See main article: 2012 Geneva Open Challenger. Igor Andreev and Evgeny Donskoy were the defending champions but Andreev decided not to participate.
Donskoy played alongside Dmitry Tursunov.
Johan Brunström and Raven Klaasen won the title, defeating Philipp Marx and Florin Mergea 7–6(7–2), 6–7(5–7), [10–5] in the final.