2018 Qatar ExxonMobil Open

The 2018 Qatar Open (also known as 2018 Qatar ExxonMobil Open for sponsorship reasons) was a men's tennis tournament played on outdoor hard courts. It was the 26th edition of the Qatar Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar, from 1 January until 6 January 2018. Unseeded Gaël Monfils, who entered the main draw on a wildcard, won the singles title.

Singles
🇫🇷 Gaël Monfils defeated 🇷🇺 Andrey Rublev, 6–2, 6–3
 * It was Monfils' 1st singles title of the year and the 7th of his career.

Doubles
🇦🇹 Oliver Marach / Mate Pavić defeated 🇬🇧 Jamie Murray / 🇧🇷 Bruno Soares, 6–2, 7–6(8–6)

Seeds

 * 1 Rankings are as of December 25, 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇶🇦 Jabor Al-Mutawa
 * 🇹🇳 Malek Jaziri
 * 🇫🇷 Gaël Monfils

The following players received entry using a protected ranking:
 * 🇦🇹 Andreas Haider-Maurer

The following players received entry from the qualifying draw:
 * 🇧🇦 Mirza Bašić
 * 🇮🇹 Matteo Berrettini
 * 🇮🇹 Stefano Travaglia
 * Stefanos Tsitsipas

The following player received entry as alternate:
 * 🇩🇴 Víctor Estrella Burgos

Withdrawals

 * Before the tournament
 * 🇷🇸 Novak Djokovic →replaced by 🇩🇴 Víctor Estrella Burgos
 * 🇫🇷 Jo-Wilfried Tsonga →replaced by 🇩🇪 Cedrik-Marcel Stebe


 * During the tournament
 * 🇦🇹 Dominic Thiem

Retirements

 * 🇩🇪 Cedrik-Marcel Stebe

Seeds

 * 1 Rankings are as of December 25, 2017.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇹🇷 Tuna Altuna / 🇸🇪 Elias Ymer
 * 🇹🇳 Malek Jaziri / 🇶🇦 Mousa Shanan Zayed