title: 2018 Oracle Challenger Series – Newport Beach – Women's singles
text: # 2018 Oracle Challenger Series – Newport Beach – Women's singles
  
  This was the first edition of the tournament.
  
  Wildcard Danielle Collins won the title, defeating Sofya Zhuk in the final 2–6, 6–4, 6–3.
  
  ## Seeds
  
  * Christina McHale (first round)
  * Alison Riske (first round)
  * Taylor Townsend (first round)
  * Francesca Schiavone (first round)
  * Sofia Kenin (first round)
  * Sachia Vickery (quarterfinals)
  * Ajla Tomljanović (semifinals)
  * Mariana Duque Mariño (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
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | WC | Danielle Collins | 6 | 6 | | | | | | |
  | 7 | Ajla Tomljanović | 4 | 3 | | | | | | |
  | 7 | Ajla Tomljanović | 4 | 3 | | WC | Danielle Collins | 2 | 6 | 6 |
  | | | | | | Q | Sofya Zhuk | 6 | 4 | 3 |
  | Q | Sofya Zhuk | 2 | $7^9$ | 6 | Q | Sofya Zhuk | 6 | 4 | 3 |
  | Q | Mayo Hibi | 6 | $6^7$ | 4 | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | C McHale | 2 | 4 | | | | | | | | | | | | | | | |
  | | J Loeb | 6 | 6 | | | J Loeb | 6 | 0 | 4 | | | | | | | | | |
  | WC | D Collins | 6 | $7^7$ | | WC | D Collins | 4 | 6 | 6 | | | | | | | | | |
  | Q | M Bouzková | 4 | $6^4$ | | | | | | | WC | D Collins | 6 | 3 | 6 | | | | |
  | | S Vögele | 4 | 5 | | | | | | | | S-j Jang | 0 | 6 | 4 | | | | |
  | WC | C Liu | 6 | 7 | | WC | C Liu | 6 | 5 | 4 | | | | | | | | | |
  | | S-j Jang | $7^8$ | 6 | | | S-j Jang | 2 | 7 | 6 | | | | | | | | | |
  | 5 | S Kenin | $6^6$ | 3 | | | | | | | | | | | | WC | D Collins | 6 | 6 |
  | 4 | F Schiavone | 6 | 2 | 1 | | | | | | | | | | | 7 | A Tomljanović | 4 | 3 |
  | | AK Schmiedlová | 3 | 6 | 6 | | AK Schmiedlová | $6^6$ | 4 | | | | | | | | | | |
  | | N Gibbs | 6 | 4 | 6 | | N Gibbs | $7^8$ | 6 | | | | | | | | | | |
  | | J Boserup | 4 | 6 | 0 | | | | | | | N Gibbs | 6 | 5 | 2 | | | | |
  | Q | D Seguel | 3 | 6 | 5 | | | | | | 7 | A Tomljanović | 4 | 7 | 6 | | | | |
  | | C Zhao | 6 | 2 | 7 | | C Zhao | 1 | 3 | | | | | | | | | | |
  | | Y Wickmayer | 3 | 4 | | 7 | A Tomljanović | 6 | 6 | | | | | | | | | | |
  | 7 | A Tomljanović | 6 | 6 | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | M Duque Mariño | 3 | $6^4$ | | | | | | | | | | | | | | | |
  | | K Day | 6 | $7^7$ | | | K Day | 6 | $6^0$ | 5 | | | | | | | | | |
  | WC | J Cako | 1 | 3 | | Q | S Zhuk | 1 | $7^7$ | 7 | | | | | | | | | |
  | Q | S Zhuk | 6 | 6 | | | | | | | Q | S Zhuk | 6 | 7 | | | | | |
  | WC | V Duval | 6 | 6 | | | | | | | | J Teichmann | 1 | 5 | | | | | |
  | | M Doi | 2 | 1 | | WC | V Duval | 4 | 2 | | | | | | | | | | |
  | | J Teichmann | 6 | 6 | | | J Teichmann | 6 | 6 | | | | | | | | | | |
  | 3 | T Townsend | 4 | 2 | | | | | | | | | | | Q | S Zhuk | 2 | $7^9$ | 6 |
  | 6 | S Vickery | 6 | 6 | | | | | | | | | | | Q | M Hibi | 6 | $6^7$ | 4 |
  | | E Rodina | 0 | 3 | | 6 | S Vickery | 6 | 6 | | | | | | | | | | |
  | | R Peterson | 4 | 6 | 7 | | R Peterson | 1 | 4 | | | | | | | | | | |
  | Q | E Kostova | 6 | 3 | 5 | | | | | | 6 | S Vickery | 4 | 2 | | | | | |
  | | I Falconi | 1 | $0^r$ | | | | | | | Q | M Hibi | 6 | 6 | | | | | |
  | Q | A Anisimova | 6 | 3 | | Q | A Anisimova | 5 | 6 | 3 | | | | | | | | | |
  | Q | M Hibi | 6 | 6 | | Q | M Hibi | 7 | 3 | 6 | | | | | | | | | |
  | 2 | A Riske | 3 | 4 | | | | | | | | | | | | | | | |
  
