2018 Mallorca Open – Doubles
# 2018 Mallorca Open – Doubles

Latisha Chan and Martina Hingis were the defending champions, but Chan chose to compete in Birmingham and Hingis retired from professional tennis at the end of 2017.

Andreja Klepač and María José Martínez Sánchez won the title, defeating Lucie Šafářová and Barbora Štefková in the final, 6–1, 3–6, [10–3].

## Seeds

* Andreja Klepač / María José Martínez Sánchez (champions)
* Nadiia Kichenok / Anastasia Rodionova (quarterfinals)
* Monique Adamczak / Renata Voráčová (first round)
* Oksana Kalashnikova / Makoto Ninomiya (first round)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Klepač MJ Martínez Sánchez | 6 | 6 | | | | | | | | | | | | | | | |
| PR | A Medina Garrigues A Parra Santonja | 4 | 2 | | 1 | A Klepač MJ Martínez Sánchez | 6 | 6 | | | | | | | | | | |
| | A Rosolska A Spears | 7 | 5 | [12] | | A Rosolska A Spears | 3 | 1 | | | | | | | | | | |
| | J Moore G Olmos | 5 | 7 | [10] | | | | | | 1 | A Klepač MJ Martínez Sánchez | 6 | 6 | | | | | |
| 4 | O Kalashnikova M Ninomiya | 4 | 2 | | | | | | | | X Knoll A Smith | 4 | 4 | | | | | |
| | X Knoll A Smith | 6 | 6 | | | X Knoll A Smith | 6 | 6 | | | | | | | | | | |
| WC | S Cîrstea A Petkovic | 6 | 6 | | WC | S Cîrstea A Petkovic | 4 | 4 | | | | | | | | | | |
| | D Jurak C Lister | 1 | 4 | | | | | | | | | | | 1 | A Klepač MJ Martínez Sánchez | 6 | 3 | [10] |
| | K Christian S Santamaria | 6 | 6 | | | | | | | | | | | WC | L Šafářová B Štefková | 1 | 6 | [3] |
| | V Azarenka S Kuznetsova | 2 | 3 | | | K Christian S Santamaria | 4 | 3 | | | | | | | | | | |
| WC | L Šafářová B Štefková | 6 | 6 | | WC | L Šafářová B Štefková | 6 | 6 | | | | | | | | | | |
| 3 | M Adamczak R Voráčová | 3 | 3 | | | | | | | WC | L Šafářová B Štefková | 6 | 6 | | | | | |
| | V Kudermetova A Sabalenka | 4 | 6 | [2] | | | | | | | L Kerkhove L Marozava | 0 | 4 | | | | | |
| | L Kerkhove L Marozava | 6 | 3 | [10] | | L Kerkhove L Marozava | $6^5$ | 7 | [10] | | | | | | | | | |
| | D Collins S-w Hsieh | 7 | 3 | [6] | 2 | N Kichenok An Rodionova | $7^7$ | 5 | [5] | | | | | | | | | |
| 2 | N Kichenok An Rodionova | 5 | 6 | [10] | | | | | | | | | | | | | | |
