Singles
2018 Bauer Watertechnology Cup
Champion	Antoine Hoang
Runner-up	Ruben Bemelmans
Score	7–5, 6–3

Maximilian Marterer was the defending champion but chose not to defend his title.

Antoine Hoang won the title after defeating Ruben Bemelmans 7–5, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	7	Ruben Bemelmans	6	6
	4	Evgeny Donskoy	2	3
								7	Ruben Bemelmans	5	3
									Antoine Hoang	7	6
	Q	Gleb Sakharov	4	2
		Antoine Hoang	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	L Lacko	61	3
		S Bolelli	77	6					S Bolelli	4	7	3
	WC	D Masur	6	6				WC	D Masur	6	5	6
	LL	B Gojo	3	0											WC	D Masur	6	2	3
	WC	L Wessels	3	1											7	R Bemelmans	1	6	6
		O Otte	6	6					O Otte	4	1
		D Brands	6	4	3			7	R Bemelmans	6	6
	7	R Bemelmans	4	6	6																	7	R Bemelmans	6	6
	4	E Donskoy	6	6																		4	E Donskoy	2	3
	Q	I Sijsling	1	1				4	E Donskoy	5	7	6
		K de Schepper	63	4				LL	B Bonzi	7	5	4
	LL	B Bonzi	77	6											4	E Donskoy	6	77
	LL	A Bublik	1	6	6										Q	A Olivetti	4	62
		A Martin	6	2	2			LL	A Bublik	2	63
	Q	A Olivetti	77	3	6			Q	A Olivetti	6	77
	6	M Baghdatis	65	6	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	D Novak	7	6
		M Moraing	5	4				8	D Novak	2	710	4
	WC	K Krawietz	711	4	63				M Bachinger	6	68	6
		M Bachinger	69	6	77											M Bachinger	6	5	1
	Alt	A Vatutin	1	4											Q	G Sakharov	3	7	6
	Q	G Sakharov	6	6				Q	G Sakharov	6	77
		Q Halys	67	65				3	G García López	4	60
	3	G García López	79	77																		Q	G Sakharov	4	2
	5	Y Maden	3	63																			A Hoang	6	6
		A Hoang	6	77					A Hoang	6	6
	Q	R Marcora	4	4					S Stakhovsky	2	2
		S Stakhovsky	6	6												A Hoang	6	1	6
		L Rosol	3	6	6											L Rosol	3	6	4
	WC	R Molleker	6	3	2				L Rosol	5
		M Donati	3	6	3			2	H Hurkacz	2r
	2	H Hurkacz	6	3	6

References

• Main Draw
• Qualifying Draw