# 2018 Generali Open Kitzbühel – Singles

Martin Kližan won the title, defeating Denis Istomin in the final, 6–2, 6–2. This was the second final in ATP history to be contested between two qualifiers, the first occurring at the 2015 Apia International Sydney.
Philipp Kohlschreiber was the defending champion, but lost in the second round to Istomin.

## Seeds

The top four seeds receive a bye into the second round.
* Dominic Thiem (second round)
* Philipp Kohlschreiber (second round)
* Fernando Verdasco (second round)
* Robin Haase (second round)
* Gilles Simon (first round)
* Maximilian Marterer (quarterfinals)
* Jan-Lennard Struff (first round)
* 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| Q | Martin Kližan | 7$^7$ | 6 | | | | | |
| | Jaume Munar | 6$^3$ | 3 | | | | | |
| | Jaume Munar | 6$^3$ | 3 | | Q | Martin Kližan | 6 | 6 |
| | | | | | Q | Denis Istomin | 2 | 2 |
| | Nicolás Jarry | 5 | 7$^7$ | 4 | Q | Denis Istomin | 2 | 2 |
| Q | Denis Istomin | 7 | 6$^4$ | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | 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 | 7$^8$ | 6 | | | | |
| Q | J Rodionov | 4 | 6 | 1 | | | | | | 8 | D Lajović | 6 | 6$^6$ | 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 | 7$^7$ | 6 |
| | | | | | | | | | | | | | | | | J Munar | 6$^3$ | 3 |
| | | | | | 4 | R Haase | 6$^5$ | 4 | | | | | | | | | | |
| | J Munar | 2 | 7$^7$ | 6 | | J Munar | 7$^7$ | 6 | | | | | | | | | | |
| Q | Y Hanfmann | 6 | 6$^5$ | 1 | | | | | | | J Munar | 7$^7$ | 6 | | | | | |
| | L Đere | 6 | 6 | | | | | | | | T Daniel | 6$^3$ | 3 | | | | | |
| | N Basilashvili | 3 | 3 | | | L Đere | 3 | 2 | | | | | | | | | | |
| | T Daniel | 7$^7$ | 6 | | | T Daniel | 6 | 6 | | | | | | | | | | |
| 7 | J-L Struff | 6$^3$ | 1 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | G Simon | 6 | 3 | 4 | | | | | | | | | | | | | | |
| | M Berrettini | 1 | 6 | 6 | | M Berrettini | 6 | 6$^3$ | 6 | | | | | | | | | |
| SE | J Kovalík | 1 | 3 | | | R Albot | 3 | 7$^7$ | 1 | | | | | | | | | |
| | R Albot | 6 | 6 | | | | | | | | M Berrettini | 5 | 3 | | | | | |
| | R Carballés Baena | 6$^3$ | 7$^7$ | 4 | | | | | | | N Jarry | 7 | 6 | | | | | |
| | N Jarry | 7$^7$ | 6$^5$ | 6 | | N Jarry | 6$^6$ | 7 | 6 | | | | | | | | | |
| | | | | | 3 | F Verdasco | 7$^8$ | 5 | 3 | | | | | | | | | |
| | | | | | | | | | | | | | | | N Jarry | 5 | 7$^7$ | 4 |
| 6 | M Marterer | 6 | 3 | 6 | | | | | | | | | | Q | D Istomin | 7 | 6$^4$ | 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 | 7$^7$ | 6 | | | | | | | Q | D Istomin | 6 | 6 | | | | | |
| | F Delbonis | 6$^5$ | 2 | | Q | D Istomin | 5 | 6 | 6 | | | | | | | | | |
| | | | | | 2 | P Kohlschreiber | 7 | 3 | 1 | | | | | | | | | |

## Qualifying
### Seeds

* Denis Istomin (qualified)
* Yannick Hanfmann (qualified)
* Gerald Melzer (qualifying competition)
* Ernests Gulbis (first round)
* Martin Kližan (qualified)
* Guido Andreozzi (first round)
* Yannick Maden (qualifying competition)
* Lorenzo Sonego (qualifying competition)

### Qualifiers

* Denis Istomin
* Yannick Hanfmann
* Martin Kližan
* Jurij Rodionov

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Denis Istomin | 6 | 6 | | | | | | |
| | Elliot Benchetrit | 3 | 2 | | | | | | |
| | Elliot Benchetrit | 3 | 2 | | 1 | Denis Istomin | 6 | 6$^7$ | 7 |
| | | | | | | Thiago Monteiro | 1 | 7$^9$ | 5 |
| | Thiago Monteiro | 3 | 6 | 7 | | Thiago Monteiro | 1 | 7$^9$ | 5 |
| 6 | Guido Andreozzi | 6 | 4 | 5 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Yannick Hanfmann | 6 | 7 | | | | |
| WC | Thiago Seyboth Wild | 2 | 5 | | | | |
| WC | Thiago Seyboth Wild | 2 | 5 | 2 | Yannick Hanfmann | 6 | 6 |
| | | | | 7 | Yannick Maden | 4 | 4 |
| | Viktor Galović | 4 | 4 | 7 | Yannick Maden | 4 | 4 |
| 7 | Yannick Maden | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Gerald Melzer | 6 | 0 | | | | | |
| | Blaž Rola | 4 | 1$^r$ | | | | | |
| | Blaž Rola | 4 | 1$^r$ | | 3 | Gerald Melzer | 1 | 3 |
| | | | | | 5 | Martin Kližan | 6 | 6 |
| | Facundo Bagnis | 6 | 4 | 6$^0$ | 5 | Martin Kližan | 6 | 6 |
| 5 | Martin Kližan | 4 | 6 | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Ernests Gulbis | 2 | 4 | | | | | |
| | Jurij Rodionov | 6 | 6 | | | | | |
| | Jurij Rodionov | 6 | 6 | | | Jurij Rodionov | 6 | 6 |
| | | | | | 8 | Lorenzo Sonego | 1 | 4 |
| WC | Matthias Haim | 7$^7$ | 3 | 4 | 8 | Lorenzo Sonego | 1 | 4 |
| 8 | Lorenzo Sonego | 6$^5$ | 6 | 6 | | | | |