2018 Tunis Open

The 2018 Tunis Open was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Tunis, Tunisia between 16 and 22 April 2018.

Seeds

 * 1 Rankings are as of 9 April 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇳 Mohamed Ali Bellalouna
 * 🇹🇳 Moez Echargui
 * 🇲🇦 Lamine Ouahab
 * 🇦🇺 Alexei Popyrin

The following player received entry into the singles main draw as a special exempt:
 * Nikoloz Basilashvili

The following players received entry from the qualifying draw:
 * 🇪🇸 Daniel Gimeno Traver
 * 🇫🇷 Maxime Janvier
 * 🇭🇺 Zsombor Piros
 * 🇨🇿 Lukáš Rosol

The following player received entry as a lucky loser:
 * 🇩🇪 Daniel Masur

Singles

 * 🇦🇷 Guido Andreozzi def. 🇪🇸 Daniel Gimeno Traver 6–2, 3–0 ret.

Doubles

 * 🇺🇦 Denys Molchanov / 🇸🇰 Igor Zelenay def. 🇫🇷 Jonathan Eysseric / 🇬🇧 Joe Salisbury 7–6(7–4), 6–2.