2019 Oracle Challenger Series – Houston
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The 2019 Oracle Challenger Series – Houston was a professional tennis tournament played on outdoor hard courts. This tournament was part of the 2019 ATP Challenger Tour and the 2019 WTA 125K series. The second edition took place at the George R. Brown Tennis Center from November 10 to 17, 2019 in Houston, United States.
Men's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA | Tennys Sandgren | 69 | 1 |
| USA | Bradley Klahn | 105 | 2 |
| CRO | Ivo Karlović | 106 | 3 |
| USA | Marcos Giron | 124 | 4 |
| TPE | Jason Jung | 130 | 5 |
| AUS | Christopher O'Connell | 140 | 6 |
| BAR | Darian King | 165 | 7 |
| USA | Mitchell Krueger | 196 | 8 |
| RUS | Alexey Vatutin | 197 | 9 |
| USA | Donald Young | 233 | 10 |
| ESP | Adrián Menéndez Maceiras | 236 | 11 |
| SRB | Peđa Krstin | 238 | 12 |
| USA | Jenson Brooksby | 274 | 13 |
| USA | Michael Mmoh | 294 | 14 |
| USA | Michael Redlicki | 315 | 15 |
| USA | Sekou Bangoura | 317 | 16 |
- 1 Rankings are as of 4 November 2019.
Other entrants
The following players received wildcards into the singles main draw:
- Egypt Mohamed Abdel-Aziz
- United States Oliver Crawford
- United States Brandon Holt
- United States Zane Khan
- United States Sumit Sarkar
The following players received entry from the qualifying draw:
Women's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA | Danielle Collins | 31 | 1 |
| USA | Taylor Townsend | 84 | 2 |
| BEL | Kirsten Flipkens | 95 | 3 |
| UKR | Katarina Zavatska | 110 | 4 |
| ROU | Patricia Maria Țig | 111 | 5 |
| USA | Caty McNally | 118 | 6 |
| SUI | Stefanie Vögele | 119 | 7 |
| USA | Francesca Di Lorenzo | 121 | 8 |
| USA | Whitney Osuigwe | 132 | 9 |
| LUX | Mandy Minella | 137 | 10 |
| USA | Usue Maitane Arconada | 140 | 11 |
| USA | Allie Kiick | 147 | 12 |
| USA | Ann Li | 148 | 13 |
| USA | Caroline Dolehide | 154 | 14 |
| USA | Sachia Vickery | 158 | 15 |
| USA | Varvara Lepchenko | 170 | 15 |
- 1 Rankings are as of 4 November 2019.
Other entrants
The following players received wildcards into the singles main draw:
- United States Danielle Collins
- Australia Linda Huang
- Serbia Katarina Jokić
- United States Bethanie Mattek-Sands
- United States CoCo Vandeweghe
The following player received entry into the singles main draw through protected ranking:
The following players received entry from the qualifying draw:
The following player received entry into the main draw as lucky loser:
Withdrawals
- Italy Sara Errani → replaced by Hungary Fanny Stollár
- Australia Jaimee Fourlis → replaced by United States Hanna Chang
- Japan Mayo Hibi → replaced by United States Kayla Day
- Poland Katarzyna Kawa → replaced by United States Grace Min
- Slovakia Kristína Kučová → replaced by Japan Mari Osaka
- Russia Anastasiya Komardina → replaced by United States Catherine Harrison
- United States Asia Muhammad → replaced by Israel Deniz Khazaniuk
- United States Jessica Pegula → replaced by United States Hailey Baptiste
- Australia Olivia Rogowska → replaced by Brazil Gabriela Cé
- Canada Katherine Sebov → replaced by Mexico Giuliana Olmos
- United Kingdom Katie Swan → replaced by Kazakhstan Anna Danilina
- Romania Patricia Maria Țig → replaced by United States Quinn Gleason
Women's doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| CAN | Sharon Fichman | JPN | Ena Shibahara | 119 | 1 |
| AUS | Ellen Perez | BRA | Luisa Stefani | 140 | 2 |
| MEX | Giuliana Olmos | USA | Sabrina Santamaria | 143 | 3 |
| HUN | Fanny Stollár | USA | Taylor Townsend | 180 | 4 |
- 1 Rankings as of 4 November 2019.
Other entrants
The following pair received a wildcard into the doubles main draw:
- United States Hailey Baptiste / United States Ellie Douglas
Champions
Men's singles
- United States Marcos Giron def Croatia Ivo Karlović 7–5, 6–7(5–7), 7–6(11–9).
Women's singles
- Belgium Kirsten Flipkens def. United States CoCo Vandeweghe 7–6(7–4), 6–4
Men's doubles
- Israel Jonathan Erlich / Mexico Santiago González def. Uruguay Ariel Behar / Ecuador Gonzalo Escobar 6–3, 7–6(7–4).
Women's doubles
- Australia Ellen Perez / Brazil Luisa Stefani def. Canada Sharon Fichman / Japan Ena Shibahara, 1–6, 6–4, [10–5]