| 2018 Båstad Challenger | |
|---|---|
| Date | 9–14 July |
| Edition | 3rd |
| Draw | 32S / 16D |
| Surface | Clay / Outdoors |
| Location | Båstad, Sweden |
| Champions | |
| Singles | |
 Pedro Martínez | |
| Doubles | |
 Harri Heliövaara /  Henri Laaksonen | |
The 2018 Båstad Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Båstad, Sweden between 9 and 14 July 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG
|
Guido Andreozzi | 105 | 1 |
 SWE
|
Elias Ymer | 108 | 2 |
 FRA
|
Corentin Moutet | 125 | 3 |
 BRA
|
Thiago Monteiro | 130 | 4 |
| SUI
|
Henri Laaksonen | 142 | 5 |
| FRA
|
Calvin Hemery | 148 | 6 |
 CAN
|
Félix Auger-Aliassime | 152 | 7 |
 GER
|
Oscar Otte | 166 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Geoffrey Blancaneaux
Filip Horanský Jules Okala
Wu DiThe following player received entry as a lucky loser:
Pedro Martínez def. Corentin Moutet 7–6(7–5), 6–4. Harri Heliövaara / Henri Laaksonen def. 
Zdeněk Kolář / 
Gonçalo Oliveira 6–4, 6–3.