  ## Qualifying
  
  ### Seeds
  
  * Caroline Dolehide (qualifying competition)
  * Marie Bouzková (qualified)
  * Sofya Zhuk (qualified)
  * Amanda Anisimova (qualified)
  * Daniela Seguel (qualified)
  * Louisa Chirico (first round)
  * Fanny Stollár (first round)
  * Danielle Lao (qualifying competition)
  * Elitsa Kostova (qualified)
  * Amandine Hesse (qualifying competition)
  * Mayo Hibi (qualified)
  * Usue Maitane Arconada (first round)
  
  ### Qualifiers
  
  * Elitsa Kostova
  * Marie Bouzková
  * Sofya Zhuk
  * Amanda Anisimova
  * Daniela Seguel
  * Mayo Hibi
  
  ### Qualifying draw
  
  **First qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Caroline Dolehide | 2 | 6 | 6 | | | | |
  | | Ashley Kratzer | 6 | 3 | 4 | | | | |
  | | Ashley Kratzer | 6 | 3 | 4 | 1 | Caroline Dolehide | 4 | 4 |
  | | | | | | 9 | Elitsa Kostova | 6 | 6 |
  | | Emina Bektas | 2 | 7 | 1 | 9 | Elitsa Kostova | 6 | 6 |
  | 9 | Elitsa Kostova | 6 | 5 | 6 | | | | |
  
  **Second qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 2 | Marie Bouzková | 6 | 6 | | | | | |
  | | Tori Kinard | 0 | 0 | | | | | |
  | | Tori Kinard | 0 | 0 | 2 | Marie Bouzková | 6 | 2 | 6 |
  | | | | | | Cristiana Ferrando | 3 | 6 | 2 |
  | | Cristiana Ferrando | 6 | 6 | | Cristiana Ferrando | 3 | 6 | 2 |
  | 12 | Usue Maitane Arconada | 1 | 4 | | | | | |
  
  **Third qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 3 | Sofya Zhuk | 6 | 6 | | | | |
  | | Victoria Rodríguez | 1 | 2 | | | | |
  | | Victoria Rodríguez | 1 | 2 | 3 | Sofya Zhuk | 6 | 7 |
  | | | | | WC | Sabrina Santamaria | 4 | 5 |
  | WC | Sabrina Santamaria | 6 | 6 | WC | Sabrina Santamaria | 4 | 5 |
  | 7 | Fanny Stollár | 1 | 4 | | | | |
  
  **Fourth qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 4 | Amanda Anisimova | 6 | 6 | | | | |
  | | Hanna Chang | 4 | 4 | | | | |
  | | Hanna Chang | 4 | 4 | 4 | Amanda Anisimova | 6 | 6 |
  | | | | | 8 | Danielle Lao | 1 | 0 |
  | | Karolína Muchová | 3 | 5 | 8 | Danielle Lao | 1 | 0 |
  | 8 | Danielle Lao | 6 | 7 | | | | |
  
  **Fifth qualifier**
  
  | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - |
  | 5 | Daniela Seguel | 6 | 6 | | | | |
  | | Alexa Guarachi | 3 | 4 | | | | |
  | | Alexa Guarachi | 3 | 4 | 5 | Daniela Seguel | 6 | 7 |
  | | | | | 10 | Amandine Hesse | 4 | 5 |
  | WC | Carson Branstine | 3 | $6^4$ | 10 | Amandine Hesse | 4 | 5 |
  | 10 | Amandine Hesse | 6 | $7^7$ | | | | |
  
  **Sixth qualifier**
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - | - |
  | 6 | Louisa Chirico | 2 | 6 | 5 | | | | | |
  | | Giuliana Olmos | 6 | 2 | 7 | | | | | |
  | | Giuliana Olmos | 6 | 2 | 7 | | Giuliana Olmos | 6 | 0 | 2 |
  | | | | | | 11 | Mayo Hibi | 4 | 6 | 6 |
  | | Jovana Jakšić | 1 | 1 | | 11 | Mayo Hibi | 4 | 6 | 6 |
  | 11 | Mayo Hibi | 6 | 6 | | | | | | |
  