2025 Croatia Open Umag – Singles

Singles
2025 Croatia Open Umag
Champion	Luciano Darderi
Runner-up	Carlos Taberner
Score	6−3, 6−3
Draw	28 (4Q / 3WC)
Seeds	8

Luciano Darderi defeated Carlos Taberner in the final, 6–3, 6–3 to win the singles tennis title at the 2025 Croatia Open Umag.^[1] It was his fourth career ATP Tour title and his second consecutive title in as many weeks, having won the previous week in Båstad.

Francisco Cerúndolo was the defending champion,^[2] but lost in the second round to Taberner.^[3]

The top four seeds received a bye into the second round.

	Semifinals							Final
		Carlos Taberner	6	6
	4	Damir Džumhur	2	1
									Carlos Taberner	3	3
								2	Luciano Darderi	6	6
	3	Camilo Ugo Carabelli	66	3
	2	Luciano Darderi	78	6

	First round							Second round							Quarterfinals							Semifinals
								1	F Cerúndolo	77	4	5
		C Taberner	6	77					C Taberner	62	6	7
		P-H Herbert	4	61												C Taberner	7	6
		J de Jong	6	6												J de Jong	5	3
	WC	M Poljičak	3	3					J de Jong	6	6
		T Barrios Vera	1	2				5	M Navone	3	4
	5	M Navone	6	6																			C Taberner	6	6
																						4	D Džumhur	2	1
								4	D Džumhur	6	7
	Q	Á Guillén Meza	4	1					S Wawrinka	4	5
		S Wawrinka	6	6											4	D Džumhur	3	7	6
	Q	T Droguet	6	6											Q	T Droguet	6	5	2
		C Garín	3	3				Q	T Droguet	6	6
		R Collignon	6	4	3			8	V Kopřiva	2	3
	8	V Kopřiva	3	6	6

	First round							Second round							Quarterfinals							Semifinals
	7	K Majchrzak	2	4
	Q	P Llamas Ruiz	6	6				Q	P Llamas Ruiz	6	6
		D Lajović	3	4					T Atmane	3	3
		T Atmane	6	6											Q	P Llamas Ruiz	4	2r
	WC	M Dodig	6	1	2										3	C Ugo Carabelli	6	5
		F Passaro	4	6	6				F Passaro	77	2	3
								3	C Ugo Carabelli	65	6	6
																						3	C Ugo Carabelli	66	3
	6	R Carballés Baena	3	4																		2	L Darderi	78	6
		N Basilashvili	6	6					N Basilashvili	6	3	2
	WC	D Prižmić	6	6				WC	D Prižmić	2	6	6
		E Møller	4	2											WC	D Prižmić	6	2	3
		C-h Tseng	7	6											2	L Darderi	1	6	6
	Q	G Zeppieri	5	4					C-h Tseng	5	0
								2	L Darderi	7	6

	First round							Qualifying competition
	1	Andrea Pellegrino	6	2	77
		Vitaliy Sachko	2	6	61
								1	Andrea Pellegrino	3	4
								PR	Pablo Llamas Ruiz	6	6
	PR	Pablo Llamas Ruiz	3	6	77
	5	Kyrian Jacquet	6	3	62

	First round							Qualifying competition
	2	Vilius Gaubas	6	6
		Federico Arnaboldi	3	2
								2	Vilius Gaubas	6	3	3
								7	Titouan Droguet	4	6	6
	WC	Niels McDonald	4	3
	7	Titouan Droguet	6	6

	First round							Qualifying competition
	3	Marco Trungelliti	62	2
	WC	Luka Mikrut	77	6
								WC	Luka Mikrut	3	1
									Álvaro Guillén Meza	6	6
		Álvaro Guillén Meza	6	3	6
	6	Ugo Blanchet	4	6	2

	First round							Qualifying competition
	4	Federico Coria	2	1
	PR	Giulio Zeppieri	6	6
								PR	Giulio Zeppieri	6	6
								8	Luca Van Assche	3	4
	Alt	Marco Cecchinato	3	63
	8	Luca Van Assche	6	77

• Main draw
• Qualifying draw