| Singles | |
|---|---|
| 2018 Pekao Szczecin Open | |
| Champion |  Guido Andreozzi |
| Runner-up |  Alejandro Davidovich Fokina |
| Score | 6–4, 4–6, 6–3 |
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.
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)| Semifinals | Final | ||||||||||||
| Q | Alejandro Davidovich Fokina | 6 | 2 | 6 | |||||||||
 Rudolf Molleker | 1 | 6 | 2 | ||||||||||
| Q | Alejandro Davidovich Fokina | 4 | 6 | 3 | |||||||||
| 4 | Guido Andreozzi | 6 | 4 | 6 | |||||||||
| 4 | Guido Andreozzi | 3 | 77 | 6 | |||||||||
| Q | Facundo Argüello | 6 | 64 | 4 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Lorenzi | 4 | 6 | 5 | |||||||||||||||||||||||
| S Gutiérrez Ferrol | 6 | 3 | 7 | S Gutiérrez Ferrol | 5 | 60 | |||||||||||||||||||||
| S Caruso | 4 | 2 | Q | A Davidovich Fokina | 7 | 77 | |||||||||||||||||||||
| Q | A Davidovich Fokina | 6 | 6 | Q | A Davidovich Fokina | 77 | 0 | 6 | |||||||||||||||||||
| WC |  K Drzewiecki | 3 | 4 | G Quinzi | 63 | 6 | 4 | ||||||||||||||||||||
| G Quinzi | 6 | 6 | G Quinzi | 6 | 6 | ||||||||||||||||||||||
| Q |  MT Barrios Vera | 77 | 77 | Q | MT Barrios Vera | 1 | 3 | ||||||||||||||||||||
| 7 | C Ruud | 63 | 65 | Q | A Davidovich Fokina | 6 | 2 | 6 | |||||||||||||||||||
| LL |  I Gakhov | 2 | 65 | R Molleker | 1 | 6 | 2 | ||||||||||||||||||||
| A Arnaboldi | 6 | 77 | 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 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | L Sonego | 2 | 6 | 4 | |||||||||||||||||||||||
| A Vatutin | 6 | 1 | 6 | A Vatutin | 610 | 6 | 6 | ||||||||||||||||||||
| L Giustino | 610 | 6 | 78 | L Giustino | 712 | 1 | 0 | ||||||||||||||||||||
| D Brown | 712 | 1 | 66 | 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 | 77 | 6 | |||||||||||||||||||
| 8 | S Bolelli | 7 | 4 | 6 | Q | F Argüello | 6 | 64 | 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 | 1r | Q | F Argüello | 77 | 6 | ||||||||||||||||||||
| T Robredo | 64 | 65 | 2 | R Carballés Baena | 64 | 3 | |||||||||||||||||||||
| 2 | R Carballés Baena | 77 | 77 | ||||||||||||||||||||||||
Brian Dabul was the defending champion, but decided not to participate.
Guido Pella won the title, defeating Maximiliano Estévez 6–4, 7–5 in the final.
Guido Pella was the defending champion, but decided not to participate.
Michael Russell defeated Greg Jones 4–6, 6–0, 7–5 in the final to win the title.
Paolo Lorenzi was the defending champion, but chose to compete at the 2013 ATP Vegeta Croatia Open Umag instead.
Guido Andreozzi was the defending champion, but lost to compatriot Martín Alund in the quarterfinals.
Top seed Horacio Zeballos won the title defeating Facundo Bagnis 6–7(4–7), 6–3, 6–3.
David Ferrer was the two-time defending champion and successfully defended his title by beating Fabio Fognini in the final 6–4, 6–3.
Last year's champion Rogério Dutra da Silva was not defending his title.
Guilherme Clezar was the current champion, and returned to defend his title, but lost in quarterfinals to Diego Schwartzman.
Facundo Argüello was the defending champion, but lost in the quarterfinals to Guido Andreozzi.
Rafael Nadal was the defending champion, but chose not to participate this year.
Philipp Kohlschreiber was the defending champion, but lost in the second round to Karen Khachanov.
Dominic Thiem was the defending champion, but chose to compete in Rotterdam instead.
Pablo Cuevas was the two-time defending champion and successfully defended his title, defeating Albert Ramos Viñolas in the final, 6–7(3–7), 6–4, 6–4.
Juan Mónaco was the defending champion, but lost in the first round to Dustin Brown.
Guido Andreozzi was the defending champion but lost in the first round to Lorenzo Giustino.
Radu Albot was the defending champion but chose not to defend his title.
Guido Andreozzi was the defending champion but chose not to defend his title.
Roberto Bautista Agut was the defending champion, but chose not to participate this year.
Gerald Melzer was the defending champion but lost in the first round to Federico Coria.
Guido Andreozzi was the defending champion but lost to Jozef Kovalík in the final.
Cristian Garín was the defending champion, but chose not to defend his title.