| 2009 ATP Studena Croatia Open Umag | |
|---|---|
| Date | 27 July – 2 August |
| Edition | 20th |
| Category | International Series |
| Draw | 32S / 16D |
| Prize money | €398,250 |
| Surface | Clay / outdoor |
| Location | Umag, Croatia |
| Champions | |
| Singles | |
 Nikolay Davydenko | |
| Doubles | |
 František Čermák /  Michal Mertiňák | |
The 2009 ATP Studena Croatia Open Umag was a tennis tournament played on outdoor red clay courts. It was the 20th edition of the event known that year as the ATP Studena Croatia Open Umag and was part of the ATP World Tour 250 series of the 2009 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 27 July through 2 August 2009. First-seeded Nikolay Davydenko won the singles title.[2]
- ^ "Superb Soderling Sends Nadal Crashing Out". atpworldtour.com. Association of Tennis Professionals. 2009-05-31. Archived from the original on 2009-06-22. Retrieved 2009-07-23.
- ^ "Tournaments – ATP Studena Croatia Open". atpworldtour.com. Association of Tennis Professionals. Archived from the original on 22 June 2009. Retrieved 2009-07-23.