Doubles
2023 Croatia Open Umag
Final
Champions	Blaž Rola Nino Serdarušić
Runners-up	Simone Bolelli Andrea Vavassori
Score	4–6, 7–6(7–2), [15–13]
Events
Singles Doubles
← 2022 · Croatia Open Umag · 2024 →

Blaž Rola and Nino Serdarušić defeated the defending champion Simone Bolelli and his partner Andrea Vavassori in the final, 4–6, 7–6^(7–2), [15–13] to win the doubles tennis title at the 2023 Croatia Open Umag.

Bolelli and Fabio Fognini were the reigning champions,^[1] but Fognini chose not to defend the title.

	First round							Quarterfinals							Semifinals							Final
	1	S Bolelli A Vavassori	6	6
		A Golubev D Molchanov	4	1				1	S Bolelli A Vavassori	6	3	[10]
		R Arneodo S Weissborn	4	64					R Jebavý J Lehečka	4	6	[2]
		R Jebavý J Lehečka	6	77											1	S Bolelli A Vavassori	6	77
	3	F Cabral R Matos	6	77												S Arends D Pel	4	65
		A Olivetti D Vega Hernández	2	65				3	F Cabral R Matos	4	6	[5]
		S Arends D Pel	3	6	[10]				S Arends D Pel	6	4	[10]
		M Demoliner P Oswald	6	3	[5]																	1	S Bolelli A Vavassori	6	62	[13]
	WC	B Rola N Serdarušić	4	6	[10]																	WC	B Rola N Serdarušić	4	77	[15]
		M Bortolotti S Verbeek	6	3	[8]			WC	B Rola N Serdarušić	6	3	[10]
		G Escobar A Nedovyesov	6	4	[10]				G Escobar A Nedovyesov	2	6	[8]
	4	A Behar A Pavlásek	3	6	[3]										WC	B Rola N Serdarušić	77	6
	WC	Z Babić L Mikrut	2	1											2	S Doumbia F Reboul	65	4
		N Barrientos G Durán	6	6					N Barrientos G Durán	5	77	[7]
		S Balaji J Nedunchezhiyan	0	3				2	S Doumbia F Reboul	7	62	[10]
	2	S Doumbia F Reboul	6	6

• Main draw