2018 Oracle Challenger Series – Newport Beach
| 2018 Oracle Challenger Series – Newport Beach | |
|---|---|
| Date | January 22–28 | 
| Edition | 1st | 
| Category | ATP Challenger Tour WTA 125K series | 
| Draw | 32S / 16D | 
| Prize money | $150,000+H (ATP) $150,000 (WTA) | 
| Surface | Hard, outdoor | 
| Location | Newport Beach, United States | 
| Venue | Newport Beach Tennis Club | 
| Champions | |
| Men's singles | |
|  Taylor Fritz | |
| Women's singles | |
|  Danielle Collins | |
| Men's doubles | |
|  James Cerretani /  Leander Paes | |
| Women's doubles | |
|  Misaki Doi / .svg.png) Jil Teichmann | |
The 2018 Oracle Challenger Series – Newport Beach was a professional tennis tournament played on outdoor hard courts. It was the first edition of the tournament, which was part of the 2018 ATP Challenger Tour and the 2018 WTA 125K series. It took place January 22 through 28, 2018 in Newport Beach, United States.
Men's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed | 
|---|---|---|---|
|  JPN | Kei Nishikori | 24 | 1 | 
|  USA | Frances Tiafoe | 81 | 2 | 
|  USA | Taylor Fritz | 91 | 3 | 
|  USA | Bjorn Fratangelo | 104 | 4 | 
|  GBR | Cameron Norrie | 111 | 5 | 
|  KAZ | Alexander Bublik | 112 | 6 | 
|  USA | Ernesto Escobedo | 114 | 7 | 
|  GER | Yannick Hanfmann | 115 | 8 | 
- 1 Rankings are as of 15 January 2018.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Women's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed | 
|---|---|---|---|
|  USA | Christina McHale | 73 | 1 | 
|  USA | Alison Riske | 84 | 2 | 
|  USA | Taylor Townsend | 89 | 3 | 
|  ITA | Francesca Schiavone | 93 | 4 | 
|  USA | Sofia Kenin | 102 | 5 | 
|  USA | Sachia Vickery | 106 | 6 | 
|  CRO | Ajla Tomljanović | 107 | 7 | 
|  COL | Mariana Duque Mariño | 109 | 8 | 
- 1 Rankings are as of 15 January 2018.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Withdrawals
- Before the tournament
 Jennifer Brady → replaced by Jennifer Brady → replaced by Jang Su-jeong Jang Su-jeong
 Madison Brengle → replaced by Madison Brengle → replaced by.svg.png) Stefanie Vögele Stefanie Vögele
 Danka Kovinić → replaced by Danka Kovinić → replaced by.svg.png) Carol Zhao Carol Zhao
 Varvara Lepchenko → replaced by Varvara Lepchenko → replaced by.svg.png) Jil Teichmann Jil Teichmann
Women's doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed | 
|---|---|---|---|---|---|
|  COL | Mariana Duque Mariño |  ARG | María Irigoyen | 183 | 1 | 
|  USA | Desirae Krawczyk |  MEX | Giuliana Olmos | 242 | 2 | 
|  USA | Kayla Day |  USA | Caroline Dolehide | 247 | 3 | 
|  USA | Taylor Townsend | .svg.png) BEL | Yanina Wickmayer | 286 | 4 | 
Champions
Men's singles
 Taylor Fritz def. Taylor Fritz def. Bradley Klahn 3–6, 7–5, 6–0. Bradley Klahn 3–6, 7–5, 6–0.
Men's doubles
 James Cerretani / James Cerretani / Leander Paes def. Leander Paes def. Treat Huey / Treat Huey / Denis Kudla 6–4, 7–5. Denis Kudla 6–4, 7–5.
Women's singles
 Danielle Collins def. Danielle Collins def. Sofya Zhuk 2–6, 6–4, 6–3 Sofya Zhuk 2–6, 6–4, 6–3
Women's doubles
 Misaki Doi / Misaki Doi /.svg.png) Jil Teichmann def. Jil Teichmann def. Jamie Loeb / Jamie Loeb / Rebecca Peterson 7–6(7–4), 1–6, [10–8] Rebecca Peterson 7–6(7–4), 1–6, [10–8]



