# 2018 Swiss Open Gstaad – Singles

Fabio Fognini was the defending champion, but lost in the second round to Jürgen Zopp.
Matteo Berrettini won his first ATP World Tour title, defeating Roberto Bautista Agut in the final, 7–6$^{(11–9)}$, 6–4.

## Seeds

The top four seeds receive a bye into the second round.
* Fabio Fognini (second round)
* Roberto Bautista Agut (final)
* Borna Ćorić (second round)
* Andrey Rublev (second round)
* Robin Haase (first round)
* João Sousa (first round)
* Guillermo García López (first round)
* Feliciano López (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 | Jürgen Zopp | 4 | 6$^6$ | | | | | |
| | Matteo Berrettini | 6 | 7$^8$ | | | | | |
| | Matteo Berrettini | 6 | 7$^8$ | | | Matteo Berrettini | 7$^{11}$ | 6 |
| | | | | | 2 | Roberto Bautista Agut | 6$^9$ | 4 |
| | Laslo Đere | 7$^7$ | 4 | 4 | 2 | Roberto Bautista Agut | 6$^9$ | 4 |
| 2 | Roberto Bautista Agut | 6$^5$ | 6 | 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 | F Fognini | 1 | 6 | 3 | | | | | | | | | |
| Q | Y Hanfmann | 6 | 3 | 6$^4$ | Q | J Zopp | 6 | 3 | 6 | | | | | | | | | |
| Q | J Zopp | 3 | 6 | 7$^7$ | | | | | | Q | J Zopp | 3 | 6 | 6 | | | | |
| WC | M-A Hüsler | 6$^8$ | 6 | 7$^7$ | | | | | | Q | F Bagnis | 6 | 4 | 3 | | | | |
| WC | N Almagro | 7$^{10}$ | 3 | 6$^4$ | WC | M-A Hüsler | 6$^{10}$ | 1 | | | | | | | | | | |
| Q | F Bagnis | 4 | 6 | 7 | Q | F Bagnis | 7$^{12}$ | 6 | | | | | | | | | | |
| 6 | J Sousa | 6 | 3 | 5 | | | | | | | | | | | Q | J Zopp | 4 | 6$^6$ |
| | | | | | | | | | | | | | | | | M Berrettini | 6 | 7$^8$ |
| | | | | | 4 | A Rublev | 3 | 3 | | | | | | | | | | |
| | M Berrettini | 6 | 6 | | | M Berrettini | 6 | 6 | | | | | | | | | | |
| | R Albot | 4 | 2 | | | | | | | | M Berrettini | 6 | 6 | | | | | |
| LL | O Roca Batalla | 6 | 6$^4$ | 6 | | | | | | 8 | F López | 4 | 3 | | | | | |
| | P Lorenzi | 3 | 7$^7$ | 3 | LL | O Roca Batalla | 6 | 6$^4$ | 4 | | | | | | | | | |
| | F Delbonis | 3 | 6$^3$ | | 8 | F López | 4 | 7$^7$ | 6 | | | | | | | | | |
| 8 | F López | 6 | 7$^7$ | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | R Haase | 1 | 6 | 3 | | | | | | | | | | | | | | | |
| LL | V Galović | 6 | 3 | 6 | LL | V Galović | 3 | 6 | 6 | | | | | | | | | | |
| WC | F Auger-Aliassime | 6 | 7$^7$ | | WC | F Auger-Aliassime | 6 | 4 | 2 | | | | | | | | | | |
| | G Andreozzi | 3 | 6$^3$ | | | | | | | LL | V Galović | 7$^7$ | 3 | 6$^5$ | | | | | |
| | L Đere | 7$^8$ | 7 | | | | | | | | L Đere | 6$^5$ | 6 | 7$^7$ | | | | | |
| | D Istomin | 6$^6$ | 5 | | | L Đere | 6 | 1 | 6 | | | | | | | | | | |
| | | | | | 3 | B Ćorić | 4 | 6 | 1 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | L Đere | 7$^7$ | 4 | 4 |
| 7 | G García López | 6$^3$ | 2 | | | | | | | | | | | | 2 | R Bautista Agut | 6$^5$ | 6 | 6 |
| | R Carballés Baena | 7$^7$ | 6 | | | R Carballés Baena | 4 | 6 | 6$^4$ | | | | | | | | | | |
| | E Ymer | 6$^9$ | 5 | | | T Daniel | 6 | 4 | 7$^7$ | | | | | | | | | | |
| | T Daniel | 7$^{11}$ | 7 | | | | | | | | T Daniel | 5 | 1 | | | | | | |
| | J Munar | 6 | 6 | | | | | | | 2 | R Bautista Agut | 7 | 6 | | | | | | |
| Q | A Menéndez Maceiras | 1 | 0 | | | J Munar | 6 | 3 | 2 | | | | | | | | | | |
| | | | | | 2 | R Bautista Agut | 2 | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Yannick Hanfmann (qualified)
* Jürgen Zopp (qualified)
* Ernests Gulbis (withdrew)
* Adrián Menéndez Maceiras (qualified)
* Facundo Bagnis (qualified)
* Matteo Donati (first round)
* Kenny de Schepper (first round)
* Viktor Galović (qualifying competition, lucky loser)

### Qualifiers

* Yannick Hanfmann
* Jürgen Zopp
* Facundo Bagnis
* Adrián Menéndez Maceiras

### Lucky losers

* Viktor Galović
* Oriol Roca Batalla

### 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 | Yannick Hanfmann | 6 | 6 | | | | | | |
| WC | Luca Margaroli | 4 | 2 | | | | | | |
| WC | Luca Margaroli | 4 | 2 | | 1 | Yannick Hanfmann | 6$^4$ | 7$^7$ | 6 |
| | | | | | 8 | Viktor Galović | 7$^7$ | 6$^5$ | 4 |
| Alt | Gonzalo Escobar | 3 | 6 | 6$^5$ | 8 | Viktor Galović | 7$^7$ | 6$^5$ | 4 |
| 8 | Viktor Galović | 6 | 3 | 7$^7$ | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Jürgen Zopp | 6 | 6 | | | | |
| Alt | Andrés Molteni | 2 | 3 | | | | |
| Alt | Andrés Molteni | 2 | 3 | 2 | Jürgen Zopp | 6 | 6 |
| | | | | | Oriol Roca Batalla | 3 | 4 |
| | Oriol Roca Batalla | 6 | 7 | | Oriol Roca Batalla | 3 | 4 |
| 7 | Kenny de Schepper | 2 | 5 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Yann Marti | 6 | 6 | | | | |
| Alt | Adrian Bodmer | 4 | 3 | | | | |
| Alt | Adrian Bodmer | 4 | 3 | | Alt | Yann Marti | d |
| | | | | | 5 | Facundo Bagnis | |
| | Kevin Krawietz | 3 | 6 | 2 | 5 | Facundo Bagnis | |
| 5 | Facundo Bagnis | 6 | 4 | 6 | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Adrián Menéndez Maceiras | 6 | 7 | | | | | |
| PR | Santiago Giraldo | 3 | 5 | | | | | |
| PR | Santiago Giraldo | 3 | 5 | | 4 | Adrián Menéndez Maceiras | 6 | 6 |
| | | | | | WC | Jakub Paul | 3 | 0 |
| WC | Jakub Paul | 4 | 6 | 6 | WC | Jakub Paul | 3 | 0 |
| 6 | Matteo Donati | 6 | 4 | 4 | | | | |