2019 Morelos Open – Singles

Dennis Novikov was the defending champion but lost in the third round to Renzo Olivo.

Matías Franco Descotte won the title after defeating Gonzalo Escobar 6–1, 6–4 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇷🇸 Peđa Krstin (second round)

• # 🇪🇨 Roberto Quiroz (quarterfinals)

• # 🇺🇸 Ernesto Escobedo (second round)

• # 🇨🇴 Daniel Elahi Galán (third round)

• # 🇺🇸 Christian Harrison (third round)

• # 🇩🇴 Roberto Cid Subervi (second round)

• # 🇨🇴 Santiago Giraldo (third round)

• # Mikael Torpegaard (second round)

• # 🇺🇸 Thai-Son Kwiatkowski (second round)

• # 🇪🇸 Roberto Ortega Olmedo (quarterfinals)

• # 🇺🇸 Dennis Novikov (third round)

• # Ante Pavić (second round, retired)

• # 🇺🇸 Ulises Blanch (second round)

• # 🇩🇪 Sebastian Fanselow (second round)

• # 🇺🇸 Evan King (semifinals)

• # 🇺🇸 Alexander Sarkissian (second round, retired)