# 2018 Pekao Szczecin Open – Singles

Richard Gasquet was the defending champion but chose not to defend his title.
Guido Andreozzi won the title after defeating Alejandro Davidovich Fokina 6–4, 4–6, 6–3 in the final.

## Seeds

* Paolo Lorenzi (first round)
* Roberto Carballés Baena (second round)
* Federico Delbonis (withdrew)
* Guido Andreozzi (champion)
* Thiago Monteiro (second round)
* Lorenzo Sonego (first round)
* Casper Ruud (first round)
* Simone Bolelli (second round)

## 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 | Final |
| Q | Alejandro Davidovich Fokina | 6 | 2 | 6 | | | | | |
| | Rudolf Molleker | 1 | 6 | 2 | | | | | |
| | Rudolf Molleker | 1 | 6 | 2 | Q | Alejandro Davidovich Fokina | 4 | 6 | 3 |
| | | | | | 4 | Guido Andreozzi | 6 | 4 | 6 |
| 4 | Guido Andreozzi | 3 | 7$^7$ | 6 | 4 | Guido Andreozzi | 6 | 4 | 6 |
| Q | Facundo Argüello | 6 | 6$^4$ | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | P Lorenzi | 4 | 6 | 5 | | | | | | | | | | | | | | |
| | S Gutiérrez Ferrol | 6 | 3 | 7 | | S Gutiérrez Ferrol | 5 | 6$^0$ | | | | | | | | | | |
| | S Caruso | 4 | 2 | | Q | A Davidovich Fokina | 7 | 7$^7$ | | | | | | | | | | |
| Q | A Davidovich Fokina | 6 | 6 | | | | | | Q | A Davidovich Fokina | 7$^7$ | 0 | 6 | | | | | |
| WC | K Drzewiecki | 3 | 4 | | | | | | | G Quinzi | 6$^3$ | 6 | 4 | | | | | |
| | G Quinzi | 6 | 6 | | | G Quinzi | 6 | 6 | | | | | | | | | | |
| Q | MT Barrios Vera | 7$^7$ | 7$^7$ | | Q | MT Barrios Vera | 1 | 3 | | | | | | | | | | |
| 7 | C Ruud | 6$^3$ | 6$^5$ | | | | | | | | | | | Q | A Davidovich Fokina | 6 | 2 | 6 |
| LL | I Gakhov | 2 | 6$^5$ | | | | | | | | | | | | R Molleker | 1 | 6 | 2 |
| | A Arnaboldi | 6 | 7$^7$ | | | A Arnaboldi | 2 | 4 | | | | | | | | | | |
| LL | R Marcora | 6 | 6 | | LL | R Marcora | 6 | 6 | | | | | | | | | | |
| | Z Kolář | 3 | 2 | | | | | | LL | R Marcora | 2 | 4 | | | | | | |
| | R Molleker | 6 | 6 | | | | | | | R Molleker | 6 | 6 | | | | | | |
| WC | Maciej Rajski | 3 | 2 | | | R Molleker | 6 | 7 | | | | | | | | | | |
| SE | A Molčan | 0 | 2 | | 5 | T Monteiro | 3 | 5 | | | | | | | | | | |
| 5 | T Monteiro | 6 | 6 | | | | | | | | | | | | | | | |

### 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 |
| 6 | L Sonego | 2 | 6 | 4 | | | | | | | | | | | | | | | |
| | A Vatutin | 6 | 1 | 6 | | A Vatutin | 6$^{10}$ | 6 | 6 | | | | | | | | | | |
| | L Giustino | 6$^{10}$ | 6 | 7$^8$ | | L Giustino | 7$^{12}$ | 1 | 0 | | | | | | | | | | |
| | D Brown | 7$^{12}$ | 1 | 6$^6$ | | | | | | | A Vatutin | 5 | 6 | 1 | | | | | |
| | GM Moroni | 2 | 2 | | | | | | | 4 | G Andreozzi | 7 | 1 | 6 | | | | | |
| | M Vilella Martínez | 6 | 6 | | | M Vilella Martínez | 4 | 3 | | | | | | | | | | | |
| Q | J Šátral | 4 | 2 | | 4 | G Andreozzi | 6 | 6 | | | | | | | | | | | |
| 4 | G Andreozzi | 6 | 6 | | | | | | | | | | | | 4 | G Andreozzi | 3 | 7$^7$ | 6 |
| 8 | S Bolelli | 7 | 4 | 6 | | | | | | | | | | | Q | F Argüello | 6 | 6$^4$ | 4 |
| | K de Schepper | 5 | 6 | 2 | 8 | S Bolelli | 2 | 4 | | | | | | | | | | | |
| | R Dutra Silva | 7 | 6 | | | R Dutra Silva | 6 | 6 | | | | | | | | | | | |
| WC | Paweł Ciaś | 5 | 3 | | | | | | | | R Dutra Silva | 6 | 3 | 2 | | | | | |
| Q | F Argüello | 7 | 2 | | | | | | | Q | F Argüello | 4 | 6 | 6 | | | | | |
| WC | N Almagro | 5 | 1$^r$ | | Q | F Argüello | 7$^7$ | 6 | | | | | | | | | | | |
| | T Robredo | 6$^4$ | 6$^5$ | | 2 | R Carballés Baena | 6$^4$ | 3 | | | | | | | | | | | |
| 2 | R Carballés Baena | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | | | |