Argentina Open 1981
Ivan Lendl won the title, beating Guillermo Vilas 6–1 6–2 in the final.
Main draw 32 players
- 1🇺🇸Ivan LendlFinal · Champion
- 2🇦🇷Guillermo VilasFinal · Lost to Ivan Lendl
- 3🇵🇾Victor PecciRound of 32 · Lost to Pedro Rebolledo
- 4🇨🇱Hans GildemeisterRound of 16 · Lost to Juan Aguilera
- 5🇩🇪Rolf GehringQuarterfinals · Lost to Guillermo Vilas
- 6🇺🇾Jose Luis DamianiRound of 16 · Lost to Diego Perez
- 7🇪🇸Jose HiguerasRound of 16 · Lost to Andreas Maurer
- 8🇪🇨Andres GomezQuarterfinals · Lost to Pedro Rebolledo
- 🇩🇪Andreas MaurerSemifinals · Lost to Guillermo Vilas
- 🇨🇱Pedro RebolledoSemifinals · Lost to Ivan Lendl
- 🇺🇾Diego PerezQuarterfinals · Lost to Ivan Lendl
- Q🇪🇸Juan AguileraQuarterfinals · Lost to Andreas Maurer
- 🇨🇱Jaime FillolRound of 16 · Lost to Rolf Gehring
- 🇪🇸Jose Lopez MaesoRound of 16 · Lost to Andres Gomez
- 🇪🇸Manuel OrantesRound of 16 · Lost to Ivan Lendl
- 🇪🇨Ricardo YcazaRound of 16 · Lost to Pedro Rebolledo
- 🇦🇷Roberto ArguelloRound of 16 · Lost to Guillermo Vilas
- 🇪🇸Angel GimenezRound of 32 · Lost to Ivan Lendl
- Q🇨🇱Belus PrajouxRound of 32 · Lost to Andres Gomez
- 🇧🇪Bernard BoileauRound of 32 · Lost to Rolf Gehring
- 🇦🇷Eduardo BengoecheaRound of 32 · Lost to Ricardo Ycaza
- 🇪🇸Fernando LunaRound of 32 · Lost to Hans Gildemeister
- 🇵🇾Francisco GonzalezRound of 32 · Lost to Jaime Fillol
- 🇪🇸Gabriel UrpiRound of 32 · Lost to Jose Higueras
- 🇦🇷Guillermo AuboneRound of 32 · Lost to Jose Lopez Maeso
- Q🇦🇷Gustavo TibertiRound of 32 · Lost to Roberto Arguello
- Q🇺🇾Hugo RoveranoRound of 32 · Lost to Diego Perez
- 🇧🇷Joao SoaresRound of 32 · Lost to Juan Aguilera
- 🇩🇪Klaus EberhardRound of 32 · Lost to Andreas Maurer
- 🇧🇷Marcos HocevarRound of 32 · Lost to Manuel Orantes
- 🇵🇪Pablo ArrayaRound of 32 · Lost to Jose Luis Damiani
- 🇦🇷Ricardo CanoRound of 32 · Lost to Guillermo Vilas