2019 Open Harmonie mutuelle – Doubles

Sander Arends and Tristan-Samuel Weissborn were the defending champions^[1] but lost in the semifinals to Jonathan Eysseric and Antonio Šančić.

Doubles
2019 Open Harmonie mutuelle
Champions	Jonathan Erlich Fabrice Martin
Runners-up	Jonathan Eysseric Antonio Šančić
Score	7–6(7–2), 7–6(7–2)

Main article: 2019 Open Harmonie mutuelle

Jonathan Erlich and Fabrice Martin won the title after defeating Eysseric and Šančić 7–6^(7–2), 7–6^(7–2) in the final.

Seeds

1. Philipp Oswald / Leander Paes (first round)
2. Romain Arneodo / Hugo Nys (quarterfinals)
3. Robert Galloway / Nathaniel Lammons (first round)
4. Jonathan Erlich / Fabrice Martin (champions)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

	First round							Quarterfinals							Semifinals							Final
	1	P Oswald L Paes	6	2	[8]
		J Cerretani M-A Hüsler	4	6	[10]				J Cerretani M-A Hüsler	4	4
		LD Martínez G Oliveira	62	4				ITF	A Artuñedo S Martos Gornés	6	6
	ITF	A Artuñedo S Martos Gornés	77	6											ITF	A Artuñedo S Martos Gornés	3	4
	4	J Erlich F Martin	6	77											4	J Erlich F Martin	6	6
		A Vasilevski A Vavassori	3	64				4	J Erlich F Martin	78	67	[10]
		R Junaid D Pel	6	6					R Junaid D Pel	66	79	[6]
	WC	E Furness M Guinard	4	2																		4	J Erlich F Martin	77	77
	WC	Q Halys G Jacq	63	62																			J Eysseric A Šančić	62	62
		S Arends T-S Weissborn	77	77					S Arends T-S Weissborn	6	77
	ITF	D Added A Olivetti	64	6	[10]			ITF	D Added A Olivetti	4	65
	3	R Galloway N Lammons	77	4	[8]											S Arends T-S Weissborn	3	5
		J Eysseric A Šančić	6	6												J Eysseric A Šančić	6	7
		S Stakhovsky S Walków	3	1					J Eysseric A Šančić	77	6
	WC	M Martineau C Moutet	4	4				2	R Arneodo H Nys	64	4
	2	R Arneodo H Nys	6	6