2016 Stockholm Open

The 2016 Stockholm Open (also known as the 2016 If Stockholm Open due to sponsorship) was a professional men's tennis tournament played on indoor hard courts. It was the 48th edition of the tournament, and part of the ATP World Tour 250 series of the 2016 ATP World Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden from 17 October until 23 October 2016. Unseeded Juan Martín del Potro, who entered the main draw on a wildcard, won the singles title.

Singles

 * 🇦🇷 Juan Martín del Potro defeated 🇺🇸 Jack Sock, 7–5, 6–1
 * It was del Potro's only singles title of the year and the 19th of his career.

Doubles

 * 🇸🇪 Elias Ymer / 🇸🇪 Mikael Ymer defeated Mate Pavić / 🇳🇿 Michael Venus, 6–1, 6–1

Seeds

 * 1 Rankings are as of October 10, 2016

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇷 Juan Martín del Potro
 * 🇸🇪 Elias Ymer
 * 🇸🇪 Mikael Ymer

The following players received entry from the qualifying draw:
 * 🇺🇸 Ryan Harrison
 * 🇩🇪 Tobias Kamke
 * 🇨🇿 Adam Pavlásek
 * 🇪🇪 Jürgen Zopp

Withdrawals

 * Before the tournament
 * 🇬🇧 Daniel Evans →replaced by 🇯🇵 Yūichi Sugita
 * 🇫🇷 Lucas Pouille →replaced by 🇩🇪 Dustin Brown

Seeds

 * Rankings are as of October 10, 2016

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇸🇪 Isak Arvidsson / 🇸🇪 Fred Simonsson
 * 🇸🇪 Elias Ymer / 🇸🇪 Mikael Ymer