See main article: 2015 ITF Women's Circuit UBS Thurgau.
Eva Birnerová and Michaëlla Krajicek were the defending champions, however both players chose not to participate.
Twin-sisters Lyudmyla and Nadiia Kichenok won the title, defeating French-duo Stéphanie Foretz and Irina Ramialison in the final, 6–3, 6–3.