2016 Swiss Indoors

The 2016 Swiss Indoors was a men's tennis tournament played on indoor hard courts. It was the 47th edition of the event, and part of the 500 series of the 2016 ATP World Tour. It was held at the St. Jakobshalle in Basel, Switzerland, from 24 October through 30 October 2016. Fourth-seeded Marin Čilić won the singles title.

Seeds

 * Rankings are as of October 17, 2016

Other entrants
The following players received wildcards into the singles main draw:
 * Marco Chiudinelli
 * 🇦🇷 Juan Martín del Potro
 * Henri Laaksonen

The following players received entry from the qualifying draw:
 * 🇱🇹 Ričardas Berankis
 * Robin Haase
 * 🇺🇸 Donald Young
 * 🇩🇪 Mischa Zverev

Withdrawals

 * Before the tournament
 * Borna Ćorić →replaced by 🇷🇺 Mikhail Youzhny
 * 🇦🇺 Nick Kyrgios (suspension) →replaced by 🇺🇸 Taylor Fritz
 * 🇦🇷 Juan Mónaco →replaced by 🇩🇪 Florian Mayer
 * 🇪🇸 Rafael Nadal (wrist injury) →replaced by 🇷🇸 Dušan Lajović

Retirements

 * 🇫🇷 Richard Gasquet

Seeds

 * Rankings are as of October 17, 2016

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Antoine Bellier / Marco Chiudinelli
 * Adrien Bossel / Henri Laaksonen

The following pair received entry from the qualifying draw:
 * 🇦🇷 Federico Delbonis / 🇦🇷 Guido Pella

Singles

 * Marin Čilić defeated 🇯🇵 Kei Nishikori, 6–1, 7–6(7–5)

Doubles

 * 🇪🇸 Marcel Granollers / 🇺🇸 Jack Sock defeated 🇸🇪 Robert Lindstedt / 🇳🇿 Michael Venus, 6–3, 6–4