| 2018 Braga Open | |
|---|---|
| Date | 7–13 May |
| Edition | 1st |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Braga, Portugal |
| Champions | |
| Singles | |
 Pedro Sousa | |
| Doubles | |
 Sander Arends /  Adil Shamasdin | |
The 2018 Braga Open was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Braga, Portugal between 7 and 13 May 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| POR | Gastão Elias | 108 | 1 |
 AUS | Alex de Minaur | 109 | 2 |
 GER | Yannick Hanfmann | 118 | 3 |
| POR | Pedro Sousa | 143 | 4 |
 FRA | Stéphane Robert | 167 | 5 |
| CAN | Félix Auger-Aliassime | 188 | 6 |
| FRA | Gleb Sakharov | 189 | 7 |
 NOR | Casper Ruud | 193 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Pedro Sousa def. Casper Ruud 6–0, 3–6, 6–3. Sander Arends / Adil Shamasdin def. 
Ariel Behar / 
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