| Date: | 10–16 September |
| Edition: | 26th |
| Surface: | Clay |
| Location: | Szczecin, Poland |
| Champs: |  Guido Andreozzi |
| Champd: |  Karol Drzewiecki /  Filip Polášek |
The 2018 Pekao Szczecin Open was a professional tennis tournament played on clay courts. It was the 26th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Szczecin, Poland between 10 and 16 September 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Italy | Paolo Lorenzi | 94 | 1 | |
 Spain | Roberto Carballés Baena | 97 | 2 | |
| Argentina | ||||
| Argentina | Guido Andreozzi | 113 | 4 | |
 Brazil | Thiago Monteiro | 118 | 5 | |
| Italy | Lorenzo Sonego | 121 | 6 | |
 Norway | Casper Ruud | 143 | 7 | |
| Italy | Simone Bolelli | 144 | 8 |
The following players received wildcards into the singles main draw:
Nicolás Almagro Paweł Ciaś Karol Drzewiecki Maciej RajskiThe following player received entry into the singles main draw as a special exempt:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
See main article: 2018 Pekao Szczecin Open – Singles.
Guido Andreozzi def. Alejandro Davidovich Fokina 6–4, 4–6, 6–3.See main article: 2018 Pekao Szczecin Open – Doubles.
Karol Drzewiecki / Filip Polášek def. Guido Andreozzi / Guillermo Durán 6–3, 6–4.
