2018 Croatia Open Umag

Seeds

Country	Player	Rank1	Seed
GBR	Kyle Edmund	17	1
BIH	Damir Džumhur	23	2
ITA	Marco Cecchinato	29	3
RUS	Andrey Rublev	33	4
ESP	Albert Ramos Viñolas	38	5
NED	Robin Haase	43	6
POR	João Sousa	45	7
FRA	Benoît Paire	47	8
GER	Maximilian Marterer	48	9

• ¹ Rankings are as of July 2, 2018 ^{[1] [2]}

Other entrants

The following players received wildcards into the singles main draw:

• Félix Auger-Aliassime
• Nino Serdarušić
• Franko Škugor

The following players received entry from the qualifying draw:

• Rogério Dutra Silva
• Martin Kližan
• Stefano Travaglia
• Marco Trungelliti

The following player received entry as a lucky loser:

• Andrej Martin

Withdrawals

Before the tournament

• Kyle Edmund → replaced by Andrej Martin
• Guillermo García López → replaced by Laslo Đere
• Filip Krajinović → replaced by Taro Daniel
• Andreas Seppi → replaced by Guido Pella

Seeds

Country	Player	Country	Player	Rank1	Seed
GBR	Dominic Inglot	CRO	Franko Škugor	67	1
NED	Robin Haase	NED	Matwé Middelkoop	77	2
CRO	Antonio Šančić	BLR	Andrei Vasilevski	129	3
FRA	Jonathan Eysseric	FRA	Hugo Nys	133	4

• Rankings are as of July 2, 2018

Other entrants

The following pairs received wildcards into the doubles main draw:

• Marin Draganja / Tomislav Draganja
• Ivan Sabanov / Matej Sabanov

The following pair received entry as alternates:

• Nicolás Jarry / Roberto Quiroz

Withdrawals

Before the tournament

• Ariel Behar

Men's singles

• Marco Cecchinato def. Guido Pella, 6–2, 7–6^(7–4)

Men's doubles

• Robin Haase / Matwé Middelkoop def. Roman Jebavý / Jiří Veselý, 6–4, 6–4

• Official website