See main article: article and 2020 St. Petersburg Open.
Divij Sharan and Igor Zelenay were the defending champions,[1] but both players chose not to participate. Sharan is instead participating at the Cologne tournament and Zelenay at the Sardinia tournament.
Jürgen Melzer and Édouard Roger-Vasselin won the title, defeating Marcelo Demoliner and Matwé Middelkoop in the final, 6–2, 7–6(7–4).