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Singles
2018 Gazprom Hungarian Open
Final
Champion	Marco Cecchinato
Runner-up	John Millman
Score	7–5, 6–4
Details
Draw	28 (4 Q / 2 WC )
Seeds	8
Events
Singles Doubles
← 2017 · Gazprom Hungarian Open · 2019 →

Lucas Pouille was the defending champion,^[1] but lost in the second round to John Millman.

Marco Cecchinato won his first ATP title, defeating Millman in the final, 7–5, 6–4. Cecchinato was a lucky loser, the ninth in ATP Tour history to win a title.

The top four seeds received a bye into the second round.

	Semifinals							Final
		John Millman	2	77	77
	5	Aljaž Bedene	6	63	65
									John Millman	5	4
								LL	Marco Cecchinato	7	6
	8	Andreas Seppi	7	64	3
	LL	Marco Cecchinato	5	77	6

	First round							Second round							Quarterfinals							Semifinals
								1	L Pouille	3	4
		J Millman	6	7					J Millman	6	6
		R Albot	4	5												J Millman	2	6	6
		M Marterer	3	6	6										LL	Y Maden	6	1	4
		V Troicki	6	4	4				M Marterer	1	3
	LL	Y Maden	4	6	6			LL	Y Maden	6	6
	6	M Fucsovics	6	3	2																		J Millman	2	77	77
																						5	A Bedene	6	63	65
								3	R Gasquet	4	64
	Q	H Hurkacz	77	68	4			Q	L Sonego	6	77
	Q	L Sonego	62	710	6										Q	L Sonego	3	6	2
	WC	A Balázs	4	6	64										5	A Bedene	6	2	6
	Q	M Berrettini	6	3	77			Q	M Berrettini	62	6	4
		M Copil	77	5	3			5	A Bedene	77	4	6
	5	A Bedene	63	7	6

	First round							Second round							Quarterfinals							Semifinals
	8	A Seppi	4	7	6
		T Fabbiano	6	5	3			8	A Seppi	6	6
	WC	Z Piros	3	3					M Youzhny	1	2
		M Youzhny	6	6											8	A Seppi	6	77
		N Basilashvili	6	6												N Basilashvili	4	63
		P Lorenzi	4	2					N Basilashvili	6	6
								4	D Shapovalov	2	4
																						8	A Seppi	7	64	3
	7	J-L Struff	2	6	7																	LL	M Cecchinato	5	77	6
	Q	J Zopp	6	4	5			7	J-L Struff	6	6
	WC	A Bublik	66	77	7			WC	A Bublik	1	4
		D Istomin	78	65	5										7	J-L Struff	7	4	2
		M Bašić	3	4											LL	M Cecchinato	5	6	6
	LL	M Cecchinato	6	6				LL	M Cecchinato	6	6
								2	D Džumhur	3	1

	First round							Qualifying competition
	1	Marcos Baghdatis	2	4
		Hubert Hurkacz	6	6
									Hubert Hurkacz	2	7	6
								7	Thiago Monteiro	6	5	3
		Stefano Napolitano	1	4
	7	Thiago Monteiro	6	6

	First round							Qualifying competition
	2	Marco Cecchinato	7	6
	WC	Máté Valkusz	5	1
								2	Marco Cecchinato	4	2
									Jürgen Zopp	6	6
		Jürgen Zopp	1	6	6
	6	Tim Smyczek	6	4	4

	First round							Qualifying competition
	3	Matteo Berrettini	6	6
	WC	Péter Nagy	3	4
								3	Matteo Berrettini	6	7
									Elias Ymer	4	5
		Elias Ymer	6	6
	5	Sergiy Stakhovsky	3	3

	First round							Qualifying competition
	4	Gerald Melzer	3	2
		Lorenzo Sonego	6	6
									Lorenzo Sonego	6	6
								8	Yannick Maden	4	4
		Sebastian Ofner	1	1
	8	Yannick Maden	6	6

• Main draw
• Qualifying draw