Argentina Open 2018
Dominic Thiem won the title, beating Aljaz Bedene 6–2 6–4 in the final.
Main draw 28 players
- 1🇦🇹Dominic ThiemFinal · Champion
- 2🇪🇸Pablo Carreno Busta#77Round of 16 · Lost to Guillermo Garcia Lopez
- 3🇪🇸Albert RamosRound of 16 · Lost to Aljaz Bedene
- 4🇮🇹Fabio FogniniRound of 16 · Lost to Leonardo Mayer
- 5🇦🇷Diego SchwartzmanQuarterfinals · Lost to Aljaz Bedene
- 7🇺🇾Pablo CuevasRound of 32 · Lost to Gael Monfils
- 8🇪🇸Fernando VerdascoRound of 16 · Lost to Guido Pella
- 🇸🇮Aljaz BedeneFinal · Lost to Dominic Thiem
- 🇦🇷Federico DelbonisSemifinals · Lost to Aljaz Bedene
- 🇫🇷Gael MonfilsSemifinals · Lost to Dominic Thiem
- 🇦🇷Guido PellaQuarterfinals · Lost to Dominic Thiem
- 🇪🇸Guillermo Garcia LopezQuarterfinals · Lost to Federico Delbonis
- 🇦🇷Leonardo MayerQuarterfinals · Lost to Gael Monfils
- 🇷🇸Dusan Lajovic#158Round of 16 · Lost to Gael Monfils
- LL🇵🇹Gastao EliasRound of 16 · Lost to Federico Delbonis
- 🇦🇷Horacio ZeballosRound of 16 · Lost to Dominic Thiem
- Q🇧🇷Thomaz BellucciRound of 16 · Lost to Diego Schwartzman
- PR🇦🇹Andreas Haider MaurerRound of 32 · Lost to Diego Schwartzman
- WC🇦🇷Carlos BerlocqRound of 32 · Lost to Guillermo Garcia Lopez
- Q🇦🇷Facundo BagnisRound of 32 · Lost to Dusan Lajovic
- 🇩🇪Florian MayerRound of 32 · Lost to Federico Delbonis
- 🇨🇿Jiri VeselyRound of 32 · Lost to Aljaz Bedene
- Q🇮🇹Marco Cecchinato#173Round of 32 · Lost to Horacio Zeballos
- WC🇦🇷Nicolas Kicker#336Round of 32 · Lost to Guido Pella
- WC🇦🇷Pedro CachinRound of 32 · Lost to Thomaz Bellucci
- SE🇪🇸Roberto Carballes Baena#266Round of 32 · Lost to Gastao Elias
- Q🇧🇷Rogerio Dutra SilvaRound of 32 · Lost to Leonardo Mayer
- SE🇧🇷Thiago Monteiro#225Round of 32 · Lost to Fernando Verdasco