Singles
2019 Engie Open Nantes Atlantique
Champion	Cristina Bucșa
Runner-up	Tamara Korpatsch
Score	6–2, 6–7(11–13), 7–6(8–6)

Timea Bacsinszky was the defending champion, but chose not to participate.^[1]

Cristina Bucșa won the title, defeating Tamara Korpatsch in the final, 6–2, 6–7^(11–13), 7–6^(8–6).

Seeds

Draw

Finals

	Semifinals							Final
		Cristina Bucșa	6	6
		Martina Caregaro	2	1
									Cristina Bucșa	6	611	78
								5	Tamara Korpatsch	2	713	66
	6	Ana Bogdan	6	3	3
	5	Tamara Korpatsch	0	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Maria	6	6
	Q	J Terziyska	3	4				1	T Maria	6	62	6
		L Salden	6	6					L Salden	3	77	1
		O Sáez Larra	2	2											1	T Maria	4	0r
	Q	T Gravouil	4	4												C Bucșa	6	3
		C Bucșa	6	6					C Bucșa	6	6
	WC	S Cakarevic	6	4	5			8	E Gorgodze	4	2
	8	E Gorgodze	4	6	7																		C Bucșa	6	6
	3	A Bolsova	5	1																			M Caregaro	2	1
		M Caregaro	7	6					M Caregaro	6	6
		V Heisen	6	6					V Heisen	0	2
	Q	V Meliss	4	4												M Caregaro	77	5	78
		A Albié	6	6												A Albié	65	7	66
	Q	L Cortez Llorca	4	2					A Albié	6	6
	Q	M Noël	6	6				Q	M Noël	3	1
	7	C Paquet	3	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	A Bogdan	61	6	6
		M Georges	77	2	4			6	A Bogdan	77	3	6
	LL	E Lechemia	4	2					O Dodin	63	6	2
	PR	O Dodin	6	6											6	A Bogdan	79	6
	Q	S Djoubri	2	3											4	V Diatchenko	67	3
		J Malečková	6	6					J Malečková	2	1
		D Marcinkēviča	2	2				4	V Diatchenko	6	6
	4	V Diatchenko	6	6																		6	A Bogdan	6	3	3
	5	T Korpatsch	6	6																		5	T Korpatsch	0	6	6
	WC	A Tubello	3	4				5	T Korpatsch	6	6
	Q	M Armitano	79	66	3			Q	A Amanmuradova	3	3
	Q	A Amanmuradova	67	78	6										5	T Korpatsch	6	6
		M Yerolymos	4	5												A Hesse	1	1
	WC	I Ramialison	6	7				WC	I Ramialison	3	4
		A Hesse	6	77					A Hesse	6	6
	2	V Gracheva	3	64

References

• Main Draw