2018 Croatia Open Umag
The 2018 Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 29th edition of the Croatia Open, and part of the ATP World Tour 250 Series of the 2018 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 15 July through 22 July 2018. Third-seeded Marco Cecchinato won the singles title.
Finals
Singles
Marco Cecchinato defeated Guido Pella, 6–2, 7–6Doubles
Robin Haase / Matwé Middelkoop defeated Roman Jebavý / Jiří Veselý, 6–4, 6–4ATP singles main draw entrants
Seeds
1 Rankings are as of July 2, 2018Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
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
ATP doubles main draw entrants
Seeds
- Rankings are as of July 2, 2018
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry as alternates: