2021 Lošinj Open – Doubles
| Doubles | |
|---|---|
| 2021 Lošinj Open | |
| Champions | Andrej Martin Tristan-Samuel Weissborn |
| Runners-up | Victor Vlad Cornea Ergi Kırkın |
| Score | 6–1, 7–6(7–5) |
This was the first edition of the tournament.
Andrej Martin and Tristan-Samuel Weissborn won the title after defeating Victor Vlad Cornea and Ergi Kırkın 6–1, 7–6(7–5) in the final.