| Women's singles | |
|---|---|
| 2019 Citi Open | |
| Champion |  Jessica Pegula |
| Runner-up |  Camila Giorgi |
| Score | 6–2, 6–2 |
Svetlana Kuznetsova was the defending champion, however she was unable to defend her title due to visa issues. [1]
Jessica Pegula won her first WTA title, defeating Camila Giorgi in the final, 6–2, 6–2.
Sloane Stephens (first round) Madison Keys (first round) Sofia Kenin (second round)
Hsieh Su-wei (quarterfinals)
Lesia Tsurenko (second round)
Kateřina Siniaková (first round)
Anastasia Pavlyuchenkova (first round)
Monica Puig (second round)| Semifinals | Final | ||||||||||||
| Camila Giorgi | 77 | 6 | |||||||||||
| WC | Caty McNally | 65 | 2 | ||||||||||
| Camila Giorgi | 2 | 2 | |||||||||||
| Jessica Pegula | 6 | 6 | |||||||||||
| Jessica Pegula | 6 | 3 | 6 | ||||||||||
| Q | Anna Kalinskaya | 3 | 6 | 1 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Stephens | 2 | 5 | ||||||||||||||||||||||||
 R Peterson | 6 | 7 | R Peterson | 6 | 3 | 4 | |||||||||||||||||||||
| Q | S Vickery | 2 | 5 | C Giorgi | 3 | 6 | 6 | ||||||||||||||||||||
| C Giorgi | 6 | 7 | C Giorgi | 6 | 6 | ||||||||||||||||||||||
 Z Diyas | 6 | 6 | Z Diyas | 3 | 2 | ||||||||||||||||||||||
| Q | C Gauff | 4 | 2 | Z Diyas | 6 | 6 | |||||||||||||||||||||
 Y Wang | 3 | 2 | 5 | L Tsurenko | 4 | 4 | |||||||||||||||||||||
| 5 | L Tsurenko | 6 | 6 | C Giorgi | 77 | 6 | |||||||||||||||||||||
| 4 | S-w Hsieh | 6 | 6 | WC | C McNally | 65 | 2 | ||||||||||||||||||||
 K Flipkens | 4 | 3 | 4 | S-w Hsieh | 7 | 4 | 78 | ||||||||||||||||||||
| A Blinkova | 2 | 7 | 2 | Q | V Gracheva | 5 | 6 | 66 | |||||||||||||||||||
| Q | V Gracheva | 6 | 5 | 6 | 4 | S-w Hsieh | 4 | 3 | |||||||||||||||||||
| L Zhu | 4 | 2 | WC | C McNally | 6 | 6 | |||||||||||||||||||||
| WC | C McNally | 6 | 6 | WC | C McNally | 6 | 1 | 6 | |||||||||||||||||||
| C McHale | 6 | 4 | 7 | C McHale | 3 | 6 | 3 | ||||||||||||||||||||
| 7 | A Pavlyuchenkova | 2 | 6 | 5 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | K Siniaková | 4 | 3 | ||||||||||||||||||||||||
| J Pegula | 6 | 6 | J Pegula | 5 | 6 | 6 | |||||||||||||||||||||
 O Jabeur | 6 | 4 | 4 |  I Świątek | 7 | 4 | 1 | ||||||||||||||||||||
| I Świątek | 4 | 6 | 6 | J Pegula | 6 | 77 | |||||||||||||||||||||
 E Bouchard | 1 | 2 | L Davis | 2 | 62 | ||||||||||||||||||||||
| L Davis | 6 | 6 | L Davis | 5 | 6 | 6 | |||||||||||||||||||||
| J Brady | 2 | 4 | 3 | S Kenin | 7 | 3 | 4 | ||||||||||||||||||||
| 3 | S Kenin | 6 | 6 | J Pegula | 6 | 3 | 6 | ||||||||||||||||||||
| 8 | M Puig | 6 | 6 | Q | A Kalinskaya | 3 | 6 | 1 | |||||||||||||||||||
| WC | A Kiick | 4 | 2 | 8 | M Puig | 6 | 65 | 4 | |||||||||||||||||||
| Q | A Kalinskaya | 6 | 6 | Q | A Kalinskaya | 2 | 77 | 6 | |||||||||||||||||||
 N Hibino | 1 | 1 | Q | A Kalinskaya | 6 | 4 | 6 | ||||||||||||||||||||
 K Mladenovic | 6 | 6 | K Mladenovic | 4 | 6 | 2 | |||||||||||||||||||||
| PR | S Rogers | 4 | 4 | K Mladenovic | 6 | 4 | 6 | ||||||||||||||||||||
| WC | H Baptiste | 77 | 6 | WC | H Baptiste | 4 | 6 | 3 | |||||||||||||||||||
| 2 | M Keys | 64 | 2 | ||||||||||||||||||||||||
Cori Gauff (qualified) Sachia Vickery (qualified) Francesca Di Lorenzo (qualifying competition) Anna Kalinskaya (qualified)
Destanee Aiava (qualifying competition) Varvara Gracheva (qualified)
Fanny Stollár (qualifying competition) Hiroko Kuwata (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Cori Gauff | 6 | 6 | ||||||||||
| Maegan Manasse | 4 | 2 | |||||||||||
| 1 | Cori Gauff | 6 | 6 | ||||||||||
| 8 | Hiroko Kuwata | 1 | 2 | ||||||||||
| Alt | Maria Sanchez | 6 | 5 | 0 | |||||||||
| 8 | Hiroko Kuwata | 4 | 7 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Sachia Vickery | 6 | 6 | ||||||||||
 Naomi Broady | 0 | 0 | |||||||||||
| 2 | Sachia Vickery | 66 | 7 | 6 | |||||||||
| 5 | Destanee Aiava | 78 | 5 | 3 | |||||||||
| WC | Robin Montgomery | 6 | 5 | 2 | |||||||||
| 5 | Destanee Aiava | 4 | 7 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Francesca Di Lorenzo | 6 | 6 | ||||||||||
| Victoria Duval | 4 | 3 | |||||||||||
| 3 | Francesca Di Lorenzo | 66 | 4 | ||||||||||
| 6 | Varvara Gracheva | 78 | 6 | ||||||||||
| WC | Cameron Morra | 3 | 1 | ||||||||||
| 6 | Varvara Gracheva | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Anna Kalinskaya | 77 | 6 | ||||||||||
| Nika Kukcharchuk | 65 | 1 | |||||||||||
| 4 | Anna Kalinskaya | 77 | 6 | ||||||||||
| 7 | Fanny Stollár | 63 | 3 | ||||||||||
| You Xiaodi | 6 | 3 | 5 | ||||||||||
| 7 | Fanny Stollár | 2 | 6 | 7 | |||||||||
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