2018 Poznań Open

The 2018 Poznań Open was a professional tennis tournament played on clay courts. It was the fifteenth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 5 to 10 June 2018.

Seeds

 * 1 Rankings are as of 28 May 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇵🇱 Paweł Ciaś
 * 🇷🇴 Victor Vlad Cornea
 * 🇵🇱 Michał Dembek
 * 🇪🇸 Marcel Granollers

The following players received entry into the singles main draw as alternates:
 * 🇧🇦 Tomislav Brkić
 * 🇺🇸 Mitchell Krueger

The following players received entry from the qualifying draw:
 * 🇮🇹 Andrea Arnaboldi
 * 🇫🇷 Mathias Bourgue
 * 🇫🇷 Antoine Escoffier
 * 🇩🇪 Jeremy Jahn

Singles

 * 🇵🇱 Hubert Hurkacz def. 🇯🇵 Taro Daniel 6–1, 6–1.

Doubles

 * 🇵🇱 Mateusz Kowalczyk / 🇵🇱 Szymon Walków def. 🇭🇺 Attila Balázs / 🇮🇹 Andrea Vavassori 7–5, 6–7(8–10), [10–8].