2019 Oracle Challenger Series – Indian Wells – Men's singles

Martin Kližan was the defending champion but chose not to defend his title.

Kyle Edmund won the title after defeating Andrey Rublev 6–3, 6–2 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇬🇧 Kyle Edmund (champion)

• # 🇷🇸 Filip Krajinović (third round)

• # 🇲🇩 Radu Albot (withdrew)

• # 🇷🇺 Evgeny Donskoy (third round)

• # Lloyd Harris (semifinals)

• # 🇺🇿 Denis Istomin (second round)

• # 🇷🇺 Andrey Rublev (final)

• # 🇩🇪 Yannick Maden (quarterfinals)

• # 🇺🇸 Jared Donaldson (second round)

• # Henri Laaksonen (second round)

• # 🇨🇦 Peter Polansky (third round)

• # 🇷🇸 Miomir Kecmanović (second round)

• # 🇦🇺 Alex Bolt (quarterfinals)

• # Jason Jung (quarterfinals)

• # 🇸🇰 Lukáš Lacko (second round)

• # 🇨🇿 Lukáš Rosol (third round)