2021 Lošinj Open
| 2021 Lošinj Open | |
|---|---|
| Date | 18–24 October |
| Edition | 1st |
| Surface | Clay |
| Location | Veli Lošinj, Croatia |
| Venue | Ljubicic Tennis Academy, Croatia |
| Champions | |
| Singles | |
| Carlos Taberner | |
| Doubles | |
| Andrej Martin / Tristan-Samuel Weissborn | |
The 2021 Lošinj Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Lošinj, Croatia between 18 and 24 October 2021.