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.
| 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 /  Jil Teichmann | |
Men's singles main-draw entrants edit
Seeds edit
| 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 edit
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 edit
Seeds edit
| 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 edit
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Withdrawals edit
- Before the tournament
Jennifer Brady → replaced by 
Jang Su-jeong- Madison Brengle → replaced by
Stefanie Vögele 
Danka Kovinić → replaced by 
Carol Zhao- Varvara Lepchenko → replaced by Jil Teichmann
Women's doubles main-draw entrants edit
Seeds edit
| 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 |  BEL
|
Yanina Wickmayer | 286 | 4 |
Champions edit
Men's singles edit
- Taylor Fritz def. Bradley Klahn 3–6, 7–5, 6–0.
Men's doubles edit
- James Cerretani /
Leander Paes def. 
Treat Huey / Denis Kudla 6–4, 7–5.
Women's singles edit
- Danielle Collins def.
Sofya Zhuk 2–6, 6–4, 6–3
Women's doubles edit
Misaki Doi / Jil Teichmann def. Jamie Loeb / 
Rebecca Peterson 7–6(7–4), 1–6, [10–8]
