2018 AON Open Challenger – Doubles

Tim Pütz and Jan-Lennard Struff were the defending champions but chose not to defend their title.

Kevin Krawietz and Andreas Mies won the title after defeating Martin Kližan and Filip Polášek 6–2, 3–6, [10–2] in the final.

Seeds
• # 🇺🇦 Denys Molchanov / 🇸🇰 Igor Zelenay (first round)

• # Romain Arneodo / 🇫🇷 Jonathan Eysseric (first round)

• # 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen (semifinals)

• # 🇦🇷 Federico Delbonis / 🇦🇷 Andrés Molteni (first round)