Singles
2018 Hungarian Challenger Open
Final
Champion	Vasek Pospisil
Runner-up	Nicola Kuhn
Score	7–6(7–3), 3–6, 6–3
Events
Singles Doubles
← 2017 · Hungarian Challenger Open · 2019 →

Jürgen Melzer was the defending champion but chose not to defend his title.

Vasek Pospisil won the title after defeating Nicola Kuhn 7–6^(7–3), 3–6, 6–3 in the final.

	Semifinals							Final
	1	Márton Fucsovics	3	65
	Alt	Nicola Kuhn	6	77
								Alt	Nicola Kuhn	63	6	3
								2	Vasek Pospisil	77	3	6
	8	Nikola Milojević	5	6	4
	2	Vasek Pospisil	7	4	6

	First round							Second round							Quarterfinals							Semifinals
	1	M Fucsovics	7	6
		A Balázs	5	0				1	M Fucsovics	63	6	6
		D Novak	3	3					H Hurkacz	77	3	4
		H Hurkacz	6	6											1	M Fucsovics	6	6
		I Ivashka	2	6	63										Q	K Krawietz	4	3
	Q	K Krawietz	6	3	77			Q	K Krawietz	6	6
		P Krstin	2	0				7	V Galović	4	2
	7	V Galović	6	6																		1	M Fucsovics	3	65
	3	Q Halys	77	1	64																	Alt	N Kuhn	6	77
	WC	M Valkusz	63	6	77			WC	M Valkusz	2	65
		A Arnaboldi	64	6	4			Alt	N Kuhn	6	77
	Alt	N Kuhn	77	4	6										Alt	N Kuhn	6	6
		A De Greef	6	6											6	J Zopp	3	3
	Q	Jeremy Jahn	1	3					A De Greef	3	65
	WC	Z Piros	4	64				6	J Zopp	6	77
	6	J Zopp	6	77

	First round							Second round							Quarterfinals							Semifinals
	8	N Milojević	6	6
		V Šafránek	3	4				8	N Milojević	6	6
	WC	G Borsos	77	77				WC	G Borsos	1	2
	Q	A Pellegrino	65	65											8	N Milojević	79	6
		A Šetkić	5	7	1										4	E Ymer	67	3
		Z Kolář	7	5	6				Z Kolář
	WC	P Nagy	3	2				4	E Ymer	w/o
	4	E Ymer	6	6																		8	N Milojević	5	6	4
	5	F Auger-Aliassime	3	7	6																	2	V Pospisil	7	4	6
		B Rola	6	5	1			5	F Auger-Aliassime	0	2
		K Majchrzak	5	2				Q	C Lestienne	6	6
	Q	C Lestienne	7	6											Q	C Lestienne	4	6	3
		T Gabashvili	5	2											2	V Pospisil	6	4	6
		A Pavlásek	7	6					A Pavlásek	4	3
		U Ignatik	4	2				2	V Pospisil	6	6
	2	V Pospisil	6	6

• Main Draw
• Qualifying Draw