Juan Sebastián Cabal and Robert Farah were the two-time defending champions, but lost in the second round to Rohan Bopanna and Denis Shapovalov.^[1]

Marcel Granollers and Horacio Zeballos won the title, defeating Jérémy Chardy and Fabrice Martin in the final, 6–4, 5–7, [10–8].

Seeds

Draw

Key

Finals

	Semifinals							Final
		Jérémy Chardy Fabrice Martin	65	6	[10]
		Jürgen Melzer Édouard Roger-Vasselin	77	4	[4]
									Jérémy Chardy Fabrice Martin	4	7	[8]
								4	Marcel Granollers Horacio Zeballos	6	5	[10]
	4	Marcel Granollers Horacio Zeballos	77	77
		John Peers Michael Venus	64	65

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	JS Cabal R Farah	6	6
		P Carreño Busta A de Minaur	2	3				1	JS Cabal R Farah	3	6	[5]
		R Bopanna D Shapovalov	6	6					R Bopanna D Shapovalov	6	3	[10]
		C Garín G Pella	4	4												R Bopanna D Shapovalov	6	5	[7]
		J Chardy F Martin	77	6												J Chardy F Martin	4	7	[10]
	PR	K Anderson J Erlich	61	4					J Chardy F Martin	4	77	[10]
		J-J Rojer H Tecău	4	4				8	W Koolhof N Mektić	6	62	[0]
	8	W Koolhof N Mektić	6	6																			J Chardy F Martin	65	6	[10]
	3	Ł Kubot M Melo	66	6	[6]																		J Melzer É Roger-Vasselin	77	4	[4]
		N Mahut B Paire	78	2	[10]				N Mahut B Paire	2	4
		J Melzer É Roger-Vasselin	6	1	[11]				J Melzer É Roger-Vasselin	6	6
		A-u-H Qureshi S Tsitsipas	4	6	[9]											J Melzer É Roger-Vasselin	6	6
		M González D Schwartzman	5	6	[10]											M Purcell L Saville	1	1
		G Dimitrov D Evans	7	2	[8]				M González D Schwartzman	6	3	[9]
		M Purcell L Saville	7	7					M Purcell L Saville	2	6	[11]
	7	R Klaasen O Marach	5	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	I Dodig F Polášek	1	3
		M Pavić B Soares	6	6					M Pavić B Soares	6	6
		S Gillé J Vliegen	64	7	[10]				S Gillé J Vliegen	3	2
	WC	S Bolelli F Fognini	77	5	[8]											M Pavić B Soares	6	67	[6]
		A Krajicek F Škugor	5	4											4	M Granollers H Zeballos	4	79	[10]
		F Auger-Aliassime M Raonic	7	6					F Auger-Aliassime M Raonic	6	4	[3]
	WC	G Mager A Seppi	3	2				4	M Granollers H Zeballos	4	6	[10]
	4	M Granollers H Zeballos	6	6																		4	M Granollers H Zeballos	77	77
	6	K Krawietz A Mies	7	3	[8]																		J Peers M Venus	64	65
		H Kontinen J-L Struff	5	6	[10]				H Kontinen J-L Struff	64	6	[12]
		J Murray N Skupski	3	5					J Peers M Venus	77	3	[14]
		J Peers M Venus	6	7												J Peers M Venus	6	3	[10]
		K Khachanov A Rublev	4	5											WC	L Sonego A Vavassori	3	6	[7]
		N Ćaćić D Lajović	6	7					N Ćaćić D Lajović	4	4
	WC	L Sonego A Vavassori	4	77	[10]			WC	L Sonego A Vavassori	6	6
	2	R Ram J Salisbury	6	63	[7]