2018 Lisboa Belém Open

The 2018 Lisboa Belém Open was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Lisbon, Portugal between 14 and 20 May 2018.

Seeds

 * 1 Rankings are as of 7 May 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * Tiago Cação
 * 🇯🇵 Taro Daniel
 * Fred Gil
 * João Monteiro

The following players received entry from the qualifying draw:
 * 🇪🇸 Alejandro Davidovich Fokina
 * 🇧🇪 Joris De Loore
 * 🇮🇹 Edoardo Eremin
 * 🇦🇷 Juan Pablo Ficovich

The following player received entry as a lucky loser:
 * 🇮🇹 Federico Gaio

Singles

 * 🇪🇸 Tommy Robredo def. Christian Garín 3–6, 6–3, 6–2.

Doubles

 * Marcelo Arévalo / 🇲🇽 Miguel Ángel Reyes-Varela def. 🇵🇱 Tomasz Bednarek / 🇺🇸 Hunter Reese 6–3, 3–6, [10–1].