2018 Mallorca Open

The 2018 Mallorca Open was a women's tennis tournament played on grass courts. It was the 3rd edition of the Mallorca Open, and part of the International category of the 2018 WTA Tour. It took place at Santa Ponsa Tennis Club in Mallorca, Spain, from 18 June through 24 June 2018. Tatjana Maria won the singles title.

Seeds

 * 1 Rankings are as of June 11, 2018.

Other entrants
The following players received wildcards into the main draw:
 * 🇪🇸 Lara Arruabarrena
 * 🇺🇦 Marta Kostyuk
 * 🇷🇺 Svetlana Kuznetsova
 * 🇮🇹 Francesca Schiavone

The following players received entry using a protected ranking into the main draw:
 * 🇧🇾 Victoria Azarenka

The following player received entry as a special exempt:
 * 🇧🇪 Kirsten Flipkens

The following players received entry from the qualifying draw:
 * 🇺🇸 Sofia Kenin
 * 🇸🇪 Johanna Larsson
 * 🇩🇪 Antonia Lottner
 * 🇸🇪 Rebecca Peterson
 * 🇺🇸 Alison Riske
 * 🇦🇺 Ajla Tomljanović

The following players received entry as lucky losers:
 * 🇸🇰 Viktória Kužmová
 * Stefanie Vögele

Withdrawals

 * Before the tournament
 * 🇧🇪 Kirsten Flipkens → replaced by 🇸🇰 Viktória Kužmová
 * 🇷🇸 Aleksandra Krunić → replaced by Stefanie Vögele
 * 🇷🇴 Monica Niculescu → replaced by 🇵🇱 Magda Linette
 * 🇵🇱 Agnieszka Radwańska → replaced by 🇺🇦 Kateryna Kozlova
 * 🇨🇳 Zhang Shuai → replaced by 🇨🇿 Markéta Vondroušová

Seeds

 * 1 Rankings are as of 11 June 2018.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇷🇴 Sorana Cîrstea / 🇩🇪 Andrea Petkovic
 * 🇨🇿 Lucie Šafářová / 🇨🇿 Barbora Štefková

Singles

 * 🇩🇪 Tatjana Maria def. Anastasija Sevastova, 6–4, 7–5

Doubles

 * Andreja Klepač / 🇪🇸 María José Martínez Sánchez def. 🇨🇿 Lucie Šafářová / 🇨🇿 Barbora Štefková, 6–1, 3–6, [10–3]