| 2021 Croatia Open Umag | |
|---|---|
| Date | 19 – 25 July |
| Edition | 31st |
| Category | ATP Tour 250 |
| Draw | 28S/16D |
| Prize money | €481,270 |
| Surface | Clay |
| Location | Umag, Croatia |
| Champions | |
| Singles | |
 Carlos Alcaraz | |
| Doubles | |
 Fernando Romboli / David Vega Hernández | |
The 2021 Croatia Open (also known as the Plava Laguna Croatia Open Umag for sponsorship reasons) is a men's tennis tournament played on outdoor clay courts. It is the 31st edition of the Croatia Open, and part of the 250 Series of the 2021 ATP Tour. It take place at the International Tennis Center in Umag, Croatia, from 19 through 25 July 2021.[1][2]
- ^ "Plava Laguna Croatia Open Umag Overview". Retrieved 24 June 2021.
- ^ "Croatia. Open Umago 2021: Tennis e tanto divertimento". Retrieved 24 June 2021.