Singles
2018 Grand Est Open 88
Final
Champion	Stefanie Vögele
Runner-up	Sara Sorribes Tormo
Score	6–4, 6–2
Events
Singles Doubles
← 2017 · Grand Est Open 88 · 2019 →

Stefanie Vögele won the title, defeating Sara Sorribes Tormo in the final in straight sets: 6–4, 6–2. Johanna Larsson was the defending champion, but chose not to participate.

	Semifinals							Final
		Zheng Saisai	3	6	2
	3	Stefanie Vögele	6	3	6
								3	Stefanie Vögele	6	6
								5	Sara Sorribes Tormo	4	2
	5	Sara Sorribes Tormo	6	6
		Anna Kalinskaya	4	4

	First round							Second round							Quarterfinals							Semifinals
	1	P Parmentier	68	6	2
		S Zheng	710	3	6				S Zheng	6	6
	Q	L Wargnier	2	6	3			WC	T Andrianjafitrimo	0	4
	WC	T Andrianjafitrimo	6	4	6											S Zheng	6	4	6
		H Tan	3	3											6	A Rus	3	6	4
		J Paolini	6	6					J Paolini	4	3
	Q	A Vasylyeva	0	0				6	A Rus	6	6
	6	A Rus	6	6																			S Zheng	3	6	2
	3	S Vögele	6	77																		3	S Vögele	6	3	6
		R Zarazúa	3	65				3	S Vögele	7	6
		C Perrin	6	6					C Perrin	5	2
	Q	M Noël	0	2											3	S Vögele	77	6
		O Dodin	3	0r											8	M Barthel	62	2
	WC	A Hesse	6	0				WC	A Hesse	5	4
		D Chiesa	3	1				8	M Barthel	7	6
	8	M Barthel	6	6

	First round							Second round							Quarterfinals							Semifinals
	5	S Sorribes Tormo	6	65	6
	Q	M Minella	4	77	3			5	S Sorribes Tormo	7	6
		M Hončová	3	6	3				M Georges	5	1
		M Georges	6	1	6										5	S Sorribes Tormo	6	6
		E Bouchard	2	6	3											P Schnyder	2	2
		P Badosa Gibert	6	3	6				P Badosa Gibert	61	1
		P Schnyder	77	1	6				P Schnyder	77	6
	4	V Golubic	65	6	3																	5	S Sorribes Tormo	6	6
	7	Y Bonaventure	6	77																			A Kalinskaya	4	4
		M Kobori	3	62				7	Y Bonaventure	65	6	6
		A Shimizu	4	4				WC	C Liu	77	3	1
	WC	C Liu	6	6											7	Y Bonaventure	6	1	4
	WC	S Cakarevic	3	1												A Kalinskaya	3	6	6
		A Kalinskaya	6	6					A Kalinskaya	6	77
		T Korpatsch	3	4				2	K Kozlova	4	65
	2	K Kozlova	6	6

• Main Draw