Santiago CH 2018
Marco Cecchinato won the title, beating Carlos Gomez Herrera 1–6 6–1 6–1 in the final.
Main draw 32 players
- 1🇵🇹Gastao EliasRound of 16 · Lost to Jozef Kovalik
- 2🇮🇹Marco Cecchinato#173Final · Champion
- 3🇧🇷Rogerio Dutra SilvaQuarterfinals · Lost to Carlos Gomez Herrera
- 4🇵🇹Pedro SousaRound of 32 · Lost to Tommy Robredo
- 5🇸🇰Andrej Martin#364Round of 32 · Lost to Guido Andreozzi
- 6🇧🇷Thiago Monteiro#225Round of 32 · Lost to Gian Marco Moroni
- 8🇧🇷Thomaz BellucciQuarterfinals · Lost to Jozef Kovalik
- Q🇪🇸Carlos Gomez HerreraFinal · Lost to Marco Cecchinato
- 🇸🇰Jozef KovalikSemifinals · Lost to Carlos Gomez Herrera
- 🇪🇸Tommy RobredoSemifinals · Lost to Marco Cecchinato
- Q🇮🇹Gian Marco MoroniQuarterfinals · Lost to Tommy Robredo
- 🇦🇷Guido AndreozziQuarterfinals · Lost to Marco Cecchinato
- 🇪🇸Carlos Taberner#456Round of 16 · Lost to Marco Cecchinato
- WC🇨🇱Cristian Garin#174Round of 16 · Lost to Tommy Robredo
- 🇦🇷Facundo BagnisRound of 16 · Lost to Carlos Gomez Herrera
- LL🇦🇷Hernan Casanova#429Round of 16 · Lost to Rogerio Dutra Silva
- ALT🇷🇸Pedja KrstinRound of 16 · Lost to Guido Andreozzi
- 🇦🇷Renzo OlivoRound of 16 · Lost to Thomaz Bellucci
- 🇦🇹Sebastian Ofner#120Round of 16 · Lost to Gian Marco Moroni
- WC🇨🇱Alejandro Tabilo#31Round of 32 · Lost to Hernan Casanova
- 🇮🇹Alessandro GiannessiRound of 32 · Lost to Jozef Kovalik
- 🇧🇪Arthur De GreefRound of 32 · Lost to Pedja Krstin
- 🇫🇷Corentin Moutet#108Round of 32 · Lost to Facundo Bagnis
- 🇪🇸Enrique Lopez PerezRound of 32 · Lost to Renzo Olivo
- Q🇦🇷Facundo ArguelloRound of 32 · Lost to Thomaz Bellucci
- WC🇨🇱Gonzalo LamaRound of 32 · Lost to Sebastian Ofner
- 🇵🇹Joao DominguesRound of 32 · Lost to Rogerio Dutra Silva
- LL🇧🇷Joao SouzaRound of 32 · Lost to Carlos Gomez Herrera
- 🇫🇷Mathias BourgueRound of 32 · Lost to Cristian Garin
- Q🇦🇷Pedro CachinRound of 32 · Lost to Carlos Taberner
- 🇮🇹Simone BolelliRound of 32 · Lost to Marco Cecchinato
- WC🇨🇱Tomas Barrios Vera#191Round of 32 · Lost to Gastao Elias