Singles
2018 Zagreb Ladies Open
Champion	Tereza Mrdeža
Runner-up	Paula Ormaechea
Score	2–6, 6–4, 7–5

Dia Evtimova was the defending champion, having won the previous event in 2011, but chose not to participate.

Tereza Mrdeža won the title, defeating Paula Ormaechea in the final, 2–6, 6–4, 7–5.

Seeds

Draw

Finals

	Semifinals							Final
		Alexandra Cadanțu	2	1r
	8	Tereza Mrdeža	6	5
								8	Tereza Mrdeža	2	6	7
								Q	Paula Ormaechea	6	4	5
		Olga Doroshina	5	4
	Q	Paula Ormaechea	7	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Sharipova	1	3
		A Cadanțu	6	6					A Cadanțu	6	6
		A Grymalska	6	6					A Grymalska	2	2
		C Burger	4	3												A Cadanțu	6	6
		P Özgen	6	7												P Özgen	2	3
	Q	C Lister	3	5					P Özgen	6	6
		D Seguel	6	5	1r			7	J Čepelová	3	3
	7	J Čepelová	4	7	4																		A Cadanțu	2	1r
	3	G García Pérez	1	77	6																	8	T Mrdeža	6	5
		R Šramková	6	65	4			3	G García Pérez	1	6	7
	WC	A Husarić	5	4				WC	B Jovanovski Petrović	6	3	5
	WC	B Jovanovski Petrović	7	6											3	G García Pérez	3	3
		L Samsonova	65	6	77										8	T Mrdeža	6	6
	PR	A Panova	77	3	65				L Samsonova	6	3	4
		D Gálfi	3	1				8	T Mrdeža	4	6	6
	8	T Mrdeža	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	M Di Giuseppe	3	63
		A Gámiz	6	77					A Gámiz	3	2
		O Doroshina	6	5	6				O Doroshina	6	6
		M Hončová	1	7	1											O Doroshina	6	0	6
		M Georges	4	1												K Juvan	1	6	3
		K Juvan	6	6					K Juvan	6	6
	WC	L Bošković	3	65				4	V Grammatikopoulou	3	2
	4	V Grammatikopoulou	6	77																			O Doroshina	5	4
	5	E Kostova	6	6																		Q	P Ormaechea	7	6
	Q	Á Bukta	3	4				5	E Kostova	6	2	3
		T Lukas	7	7					T Lukas	1	6	6
	WC	S Njirić	5	5												T Lukas	5	7	1
	Q	A Moratelli	5	1											Q	P Ormaechea	7	5	6
	Q	P Ormaechea	7	6				Q	P Ormaechea	5	6	6
	PR	L Gjorcheska	5	2				2	V Tomova	7	2	4
	2	V Tomova	7	6

References

• Main Draw