The 2017 Croatia Open Umag (also known as the Plava Laguna Croatia Open Umag for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts. It was the 28th edition of the Croatia Open, and part of the ATP World Tour 250 Series of the 2017 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 17 July through 23 July 2017.
| 2017 Croatia Open Umag | |
|---|---|
| Date | 17–23 July |
| Edition | 28th |
| Category | ATP World Tour 250 |
| Draw | 28S / 16D |
| Prize money | €482,060 |
| Surface | Clay |
| Location | Umag, Croatia |
| Champions | |
| Singles | |
 Andrey Rublev | |
| Doubles | |
 Guillermo Durán / Andrés Molteni | |
Singles main draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 BEL
|
David Goffin | 13 | 1 |
 FRA
|
Gaël Monfils | 14 | 2 |
 ITA
|
Fabio Fognini | 29 | 3 |
| ITA
|
Paolo Lorenzi | 33 | 4 |
| FRA
|
Gilles Simon | 36 | 5 |
 CRO |
|||
| FRA
|
Benoît Paire | 46 | 7 |
 CZE
|
Jiří Veselý | 48 | 8 |
- 1 Rankings are as of July 3, 2017
Other entrants edit
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 edit
- 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 edit
Seeds edit
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 BLR
|
Max Mirnyi |  CAN
|
Daniel Nestor | 66 | 1 |
| CRO
|
Ivan Dodig | CRO
|
Franko Škugor | 100 | 2 |
| ARG
|
Guillermo Durán | ARG
|
Andrés Molteni | 132 | 3 |
 USA
|
James Cerretani | USA
|
Max Schnur | 188 | 4 |
- Rankings are as of July 3, 2017
Other entrants edit
The following pairs received wildcards into the doubles main draw:
Withdrawals edit
- Before the tournament
Finals edit
Singles edit
- Andrey Rublev defeated Paolo Lorenzi, 6–4, 6–2
Doubles edit
Guillermo Durán / Andrés Molteni defeated Marin Draganja / Tomislav Draganja, 6–3, 6–7(4–7), [10–6]