2019 AON Open Challenger – Doubles

Kevin Krawietz and Andreas Mies were the defending champions but chose not to defend their title.

Ariel Behar and Gonzalo Escobar won the title after defeating Guido Andreozzi and Andrés Molteni 3–6, 6–4, [10–3] in the final.

Seeds
• # Matwé Middelkoop / 🇸🇰 Igor Zelenay (semifinals)

• # Romain Arneodo /  Hugo Nys (quarterfinals)

• # 🇦🇷 Guido Andreozzi / 🇦🇷 Andrés Molteni (final)

• # 🇧🇷 Rogério Dutra Silva / 🇨🇿 Roman Jebavý (first round)