2018 Oracle Challenger Series – Newport Beach – Women's doubles

This was the first edition of the tournament.

Misaki Doi and Jil Teichmann won the title after defeating Jamie Loeb and Rebecca Peterson 7–6(7–4), 1–6, [10–8] in the final.

Seeds
• # 🇨🇴 Mariana Duque Mariño / 🇦🇷 María Irigoyen (first round)

• # 🇺🇸 Desirae Krawczyk / 🇲🇽 Giuliana Olmos (first round)

• # 🇺🇸 Kayla Day / 🇺🇸 Caroline Dolehide (quarterfinals)

• # 🇺🇸 Taylor Townsend / 🇧🇪 Yanina Wickmayer (quarterfinals)