2017 Swiss Indoors – Singles
Roger Federer defeated Juan Martín del Potro in the final, 6–7, 6–4, 6–3 to win the singles tennis title at the 2017 Swiss Indoors. It was his eighth Swiss Indoors and 95th singles title, surpassing Ivan Lendl for second place in the list for most men's singles titles won in the Open era.
Marin Čilić was the defending champion, but lost in the semifinals to del Potro.