2025 Zagreb Open – Men's singles

Men's singles
2025 Zagreb Open
Champion	Dino Prižmić
Runner-up	Luca Van Assche
Score	6–2 ret.

Damir Džumhur was the defending champion^[1] but chose not to defend his title.

Dino Prižmić won the title after Luca Van Assche retired after losing the first set 2–6 in the final.^[2]

	Semifinals							Final
	LL	Luka Pavlovic	3	2
		Luca Van Assche	6	6
									Luca Van Assche	2r
								WC	Dino Prižmić	6
		Marco Trungelliti	3	77	5
	WC	Dino Prižmić	6	65	7

	First round							Second round							Quarterfinals							Semifinals
	1	A Mannarino	2	711	3
	Alt	G Bueno	6	69	6			Alt	G Bueno	614	4
		G Onclin	6	2	4			LL	L Pavlovic	716	6
	LL	L Pavlovic	1	6	6										LL	L Pavlovic	6	7
	Alt	M Poljičak	4	6	77										Alt	M Poljičak	1	5
	Q	N Fatić	6	3	62			Alt	M Poljičak	6	6
	WC	M Dodig	4	4				6	D Popko	3	2
	6	D Popko	6	6																		LL	L Pavlovic	3	2
	3	D Svrčina	2	1																			L Van Assche	6	6
		L Van Assche	6	6					L Van Assche	6	6
	Q	D Kuzmanov	6	7				Q	D Kuzmanov	4	2
		V Durasovic	4	5												L Van Assche	6	6
	Q	N Gombos	3	3											8	F Misolic	4	4
	PR	K Coppejans	6	6				PR	K Coppejans	65	6	65
	Alt	M Houkes	1	1				8	F Misolic	77	2	77
	8	F Misolic	6	6

	First round							Second round							Quarterfinals							Semifinals
	7	D Ajduković	2	62
		F Mena	6	77					F Mena	6	4	64
		M Trungelliti	6	2	6				M Trungelliti	2	6	77
	Q	N Oberleitner	2	6	4											M Trungelliti	77	6
		Z Svajda	2	3											4	H Mayot	64	2
	Q	M Karol	6	6				Q	M Karol	2	4
		J Rodionov	5	77	2			4	H Mayot	6	6
	4	H Mayot	7	63	6																		M Trungelliti	3	77	5
	5	K Jacquet	77	6																		WC	D Prižmić	6	65	7
		U Blanchet	63	0				5	K Jacquet	5	2
	WC	D Prižmić	6	6				WC	D Prižmić	7	6
	Q	M Bašić	1	2											WC	D Prižmić	6	6
	WC	L Mikrut	4	6	3										2	J Kym	2	3
		E Ruusuvuori	6	3	6				E Ruusuvuori	2	0
		B Zhukayev	2	0r				2	J Kym	6	6
	2	J Kym	6	4

• Main draw
• Qualifying draw