# 2019 Oracle Challenger Series – Indian Wells – Women's singles

Sara Errani was the defending champion, but lost in the first round to Allie Kiick.
Viktorija Golubic won the title, defeating Jennifer Brady in the final, 3–6, 7–5, 6–3.

## Seeds

All seeds received a bye into the second round.
* Wang Qiang (semifinals)
* Alison Riske (third round)
* Vera Lapko (second round)
* Kristina Mladenovic (second round)
* Evgeniya Rodina (second round)
* Sara Sorribes Tormo (quarterfinals)
* Kaia Kanepi (third round)
* Kristýna Plíšková (quarterfinals)
* Taylor Townsend (third round)
* Jessica Pegula (third round)
* Zarina Diyas (semifinals)
* Madison Brengle (second round)
* Mandy Minella (second round)
* Viktorija Golubic (champion)
* Zhu Lin (second round)
* Sorana Cîrstea (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1/WC | Wang Qiang | 6 | 6 | | | | | | | | | |
| 8 | Kristýna Plíšková | 4 | 4 | | | | | | | | | |
| 8 | Kristýna Plíšková | 4 | 4 | 1/WC | Wang Qiang | 5 | 1 | | | | | |
| | | | | 14 | Viktorija Golubic | 7 | 6 | | | | | |
| 14 | Viktorija Golubic | 6 | 7 | 14 | Viktorija Golubic | 7 | 6 | | | | | |
| 6 | Sara Sorribes Tormo | 0 | 5 | | | | | | | | | |
| 6 | Sara Sorribes Tormo | 0 | 5 | | | | | 14 | Viktorija Golubic | 3 | 7 | 6 |
| | | | | | | | | | Jennifer Brady | 6 | 5 | 3 |
| 11 | Zarina Diyas | 6 | 6 | | | | | | | | | | Jennifer Brady | 6 | 5 | 3 |
| | Francesca Di Lorenzo | 4 | 3 | | | | | | | | | |
| | Francesca Di Lorenzo | 4 | 3 | 11 | Zarina Diyas | 3 | 3 | | | | | |
| | | | | | Jennifer Brady | 6 | 6 | | | | | |
| Nicole Gibbs | Nicole Gibbs | 5 | 0 | | Jennifer Brady | 6 | 6 | | | | | |
| Jennifer Brady | Jennifer Brady | 7 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | Q Wang | 2 | 6 | 6 | | | | | | | | |
| L Davis | L Davis | 7 | 4 | 4 | | N Vikhlyantseva | 6 | 0 | 3 | | | | | | | | |
| N Vikhlyantseva | N Vikhlyantseva | 5 | 6 | 6 | | | | | | 1/WC | Q Wang | 6 | 6 | | | | |
| Q | E Shibahara | 2 | 1 | | | | | | | | C Liu | 1 | 4 | | | | |
| | C Liu | 6 | 6 | | | C Liu | 6 | 3 | 6 | | | | | | | | |
| | | | | | 13 | M Minella | 2 | 6 | 1 | | | | | | | | |
| | | | | | | | | | | | | | | 1/WC | Q Wang | 6 | 6 |
| | | | | | | | | | | | | | | 8 | Kr Plíšková | 4 | 4 |
| | | | | | 8 | Kr Plíšková | 2 | 7 | 7 | | | | | | | | |
| O Danilović | O Danilović | 4 | 6 | 6 | | O Danilović | 6 | 5 | 5 | | | | | | | | |
| C Dolehide | C Dolehide | 6 | 3 | 1 | | | | | | 8 | Kr Plíšková | 6 | 7$^7$ | | | | |
| W Osuigwe | W Osuigwe | 6 | 6$^5$ | 5 | | | | | | | K Ahn | 1 | 6$^2$ | | | | |
| K Ahn | K Ahn | 3 | 7$^7$ | 7 | | K Ahn | 7$^7$ | 3 | 6 | | | | | | | | |
| | | | | | 16 | S Cîrstea | 6$^4$ | 6 | 3 | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | V Lapko | 2 | 4 | | | | | | | | |
| WC | C McNally | 5 | 6 | 6 | WC | C McNally | 6 | 6 | | | | | | | | |
| | S Karatantcheva | 7 | 4 | 4 | | | | | WC | C McNally | 6$^4$ | 1 | | | | |
| | F Stollár | 3 | 4 | | | | | | 14 | V Golubic | 7$^7$ | 6 | | | | |
