2018 Mallorca Open – Singles
| Singles | |
|---|---|
| 2018 Mallorca Open | |
| Champion | Tatjana Maria |
| Runner-up | Anastasija Sevastova |
| Score | 6–4, 7–5 |
| Draw | 32 |
| Seeds | 8 |
Tatjana Maria defeated the defending champion Anastasija Sevastova in the final, 6–4, 7–5 to win the singles title at the 2018 Mallorca Open. It was her maiden WTA singles title.