2019 Oracle Challenger Series – Newport Beach – Men's singles

Taylor Fritz was the defending champion and successfully defended his title after defeating Brayden Schnur 7–6(9–7), 6–4 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇺🇸 Taylor Fritz (champion)

• # 🇺🇸 Bradley Klahn (withdrew)

• # 🇺🇸 Mackenzie McDonald (third round)

• # 🇮🇹 Paolo Lorenzi (second round)

• # 🇨🇦 Peter Polansky (second round)

• # Jason Jung (quarterfinals)

• # 🇷🇸 Miomir Kecmanović (quarterfinals)

• # 🇺🇸 Bjorn Fratangelo (second round)

• # 🇺🇸 Noah Rubin (second round)

• # 🇩🇪 Dominik Köpfer (second round)

• # 🇺🇸 Christopher Eubanks (second round)

• # Darian King (quarterfinals)

• # 🇪🇨 Roberto Quiroz (third round)

• # 🇺🇸 Ernesto Escobedo (second round)

• # 🇺🇸 Tommy Paul (withdrew)

• # 🇨🇦 Brayden Schnur (final)