Singles
2018 Poznań Open
Champion	Hubert Hurkacz
Runner-up	Taro Daniel
Score	6–1, 6–1

Alexey Vatutin was the defending champion but lost in the quarterfinals to Hubert Hurkacz.

Hurkacz won the title after defeating Taro Daniel 6–1, 6–1 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Taro Daniel	78	6
	6	Quentin Halys	66	3
								1	Taro Daniel	1	1
									Hubert Hurkacz	6	6
		Alessandro Giannessi	4	6	3
		Hubert Hurkacz	6	3	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Daniel	7	6
		M Kecmanović	5	3				1	T Daniel	6	6
	Alt	T Brkić	1	4				Q	M Bourgue	4	2
	Q	M Bourgue	6	6											1	T Daniel	6	7
		F Bagnis	6	7												F Bagnis	4	5
		J Kovalík	3	5					F Bagnis	6	77
		R Quiroz	2	7	3			5/WC	M Granollers	1	64
	5/WC	M Granollers	6	5	6																	1	T Daniel	78	6
	3	M Kližan	6	6																		6	Q Halys	66	3
	Alt	M Krueger	2	2				3	M Kližan	3	3
		O Otte	2	6	3			Q	A Arnaboldi	6	6
	Q	A Arnaboldi	6	3	6										Q	A Arnaboldi	1	63
	Q	A Escoffier	6	6											6	Q Halys	6	77
		A Santillan	4	3				Q	A Escoffier	63	7	4
	WC	VV Cornea	1	4				6	Q Halys	77	5	6
	6	Q Halys	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	H Laaksonen	6	6
		J Kubler	4	2				7	H Laaksonen	0	1
		D Novak	3	2					A Balázs	6	6
		A Balázs	6	6												A Balázs	4	5
	WC	Paweł Ciaś	3	6	4											A Giannessi	6	7
		V Estrella Burgos	6	1	6				V Estrella Burgos	6	3	3
		A Giannessi	6	6					A Giannessi	4	6	6
	4	P Sousa	2	3																			A Giannessi	4	6	3
	8	A Vatutin	6	6																			H Hurkacz	6	3	6
		K de Schepper	2	4				8	A Vatutin	77	4	6
	Q	Jeremy Jahn	6	2	6			Q	J Jahn	64	6	3
		K Majchrzak	3	6	0										8	A Vatutin	3	2
	WC	Michał Dembek	64	3												H Hurkacz	6	6
		M Donati	77	6					M Donati	3	77	3
		H Hurkacz	6	7					H Hurkacz	6	65	6
	2	G Andreozzi	1	5

External links

• Main draw
• Qualifying draw