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

## 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

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | M Duque Mariño M Irigoyen | $6^5$ | 6 | [8] | | | | | | | | | | | | | |
| | E Kostova D Seguel | $7^7$ | 3 | [10] | | E Kostova D Seguel | 6 | 3 | [5] | | | | | | | | |
| | J Boserup E Hrdinová | 3 | 4 | | | J Loeb R Peterson | 4 | 6 | [10] | | | | | | | | |
| | J Loeb R Peterson | 6 | 6 | | | | | | | J Loeb R Peterson | 3 | 6 | [10] | | | | |
| 3 | K Day C Dolehide | 7 | 6 | | | | | | | K Christian S Santamaria | 6 | 4 | [7] | | | | |
| | E Bektas A Guarachi | 5 | 4 | | 3 | K Day C Dolehide | 3 | 3 | | | | | | | | | |
| | B Bonić K Muchová | 7 | 2 | [3] | | K Christian S Santamaria | 6 | 6 | | | | | | | | | |
| | K Christian S Santamaria | 5 | 6 | [10] | | | | | | | | | | J Loeb R Peterson | $6^4$ | 6 | [8] |
| | F Stollár C Zhao | $7^{12}$ | 6 | | | | | | | | | | | M Doi J Teichmann | $7^7$ | 1 | [10] |
| | N Gibbs C McHale | $6^{10}$ | 4 | | | F Stollár C Zhao | $7^7$ | 2 | [10] | | | | | | | | |
| | A Hesse V Rodríguez | 4 | 2 | | 4 | T Townsend Y Wickmayer | $6^4$ | 6 | [4] | | | | | | | | |
| 4 | T Townsend Y Wickmayer | 6 | 6 | | | | | | | F Stollár C Zhao | 4 | 3 | | | | | |
| | J Jakšić E Rodina | 6 | 6 | | | | | | | M Doi J Teichmann | 6 | 6 | | | | | |
| | J Cako S Vickery | 2 | 2 | | | J Jakšić E Rodina | 0 | 6 | [6] | | | | | | | | |
| | M Doi J Teichmann | 6 | 6 | | | M Doi J Teichmann | 6 | 0 | [10] | | | | | | | | |
| 2 | D Krawczyk G Olmos | 2 | 1 | | | | | | | | | | | | | | |
