At the 2015 Australian Open, Bolelli and Fabio Fognini captured their first Grand Slam championship doubles title. The Italian duo, playing their ninth major together, defeated French pair Pierre-Hugues Herbert and Nicolas Mahut in straight sets 6–4, 6–4 in the final. They also reached the semifinals of the 2015 French Open and three Masters finals at the 2015 Indian Wells Masters, 2015 Monte-Carlo Masters and 2015 Shanghai Rolex Masters.