# 2018 Oracle Challenger Series – Houston

The 2018 Oracle Challenger Series – Houston was a professional tennis tournament played on outdoor hard courts. This tournament was part of the 2018 ATP Challenger Tour and the 2018 WTA 125K series. The first edition took place at the George R. Brown Tennis Center from November 12 to 18, 2018 in Houston, United States.

## Men's singles main-draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| USA | Tennys Sandgren | 61 | 1 |
| USA | Bradley Klahn | 95 | 2 |
| CRO | Ivo Karlović | 102 | 3 |
| ITA | Paolo Lorenzi | 115 | 4 |
| TPE | Jason Jung | 128 | 5 |
| USA | Bjorn Fratangelo | 131 | 6 |
| USA | Tim Smyczek | 140 | 7 |
| GER | Dominik Köpfer | 177 | 8 |
* $^1$ Rankings are as of 5 November 2018.

### Other entrants

The following players received wildcards into the singles main draw:
* Tom Fawcett
* Sumit Sarkar
* Ronnie Schneider
* Roy Smith
The following players received entry from the qualifying draw:
* Harrison Adams
* Alexis Galarneau
* Julian Lenz
* Michael Redlicki

## Women's singles main-draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| SUI | Belinda Bencic | 37 | 1 |
| ROU | Monica Niculescu | 78 | 2 |
| GBR | Heather Watson | 101 | 3 |
| USA | Jessica Pegula | 125 | 4 |
| HUN | Fanny Stollár | 127 | 5 |
| USA | Varvara Lepchenko | 129 | 6 |
| RUS | Sofya Zhuk | 133 | 7 |
| CZE | Marie Bouzková | 142 | 8 |
| USA | Nicole Gibbs | 147 | 9 |
* $^1$ Rankings are as of 5 November 2018.

### Other entrants

The following players received wildcards into the singles main draw:
* Belinda Bencic
* Kayla Day
* Michaela Haet
* Peng Shuai
* Bianca Turati
The following players received entry from the qualifying draw:
* Lauren Davis
* Elizabeth Halbauer
* Dalma Gálfi
* Kristína Kučová
* Ann Li
* Whitney Osuigwe
The following players received entry into the main draw as lucky losers:
* Jacqueline Cako
* Louisa Chirico
* Réka Luca Jani
* Katherine Sebov

### Withdrawals

* Kristie Ahn → replaced by Beatriz Haddad Maia
* Eugenie Bouchard → replaced by Jacqueline Cako
* Verónica Cepede Royg → replaced by Deniz Khazaniuk
* Kayla Day → replaced by Réka Luca Jani
* Julia Glushko → replaced by Naomi Broady
* Claire Liu → replaced by Louisa Chirico
* Christina McHale → replaced by Deborah Chiesa
* Monica Niculescu → replaced by Katherine Sebov

### Retirements

* Dalma Gálfi (back injury)

## Women's doubles main-draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| GBR | Naomi Broady | USA | Sabrina Santamaria | 143 | 1 |
| USA | Asia Muhammad | USA | Maria Sanchez | 151 | 2 |
| USA | Desirae Krawczyk | MEX | Giuliana Olmos | 152 | 3 |
| CHI | Alexa Guarachi | NZL | Erin Routliffe | 184 | 4 |
* Rankings are as of 5 November 2018

### Other entrants

The following pair received a wildcard into the doubles main draw:
* Anna Bowtell / Victoria Smirnova

## Champions
### Men's singles

* Bradley Klahn def. Roy Smith 7–6$^{(7–4)}$, 7–6$^{(7–4)}$.

### Women's singles

* Peng Shuai def. Lauren Davis 1–6, 7–5, 6–4

### Men's doubles

* Austin Krajicek / Nicholas Monroe def. Marcelo Arévalo / James Cerretani 4–6, 7–6$^{(7–3)}$, [10–5].

### Women's doubles

* Maegan Manasse / Jessica Pegula def. Desirae Krawczyk / Giuliana Olmos, 1–6, 6–4, [10–8]