2018 German Open – Doubles

Ivan Dodig and Mate Pavić were the defending champions, but chose not to participate together this year. Dodig played alongside Jean-Julien Rojer, but lost in the quarterfinals to Ben McLachlan and Jan-Lennard Struff. Pavić teamed up with Oliver Marach, but lost in the final to Julio Peralta and Horacio Zeballos, 1–6, 6–4, [6–10].

Seeds
• # 🇦🇹 Oliver Marach / Mate Pavić (final)

• # Ivan Dodig /  Jean-Julien Rojer (quarterfinals)

• # Nikola Mektić / 🇦🇹 Alexander Peya (first round)

• # Pablo Cuevas / 🇪🇸 Marc López (quarterfinals)

Seeds
• # Nicolás Jarry / 🇩🇪 Maximilian Marterer (qualifying competition)

• # 🇩🇪 Andre Begemann / 🇷🇴 Florin Mergea (first round)

Qualifiers

 * 1) 🇸🇰 Martin Kližan / 🇸🇰 Jozef Kovalík