Doubles
2018 Bauer Watertechnology Cup
Champions	Kevin Krawietz Andreas Mies
Runners-up	Hugo Nys Jonny O'Mara
Score	6–1, 6–4

Sander Arends and Roman Jebavý were the defending champions but only Arends chose to defend his title, partnering Romain Arneodo. Arends lost in the semifinals to Hugo Nys and Jonny O'Mara.

Kevin Krawietz and Andreas Mies won the title after defeating Nys and O'Mara 6–1, 6–4 in the final.

Seeds

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	M Daniell M Demoliner	63	77	[10]
		A Vasilevski T-S Weissborn	77	65	[7]			1	M Daniell M Demoliner	77	64	[10]
	WC	D Masur C Seraphim	6	7				WC	D Masur C Seraphim	64	77	[7]
		S Gillé J Vliegen	3	5											1	M Daniell M Demoliner	65	6	[8]
	4	K Krawietz A Mies	64	6	[10]										4	K Krawietz A Mies	77	3	[10]
		A Martin H Podlipnik Castillo	77	2	[8]			4	K Krawietz A Mies	7	6
		R Junaid D Pel	61	3				WC	J Härteis K Lemstra	5	4
	WC	J Härteis Kai Lemstra	77	6																		4	K Krawietz A Mies	6	6
		F Martin J Ocleppo	4	63																		2	H Nys J O'Mara	1	4
	Alt	A Begemann F Polášek	6	77				Alt	A Begemann F Polášek	6	3	[5]
		J Cerretani J Erlich	4	6	[7]			3	S Arends R Arneodo	4	6	[10]
	3	S Arends R Arneodo	6	1	[10]										3	S Arends R Arneodo	7	5	[11]
		P Raja A Šančić	64	78	[10]										2	H Nys J O'Mara	5	7	[13]
		S Bolelli S Stakhovsky	77	66	[0]				P Raja A Šančić	77	5	[7]
		A Bury E Donskoy	65	63				2	H Nys J O'Mara	64	7	[10]
	2	H Nys J O'Mara	77	77

References

• Main Draw