2018 Gazprom Hungarian Open
Date	April 23 – 29
Edition	2nd
Category	ATP World Tour 250 series
Draw	28S / 16D
Prize money	€501,345
Surface	Clay / outdoor
Location	Budapest, Hungary
Venue	Nemzeti Edzés Központ
Champions
Singles
Marco Cecchinato
Doubles
Dominic Inglot / Franko Škugor
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The 2018 Gazprom Hungarian Open was a men's tennis tournament played on outdoor clay courts. It was the 2nd edition of the Hungarian Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at Nemzeti Edzés Központ in Budapest, Hungary, from April 23–29.

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
FRA	Lucas Pouille	11	1
BIH	Damir Džumhur	31	2
FRA	Richard Gasquet	34	3
CAN	Denis Shapovalov	45	4
SLO	Aljaž Bedene	58	5
HUN	Márton Fucsovics	59	6
GER	Jan-Lennard Struff	61	7
ITA	Andreas Seppi	62	8

• ¹ Rankings are as of April 16, 2018

Other entrants

The following players received wildcards into the singles main draw:

• Attila Balázs
• Alexander Bublik
• Zsombor Piros

The following players received entry from the qualifying draw:

• Matteo Berrettini
• Hubert Hurkacz
• Lorenzo Sonego
• Jürgen Zopp

The following players received entry as lucky losers:

• Marco Cecchinato
• Yannick Maden

Withdrawals

Before the tournament

• Laslo Đere → replaced by Marco Cecchinato
• Alexandr Dolgopolov → replaced by Denis Istomin
• Filip Krajinović → replaced by John Millman
• Florian Mayer → replaced by Yannick Maden
• Jiří Veselý → replaced by Mikhail Youzhny

Doubles main-draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
CRO	Nikola Mektić	AUT	Alexander Peya	61	1
JPN	Ben McLachlan	GER	Jan-Lennard Struff	77	2
BLR	Max Mirnyi	AUT	Philipp Oswald	77	3
NED	Matwé Middelkoop	ARG	Andrés Molteni	80	4

• ¹ Rankings are as of April 16, 2018

Other entrants

The following pairs received wildcards into the doubles main draw:

• Attila Balázs / Márton Fucsovics
• Marius Copil / Florin Mergea

Champions

Singles

• Marco Cecchinato def. John Millman, 7–5, 6–4

Doubles

• Dominic Inglot / Franko Škugor def. Matwé Middelkoop / Andrés Molteni, 6–7^(8–10), 6–1, [10–8]