2018 Generali Open Kitzbühel – Singles

{{Tennis events|2018|Generali Open Kitzbühel| | runner = Martin Kližan | score = [[flagicon|UZB}} Denis Istomin | draw = 28 (4 Q / 3 WC ) | seeds = 8 | type = singles doubles }}

Main article: 2018 Generali Open Kitzbühel

Philipp Kohlschreiber was the defending champion, but lost in the second round to Denis Istomin.

Martin Kližan won the title, defeating Istomin in the final, 6–2, 6–2. The final was the first on the ATP World Tour to be played between two qualifiers since the 2015 Apia International Sydney tournament.

Seeds

The top four seeds receive a bye into the second round.

1. Dominic Thiem (Second round)
2. Philipp Kohlschreiber (Second round)
3. Fernando Verdasco (Second round)
4. Robin Haase (Second round)
5. Gilles Simon (First round)
6. Maximilian Marterer (Quarterfinals)
7. Jan-Lennard Struff (First round)
8. Dušan Lajović (Quarterfinals)

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

Finals

	Semifinals							Final
	Q	Martin Kližan	77	6
		Jaume Munar	63	3
								Q	Martin Kližan	6	6
								Q	Denis Istomin	2	2
		Nicolás Jarry	5	77	4
	Q	Denis Istomin	7	64	6

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								1	D Thiem	1	6	5
	WC	S Ofner	2	4				Q	M Kližan	6	1	7
	Q	M Kližan	6	6											Q	M Kližan	4	78	6
	Q	J Rodionov	4	6	1										8	D Lajović	6	66	2
	WC	D Novak	6	0	6			WC	D Novak	2	4
		G García López	4	2				8	D Lajović	6	6
	8	D Lajović	6	6																		Q	M Kližan	77	6
																							J Munar	63	3
								4	R Haase	65	4
		J Munar	2	77	6				J Munar	77	6
	Q	Y Hanfmann	6	65	1											J Munar	77	6
		L Đere	6	6												T Daniel	63	3
		N Basilashvili	3	3					L Đere	3	2
		T Daniel	77	6					T Daniel	6	6
	7	J-L Struff	63	1

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	5	G Simon	6	3	4
		M Berrettini	1	6	6				M Berrettini	6	63	6
	SE	J Kovalík	1	3					R Albot	3	77	1
		R Albot	6	6												M Berrettini	5	3
		R Carballés Baena	63	77	4											N Jarry	7	6
		N Jarry	77	65	6				N Jarry	66	7	6
								3	F Verdasco	78	5	3
																							N Jarry	5	77	4
	6	M Marterer	6	3	6																	Q	D Istomin	7	64	6
	SE	J Zopp	4	6	3			6	M Marterer	6	6
	WC	C Moutet	6	3	4				M Kukushkin	3	4
		M Kukushkin	4	6	6										6	M Marterer	3	3
	Q	D Istomin	77	6											Q	D Istomin	6	6
		F Delbonis	65	2				Q	D Istomin	5	6	6
								2	P Kohlschreiber	7	3	1

Qualifying

Seeds

1. Denis Istomin (Qualified)
2. Yannick Hanfmann (Qualified)
3. Gerald Melzer (Qualifying competition)
4. Ernests Gulbis (First round)
5. Martin Kližan (Qualified)
6. Guido Andreozzi (First round)
7. Yannick Maden (Qualifying competition)
8. Lorenzo Sonego (Qualifying competition)

Qualifiers

1. Denis Istomin
2. Yannick Hanfmann
3. Martin Kližan
4. Jurij Rodionov

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Denis Istomin	6	6
		Elliot Benchetrit	3	2
								1	Denis Istomin	6	67	7
									Thiago Monteiro	1	79	5
		Thiago Monteiro	3	6	7
	6	Guido Andreozzi	6	4	5

Second qualifier

	First Round							Qualifying Competition
	2	Yannick Hanfmann	6	7
	WC	Thiago Seyboth Wild	2	5
								2	Yannick Hanfmann	6	6
								7	Yannick Maden	4	4
		Viktor Galović	4	4
	7	Yannick Maden	6	6

Third qualifier

	First Round							Qualifying Competition
	3	Gerald Melzer	6	0
		Blaž Rola	4	1r
								3	Gerald Melzer	1	3
								5	Martin Kližan	6	6
		Facundo Bagnis	6	4	60
	5	Martin Kližan	4	6	77

Fourth qualifier

	First Round							Qualifying Competition
	4	Ernests Gulbis	2	4
		Jurij Rodionov	6	6
									Jurij Rodionov	6	6
								8	Lorenzo Sonego	1	4
	WC	Matthias Haim	77	3	4
	8	Lorenzo Sonego	65	6	6

References

• Main draw
• Qualifying draw