2018 Bauer Watertechnology Cup – Doubles

Sander Arends and Roman Jebavý were the defending champions but only Arends chose to defend his title, partnering Romain Arneodo. Arends lost in the semifinals to Hugo Nys and Jonny O'Mara.

Kevin Krawietz and Andreas Mies won the title after defeating Nys and O'Mara 6–1, 6–4 in the final.

Seeds
• # 🇳🇿 Marcus Daniell / 🇧🇷 Marcelo Demoliner (semifinals)

• # 🇫🇷 Hugo Nys / 🇬🇧 Jonny O'Mara (final)

• # Sander Arends / Romain Arneodo (semifinals)

• # 🇩🇪 Kevin Krawietz / 🇩🇪 Andreas Mies (champions)