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.^[1]

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.

Seeds

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	S Doumbia F Reboul	7	6
		J Forejtek FC Jianu	5	4				1	S Doumbia F Reboul	2	3
		J Barranco Cosano Á López San Martín	3	5					A Martin T-S Weissborn	6	6
		A Martin T-S Weissborn	6	7												A Martin T-S Weissborn	6	6
	4	J Cerretani F Fallert	3	77	[10]										4	J Cerretani F Fallert	3	4
		D Petrović I Sabanov	6	65	[3]			4	J Cerretani F Fallert	7	6
	WC	A Kalender M Poljičak	2	77	[5]			WC	A Chandrasekar VS Prashanth	5	3
	WC	A Chandrasekar VS Prashanth	6	63	[10]																		A Martin T-S Weissborn	6	77
		N Fatić A Šetkić	1	2																			VV Cornea E Kırkın	1	65
		VV Cornea E Kırkın	6	6					VV Cornea E Kırkın	6	1	[10]
		G Blancaneaux A Kadhe	6	7					G Blancaneaux A Kadhe	3	6	[4]
	3	M Bortolotti S Martos Gornés	2	5												VV Cornea E Kırkın	0	6	[10]
		R Haase Mats Hermans	6	6											2	A Šančić A Sitak	6	0	[5]
	WC	Anthony Genov Eldin Nokic	4	4					R Haase M Hermans	5	4
		N Álvarez Varona Georgii Kravchenko	63	1				2	A Šančić A Sitak	7	6
	2	A Šančić A Sitak	77	6

References

External links

• Main draw