2	4
																						4/WC	P Kohlschreiber	66	3
																						10	G Andreozzi	78	6
								10	G Andreozzi	4	6	6
		S Ofner	6	6					S Ofner	6	3	0
		G García López	2	2											10	G Andreozzi	6	7
		R Molleker	7	2	1											F Baldi	3	5
		F Baldi	5	6	6				F Baldi	77	1	6
								5	R Carballés Baena	64	6	1

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	J Munar	3	77	6
		J Domingues	6	1	2				C Berlocq	6	61	4
		C Berlocq	4	6	6										7	J Munar	6	4	3
		A Giannessi	0	0r											11	A Davidovich Fokina	4	6	6
		V Galović	6	2					V Galović	0	4
								11	A Davidovich Fokina	6	6
																						11	A Davidovich Fokina	6	6
																						14	T Daniel	4	4
								14	T Daniel	6	5	6
		M Safwat	4	6	6				M Safwat	3	7	4
		F Argüello	6	2	0										14	T Daniel	77	6
		F Coria	6	7												F Coria	65	4
		E Benchetrit	1	5					F Coria	77	3	6
								3	M Cecchinato	64	6	4

Section 4

	First round							Second round							Third round							Quarterfinals
								8	T Monteiro	6	6
		R Dutra Silva	2	3r				WC	A Pellegrino	3	4
	WC	A Pellegrino	6	4											8	T Monteiro	4	6	6
	Alt	J Lenz	5	4												G Mager	6	4	4
		G Mager	7	6					G Mager	77	6
								9	S Caruso	64	2
																						8	T Monteiro	2	4
																						2	A Ramos Viñolas	6	6
								13	A Balázs	3	6	6
	Q	A Molčan	6	7				Q	A Molčan	6	3	3
	Alt	T Bellucci	4	5											13	A Balázs	1	3
		F Gaio	7	77											2	A Ramos Viñolas	6	6
		P Cachin	5	64					F Gaio	4	6	2
								2	A Ramos Viñolas	6	4	6

References

External links

• Main draw
• Qualifying draw