Houston 2019
Kirsten Flipkens won the title, beating Coco Vandeweghe 7–6(4) 6–4 in the final.
Main draw 47 players
- 1🇺🇸Danielle CollinsRound of 32 · Lost to Anhelina Kalinina
- 2🇺🇸Taylor Townsend#93Quarterfinals · Lost to Irina Falconi
- 3🇧🇪Kirsten FlipkensFinal · Champion
- 4🇺🇦Katarina ZavatskaQuarterfinals · Lost to Stefanie Voegele
- 6🇺🇸Caty Mcnally#67Quarterfinals · Lost to Kirsten Flipkens
- 7🇨🇭Stefanie VoegeleSemifinals · Lost to Coco Vandeweghe
- 8🇺🇸Francesca Di LorenzoRound of 32 · Lost to Eugenie Bouchard
- 9🇺🇸Whitney OsuigweRound of 32 · Lost to Dalma Galfi
- 10🇱🇺Mandy MinellaQuarterfinals · Lost to Coco Vandeweghe
- 11🇺🇸Usue Maitane ArconadaRound of 16 · Lost to Stefanie Voegele
- 12🇺🇸Allie KiickRound of 32 · Lost to Bethanie Mattek Sands
- 13🇺🇸Ann Li#31Round of 16 · Lost to Katarina Zavatska
- 14🇺🇸Caroline Dolehide#174Round of 16 · Lost to Taylor Townsend
- 15🇺🇸Sachia VickeryRound of 32 · Lost to Coco Vandeweghe
- 16🇺🇸Varvara LepchenkoRound of 32 · Lost to Catherine Cartan Bellis
- WC🇺🇸Coco VandewegheFinal · Lost to Kirsten Flipkens
- 🇺🇸Irina FalconiSemifinals · Lost to Kirsten Flipkens
- 🇺🇦Anhelina Kalinina#56Round of 16 · Lost to Coco Vandeweghe
- WC🇺🇸Bethanie Mattek SandsRound of 16 · Lost to Irina Falconi
- Q🇺🇸Catherine Cartan BellisRound of 16 · Lost to Kirsten Flipkens
- 🇭🇺Dalma Galfi#157Round of 16 · Lost to Caty Mcnally
- 🇨🇦Eugenie BouchardRound of 16 · Lost to Mandy Minella
- 🇰🇿Anna DanilinaRound of 32 · Lost to Taylor Townsend
- 🇭🇺Fanny StollarRound of 32 · Lost to Stefanie Voegele
- 🇲🇽Giuliana OlmosRound of 32 · Lost to Caroline Dolehide
- 🇺🇸Hailey Baptiste#46Round of 32 · Lost to Kirsten Flipkens
- 🇺🇸Hanna ChangRound of 32 · Lost to Usue Maitane Arconada
- 🇫🇷Jessika PonchetRound of 32 · Lost to Katarina Zavatska
- WC🇧🇦Katarina JokicRound of 32 · Lost to Mandy Minella
- 🇯🇵Mari OsakaRound of 32 · Lost to Caty Mcnally
- 🇷🇸Olga DanilovicRound of 32 · Lost to Ann Li
- LL🇺🇸Quinn GleasonRound of 32 · Lost to Irina Falconi
- 🇺🇸Catherine HarrisonRound of 64 · Lost to Giuliana Olmos
- 🇺🇸Danielle LaoRound of 64 · Lost to Bethanie Mattek Sands
- 🇮🇱Deniz KhazaniukRound of 64 · Lost to Mari Osaka
- 🇧🇬Elitsa KostovaRound of 64 · Lost to Hailey Baptiste
- 🇦🇺Ellen PerezRound of 64 · Lost to Catherine Cartan Bellis
- 🇧🇷Gabriela CeRound of 64 · Lost to Hanna Chang
- 🇺🇸Grace MinRound of 64 · Lost to Anhelina Kalinina
- 🇺🇸Jamie LoebRound of 64 · Lost to Dalma Galfi
- 🇷🇸Jovana JaksicRound of 64 · Lost to Fanny Stollar
- LL🇺🇸Kayla Day#126Round of 64 · Lost to Katarina Jokic
- 🇦🇷Nadia Podoroska#192Round of 64 · Lost to Irina Falconi
- 🇧🇾Olga GovortsovaRound of 64 · Lost to Anna Danilina
- 🇺🇸Shelby RogersRound of 64 · Lost to Olga Danilovic
- Q🇺🇸Sophie ChangRound of 64 · Lost to Jessika Ponchet
- 🇬🇷Valentini GrammatikopoulouRound of 64 · Lost to Eugenie Bouchard