2018 European Open

The 2018 European Open was a men's tennis tournament played on indoor hard courts. It was the third edition of the European Open and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Lotto Arena in Antwerp, Belgium, from October 15 to October 21.

Seeds

 * 1 Rankings are as of October 8, 2018

Other entrants
The following players received wildcards into the singles main draw:
 * 🇧🇪 Ruben Bemelmans
 * 🇨🇦 Milos Raonic
 * 🇺🇸 Frances Tiafoe

The following players received entry from the qualifying draw:
 * 🇪🇸 Marcel Granollers
 * Tallon Griekspoor
 * 🇧🇾 Ilya Ivashka
 * 🇺🇦 Sergiy Stakhovsky

The following players received entry as lucky losers:
 * 🇮🇹 Salvatore Caruso
 * 🇫🇷 Constant Lestienne
 * 🇫🇷 Stéphane Robert

Withdrawals

 * Before the tournament
 * Nikoloz Basilashvili → replaced by 🇮🇳 Yuki Bhambri
 * 🇪🇸 Roberto Carballés Baena → replaced by 🇮🇹 Salvatore Caruso
 * 🇧🇪 David Goffin → replaced by 🇨🇿 Jiří Veselý
 * Tallon Griekspoor → replaced by 🇫🇷 Stéphane Robert
 * 🇸🇰 Jozef Kovalík → replaced by 🇫🇷 Constant Lestienne
 * During the tournament
 * 🇧🇾 Ilya Ivashka

Seeds

 * 1 Rankings are as of October 8, 2018

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇧🇪 Ruben Bemelmans / 🇧🇪 Joris De Loore
 * 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen

Singles

 * 🇬🇧 Kyle Edmund defeated 🇫🇷 Gaël Monfils, 3–6, 7–6(7–2), 7–6(7–4)

Doubles

 * 🇫🇷 Nicolas Mahut / 🇫🇷 Édouard Roger-Vasselin defeated 🇧🇷 Marcelo Demoliner / 🇲🇽 Santiago González, 6–4, 7–5