| WC | J Loeb | 6 | 6 | | WC | J Loeb | 3 | 2 | | | | | | | | |
| | | | | | 14 | V Golubic | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 14 | V Golubic | 6 | 7 |
| | | | | | | | | | | | | | 6 | S Sorribes Tormo | 0 | 5 |
| | | | | | 10 | J Pegula | 6 | 6 | | | | | | | | |
| Q | K Day | 4 | 5 | | | A Muhammad | 3 | 0 | | | | | | | | |
| | A Muhammad | 6 | 7 | | | | | | 10 | J Pegula | 2 | 2 | | | | |
| K Kozlova | K Kozlova | 0 | 3 | | | | | | 6 | S Sorribes Tormo | 6 | 6 | | | | |
| V Lepchenko | V Lepchenko | 6 | 6 | | | V Lepchenko | 6$^4$ | 2 | | | | | | | | |
| | | | | | 6 | S Sorribes Tormo | 7$^7$ | 6 | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | K Kanepi | 6 | 6 | | | | | | | | | | |
| A Kiick | A Kiick | 6 | 5 | 6 | | A Kiick | 0 | 2 | | | | | | | | | | |
| S Errani | S Errani | 3 | 7 | 2 | | | | | | 7 | K Kanepi | 3 | 6$^6$ | | | | | |
| H Watson | H Watson | 4 | 6$^4$ | | | | | | | 11 | Z Diyas | 6 | 7$^8$ | | | | | |
| X Han | X Han | 6 | 7$^7$ | | | X Han | 1 | 1 | | | | | | | | | | |
| | | | | | 11 | Z Diyas | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 11 | Z Diyas | 6 | 6 |
| | | | | | | | | | | | | | | | | F Di Lorenzo | 4 | 3 |
| | | | | | 15 | L Zhu | 6 | 3 | 4 | | | | | | | | | |
| F Di Lorenzo | F Di Lorenzo | 4 | 7 | 6 | | F Di Lorenzo | 1 | 6 | 6 | | | | | | | | | |
| N Hibino | N Hibino | 6 | 5 | 3 | | | | | | F Di Lorenzo | F Di Lorenzo | 1 | 6 | 7$^7$ | | | | |
| | T Bacsinszky | 6 | 1 | 6 | | | | | | T Bacsinszky | T Bacsinszky | 6 | 2 | 6$^4$ | | | | |
| WC | C Gauff | 3 | 6 | 4 | | T Bacsinszky | 3 | 6 | 6 | | | | | | | | | |
| | | | | | 4 | K Mladenovic | 6 | 4 | 3 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | E Rodina | 5 | 3 | | | | | | | | | |
| N Gibbs | N Gibbs | 6 | 6 | | | N Gibbs | 7 | 6 | | | | | | | | | |
| P Hon | P Hon | 0 | 4 | | | | | | | | N Gibbs | 6 | 6 | | | | |
| S Vickery | S Vickery | 6 | 6 | | | | | | | 9 | T Townsend | 1 | 1 | | | | |
| J Glushko | J Glushko | 3 | 2 | | | S Vickery | 5 | 2 | | | | | | | | | |
| | | | | | 9 | T Townsend | 7 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | N Gibbs | N Gibbs | 5 | 0 |
| | | | | | | | | | | | | | | J Brady | J Brady | 7 | 6 |
| | | | | | 12 | M Brengle | 3 | 1 | | | | | | | | | |
| WC | K Volynets | 3 | 3 | | | J Brady | 6 | 6 | | | | | | | | | |
| | J Brady | 6 | 6 | | | | | | | | J Brady | 6 | 7$^7$ | | | | |
| F Ferro | F Ferro | 6 | 3 | 3 | | | | | | 2 | A Riske | 3 | 6$^4$ | | | | |
| Y Wickmayer | Y Wickmayer | 1 | 6 | 6 | | Y Wickmayer | 6 | 3 | 3 | | | | | | | | |
| | | | | | 2 | A Riske | 3 | 6 | 6 | | | | | | | | |

## Qualifying
### Seeds

* Mayo Hibi (qualifying competition)
* Jovana Jakšić (qualifying competition)

### Qualifiers

* Ena Shibahara
* Kayla Day

### Qualifying draw
#### First qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Mayo Hibi | 6 | 3 | 4 |
| WC | Ena Shibahara | 2 | 6 | 6 |

#### Second qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Jovana Jakšić | 7$^7$ | 4 | 1 |
| WC | Kayla Day | 6$^2$ | 6 | 6 |