Singles
2019 Hungarian Challenger Open
Champion	Alexander Bublik
Runner-up	Roberto Marcora
Score	6–0, 6–3

Vasek Pospisil was the defending champion but chose not to defend his title.

Alexander Bublik won the title after defeating Roberto Marcora 6–0, 6–3 in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	15	Zdeněk Kolář	6	3	2
		Roberto Marcora	2	6	6
									Roberto Marcora	6	77
								6	Oscar Otte	4	63
		Mathias Bourgue	3	3
	6	Oscar Otte	6	6
																Roberto Marcora	0	3
															8	Alexander Bublik	6	6
	12	Filip Horanský	6	78
	WC	Alex Molčan	4	66
								12	Filip Horanský	3	0
								8	Alexander Bublik	6	6
	8	Alexander Bublik	3	6	6
	14	Viktor Galović	6	3	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	R Ramanathan	64	5
		U Ignatik	6	7					U Ignatik	77	7
	LL	A Bega	4	5												U Ignatik	4	7	5
	PR	M Przysiężny	2	4											15	Z Kolář	6	5	7
	WC	Z Piros	6	6				WC	Z Piros	77	1	2
								15	Z Kolář	62	6	6
																						15	Z Kolář	6	3	2
																							R Marcora	2	6	6
								11	T Griekspoor	6	65	62
		N Gombos	79	6					N Gombos	4	77	77
	ITF	A Karatsev	67	2												N Gombos	3	4
		R Marcora	6	6												R Marcora	6	6
	WC	P Nagy	2	1					R Marcora	77	6
								5/SE	G Barrère	62	3

Section 2

	First round							Second round							Third round							Quarterfinals
								3	J Zopp	3	1
		A Basso	3	60					M Bourgue	6	6
		M Bourgue	6	77												M Bourgue	6	6
	ITF	Baptiste Crepatte	6	7											ITF	B Crepatte	3	2
		TK Wang	3	5				ITF	B Crepatte	5	6	6
								16	K Krawietz	7	4	3
																							M Bourgue	3	3
																						6	O Otte	6	6
								9	N Milojević	6	61	6
		D Masur	2	6	4				S Griekspoor	4	77	4
		S Griekspoor	6	3	6										9	N Milojević	3	4
	Q	D Szintai	3	4											6	O Otte	6	6
		D Petrović	6	6					D Petrović	62	6	65
								6	O Otte	77	3	77

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	F Baldi	4	6	6
	Alt	H Grenier	2	4					A Müller	6	3	4
		A Müller	6	6											7	F Baldi	6	2	1
		L Miedler	6	6											12	F Horanský	3	6	6
	WC	G Borsos	1	4					L Miedler	2	64
								12	F Horanský	6	77
																						12	F Horanský	6	78
																						WC	A Molčan	4	66
								13	M Janvier	77	3	6
		N Serdarušić	2	2					V Durasovic	60	6	3
		V Durasovic	6	6											13	M Janvier	2	4
	WC	A Molčan	5	7	77										WC	A Molčan	6	6
	ITF	Peter Heller	7	5	61			WC	A Molčan	6	3
								4	D Novak	2	0r

Section 4

	First round							Second round							Third round							Quarterfinals
								8	A Bublik	6	7
	Q	S Diez	6	6				Q	S Diez	1	5
	ITF	R Bonadio	4	2											8	A Bublik	65	6	6
		P Kotov	1	6	6											P Kotov	77	2	2
		M Viola	6	4	3				P Kotov	6	2	6
								10	K Coppejans	4	6	3
																						8	A Bublik	3	6	6
																						14	V Galović	6	3	4
								14	V Galović	77	6
		E Benchetrit	5	0				Alt	S Doumbia	65	2
	Alt	S Doumbia	7	6											14	V Galović	77	5	6
		B Zapata Miralles	6	6												B Zapata Miralles	64	7	2
		M-A Hüsler	1	3					B Zapata Miralles	6	7
								2	L Rosol	3	5

References

• Main draw
• Qualifying draw