2018 Stockholm Open

The 2018 Stockholm Open (also known as the Intrum Stockholm Open for sponsorship purposes) was a professional men's tennis tournament played on indoor hard courts. It was the 50th edition of the tournament, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden from 15 to 21 October 2018. Third-seeded Stefanos Tsitsipas won the singles title.

Singles

 * Stefanos Tsitsipas defeated Ernests Gulbis, 6–4, 6–4

Doubles

 * 🇬🇧 Luke Bambridge / 🇬🇧 Jonny O'Mara defeated 🇳🇿 Marcus Daniell / Wesley Koolhof, 7–5, 7–6(10–8)

Seeds

 * 1 Rankings are as of October 8, 2018

Other entrants
The following players received wildcards into the singles main draw:
 * 🇰🇷 Chung Hyeon
 * 🇸🇪 Elias Ymer
 * 🇸🇪 Mikael Ymer

The following players received entry from the qualifying draw:
 * Ernests Gulbis
 * 🇩🇪 Oscar Otte
 * 🇨🇦 Peter Polansky
 * 🇦🇺 Alexei Popyrin

The following player received entry as a lucky loser:
 * 🇪🇪 Jürgen Zopp

Withdrawals

 * Before the tournament
 * 🇩🇪 Peter Gojowczyk → replaced by 🇪🇪 Jürgen Zopp

Retirements

 * 🇰🇷 Chung Hyeon

Seeds

 * Rankings are as of October 8, 2018

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇸🇪 Markus Eriksson / 🇸🇪 André Göransson
 * 🇸🇪 Elias Ymer / 🇸🇪 Mikael Ymer