| Date: | February 25 – March 3 |
| Edition: | 2nd |
| Draw: | 48S / 16D |
| Surface: | Hard, outdoor |
| Prize Money: | $162,480+H (ATP) $162,480 (WTA) |
| Category: | ATP Challenger Tour WTA 125K series |
| Location: | Indian Wells, United States |
| Venue: | Indian Wells Tennis Garden |
| Champms: |  Kyle Edmund |
| Champmd: |  JC Aragone / Marcos Giron |
| Champws: | Viktorija Golubic |
The 2019 Oracle Challenger Series – Indian Wells is a professional tennis tournament played on outdoor hard courts. It's the second edition of the tournament, which is part of the 2019 ATP Challenger Tour[1] and the 2019 WTA 125K series.[2] It took place from February 25 – March 3, 2019 in Indian Wells, United States.
| Event | Round of 16 | Round of 32 | Round of 48 | width=85 | width=85 | ||||||
| Men's singles | 125 | 75 | 45 | 25 | 10 | 5 | 0 | 0 | 0 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Men's doubles | 0 | ||||||||||
| Women's singles | 160 | 95 | 57 | 29 | 15 | 8 | 1 | 4 | 1 | ||
| Women's doubles | 1 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| United Kingdom | Kyle Edmund | 28 | 1 | |
 Serbia | Filip Krajinović | 77 | 2 | |
 Moldova, Republic of | ||||
 Russian Federation | Evgeny Donskoy | 96 | 4 | |
| Lloyd Harris | 98 | 5 | ||
 Uzbekistan | Denis Istomin | 102 | 6 | |
| Russian Federation | Andrey Rublev | 115 | 7 | |
| Yannick Maden | 116 | 8 | ||
| Jared Donaldson | 120 | 9 | ||
| Henri Laaksonen | 121 | 10 | ||
 Canada | Peter Polansky | 122 | 11 | |
| Serbia | Miomir Kecmanović | 125 | 12 | |
 Australia | Alex Bolt | 129 | 13 | |
| Jason Jung | 131 | 14 | ||
 Slovakia | Lukáš Lacko | 133 | 15 | |
 Czech Republic | Lukáš Rosol | 138 | 16 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 China | Wang Qiang | 18 | 1 | |
| Alison Riske | 51 | 2 | ||
 Belarus | Vera Lapko | 60 | 3 | |
 France | Kristina Mladenovic | 67 | 4 | |
| Russian Federation | Evgeniya Rodina | 71 | 5 | |
 Spain | Sara Sorribes Tormo | 76 | 6 | |
 Estonia | Kaia Kanepi | 84 | 7 | |
| Czech Republic | Kristýna Plíšková | 90 | 8 | |
| Taylor Townsend | 91 | 9 | ||
| Jessica Pegula | 92 | 10 | ||
 Kazakhstan | Zarina Diyas | 94 | 11 | |
| Madison Brengle | 95 | 12 | ||
 Luxembourg | Mandy Minella | 99 | 13 | |
| Viktorija Golubic | 101 | 14 | ||
| China | Zhu Lin | 107 | 15 | |
 Romania | Sorana Cîrstea | 108 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Paula Badosa Gibert → replaced by Sesil Karatantcheva Asia Muhammad
Luksika Kumkhum → replaced by Whitney Osuigwe
Magda Linette → replaced by Priscilla Hon Peng Shuai → replaced by Francesca Di Lorenzo Kristie Ahn Magdaléna Rybáriková → replaced by Han Xinyun Anna Karolína Schmiedlová → replaced by Allie Kiick Samantha Stosur → replaced by Claire Liu| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Hungary | Fanny Stollár | United Kingdom | Heather Watson | 134 | 1 | |
 Japan | Nao Hibino |  Georgia | Oksana Kalashnikova | 159 | 2 | |
| Serbia | Olga Danilović |  Ukraine | Nadiia Kichenok | 162 | 3 | |
| Romania | Sorana Cîrstea | Spain | Sara Sorribes Tormo | 171 | 4 |
The following pair received wildcard into the doubles main draw:
See main article: article and 2019 Oracle Challenger Series – Indian Wells – Men's singles.
Kyle Edmund def. Andrey Rublev 6–3, 6–2.See main article: article.
Jennifer Brady 3–6, 7–5, 6–3See main article: article and 2019 Oracle Challenger Series – Indian Wells – Men's doubles.
JC Aragone / Marcos Giron def. Darian King / Hunter Reese 6–4, 6–4.See main article: article and 2019 Oracle Challenger Series – Indian Wells – Women's doubles.
Kristýna Plíšková / Evgeniya Rodina def. Taylor Townsend / 
Yanina Wickmayer, 7–6(9–7), 6–4