2018 Heilbronner Neckarcup – Doubles

Roman Jebavý and Antonio Šančić were the defending champions but only Jebavý chose to defend his title, partnering Florin Mergea. Jebavý lost in the first round to Denys Molchanov and Igor Zelenay.

Rameez Junaid and David Pel won the title after defeating Kevin Krawietz and Andreas Mies 6–2, 2–6, [10–7] in the final.

Seeds
• # Matwé Middelkoop / 🇦🇷 Andrés Molteni (first round)

• # 🇬🇧 Ken Skupski / 🇬🇧 Neal Skupski (first round)

• # 🇩🇪 Andre Begemann / 🇮🇱 Jonathan Erlich (first round)

• # 🇺🇦 Denys Molchanov / 🇸🇰 Igor Zelenay (semifinals)