Singles
2018 Montreux Ladies Open
Champion	Iga Świątek
Runner-up	Kimberley Zimmermann
Score	6–2, 6–2

María Teresa Torró Flor was the defending champion, but chose not to participate.

Iga Świątek won the title, defeating Kimberley Zimmermann in the final, 6–2, 6–2.

Seeds

Draw

Finals

	Semifinals							Final
	1	Mariana Duque Mariño	2	3
		Iga Świątek	6	6
									Iga Świątek	6	6
									Kimberley Zimmermann	2	2
		Kimberley Zimmermann	7	6
		Ylena In-Albon	5	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Duque Mariño	6	6
		C Scholl	1	1				1	M Duque Mariño	1	6	6
	Q	S Wagner	6	6				Q	S Wagner	6	1	2
		I Shinikova	4	2											1	M Duque Mariño	64	6	7
	WC	A Sadiković	7	6											WC	A Sadiković	77	2	5
		G Gatto-Monticone	5	1				WC	A Sadiković	0	6	6
		C Paquet	6	3	6				C Paquet	6	2	1
	7	K Zavatska	3	6	1																	1	M Duque Mariño	2	3
	4	T Korpatsch	6	6																			I Świątek	6	6
	Q	T Sugnaux	1	2				4	T Korpatsch	6	1	3
	WC	S Waltert	6	2	3				E-G Ruse	3	6	6
		E-G Ruse	4	6	6											E-G Ruse	6	1	2
		I Świątek	6	6												I Świątek	2	6	6
		A Hesse	4	1					I Świątek	6	6
		D Marcinkēviča	6	6					D Marcinkēviča	0	1
	6	D Chiesa	4	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	Ç Büyükakçay	5	6	1
		M Zanevska	7	4	6				M Zanevska	2	6	1
		K Zimmermann	6	6					K Zimmermann	6	3	6
	Q	A Mitu	2	2												K Zimmermann	7	6
		M Osaka	6	6												M Osaka	5	4
		M Kilnarová	2	1					M Osaka	6	6
	Q	C Ferrando	4	6	3			3	M Trevisan	3	2
	3	M Trevisan	6	3	6																		K Zimmermann	7	6
	5	B Schoofs	6	6																			Y In-Albon	5	2
		J Paolini	0	4				5	B Schoofs	3	2
		Y In-Albon	6	6					Y In-Albon	6	6
	WC	T Bacsinszky	1	2												Y In-Albon	6	7
	WC	L Küng	6	1	67											J Grabher	4	5
		J Grabher	2	6	79				J Grabher	6	4	6
		M González	1	4				2	C Perrin	2	6	4
	2	C Perrin	6	6

References

• Main Draw