2017 Croatia Open Umag
The 2017 Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 28th edition of the Croatia Open, and part of the World Tour 250 Series tier of the 2017 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 17 July through 23 July 2017. Unseeded Andrey Rublev, who entered the main draw as a lucky loser, won the singles title.
Finals
Singles
Andrey Rublev defeated Paolo Lorenzi, 6–4, 6–2Doubles
Guillermo Durán / Andrés Molteni defeated Marin Draganja / Tomislav Draganja, 6–3, 6–7,Singles main draw entrants
Seeds
1 Rankings are as of July 3, 2017Other 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- Borna Ćorić →replaced by Andrey Rublev
- Andreas Haider-Maurer →replaced by Alessandro Giannessi
- Martin Kližan →replaced by Andrej Martin
- Philipp Kohlschreiber →replaced by Marco Cecchinato
- Yūichi Sugita →replaced by Norbert Gombos
Doubles main draw entrants
Seeds
- Rankings are as of July 3, 2017