| Singles | |
|---|---|
| 2013 Aberto de Tênis do Rio Grande do Sul | |
| Champion |  Facundo Argüello |
| Runner-up | Máximo González |
| Score | 6–4, 6–1 |
Simon Greul was the defending champion, but chose not to compete.
Facundo Argüello won the title, defeating Máximo González in the final, 6–4, 6–1.
Guido Pella (second round)
Blaž Kavčič (first round)
Thiemo de Bakker (first round) Martín Alund (second round)
Rogério Dutra da Silva (second round)
Gastão Elias (first round) João Souza (second round)
Paul Capdeville (second round)| Semifinals | Final | ||||||||||||
| Máximo González | 4 | 7 | 6 | ||||||||||
| Guilherme Clezar | 6 | 5 | 4 | ||||||||||
| Máximo González | 4 | 1 | |||||||||||
| Facundo Argüello | 6 | 6 | |||||||||||
| Facundo Argüello | 7 | 6 | |||||||||||
| Pedro Sousa | 5 | 1 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | G Pella | 6 | 6 | ||||||||||||||||||||||||
 D Souto | 3 | 1 | 1 | G Pella | 6 | 4 | 4 | ||||||||||||||||||||
| A Ghem | 6 | 6 | A Ghem | 3 | 6 | 6 | |||||||||||||||||||||
 V Estrella | 2 | 1 | A Ghem | 6 | 3 | 3 | |||||||||||||||||||||
| WC | F Neis | 6 | 3 | 5 | M González | 2 | 6 | 6 | |||||||||||||||||||
| M González | 4 | 6 | 7 | M González | 6 | 6 | |||||||||||||||||||||
| WC | M Demoliner | 3 | 4 | 5 | R Dutra da Silva | 3 | 2 | ||||||||||||||||||||
| 5 | R Dutra da Silva | 6 | 6 | M González | 4 | 7 | 6 | ||||||||||||||||||||
| 3 | T de Bakker | 4 | 5 | G Clezar | 6 | 5 | 4 | ||||||||||||||||||||
| WC | T Monteiro | 6 | 7 | WC | T Monteiro | 6 | 3 | 2 | |||||||||||||||||||
| G Clezar | 6 | 78 | G Clezar | 1 | 6 | 6 | |||||||||||||||||||||
| F Bagnis | 2 | 66 | G Clezar | 6 | 6 | ||||||||||||||||||||||
| R Hocevar | 5 | 6 | 77 | R Hocevar | 1 | 2 | |||||||||||||||||||||
| A Velotti | 7 | 1 | 62 | R Hocevar | 6 | 6 | |||||||||||||||||||||
| SE |  B Fratangelo | 1 | 6 | 3 | 8 | P Capdeville | 2 | 1 | |||||||||||||||||||
| 8 | P Capdeville | 6 | 4 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | J Souza | 6 | 77 | ||||||||||||||||||||||||
 JC Campozano | 1 | 61 | 7 | J Souza | 2 | 2 | |||||||||||||||||||||
| Q | A Collarini | 1 | 2 | G Andreozzi | 6 | 6 | |||||||||||||||||||||
| G Andreozzi | 6 | 6 | G Andreozzi | 4 | 3 | ||||||||||||||||||||||
| F Argüello | 6 | 7 | F Argüello | 6 | 6 | ||||||||||||||||||||||
| P Heras | 2 | 5 | F Argüello | 4 | 6 | 6 | |||||||||||||||||||||
| WC | E Dischinger | 1 | 6 | 5 | 4 | M Alund | 6 | 0 | 3 | ||||||||||||||||||
| 4 | M Alund | 6 | 4 | 7 | F Argüello | 7 | 6 | ||||||||||||||||||||
| 6 | G Elias | 3 | 4 | P Sousa | 5 | 1 | |||||||||||||||||||||
| Q |  G Quinzi | 6 | 6 | Q | G Quinzi | 6 | 6 | ||||||||||||||||||||
| Q |  C Gómez-Herrera | 2 | 3 | L Kirche | 2 | 2 | |||||||||||||||||||||
| L Kirche | 6 | 3 | Q | G Quinzi | 6 | 0 | 61 | ||||||||||||||||||||
| Q | J Hernández | 1 | 6 | 6 | P Sousa | 3 | 6 | 77 | |||||||||||||||||||
| PR | E Schwank | 6 | 4 | 3 | Q | J Hernández | 2 | 0 | |||||||||||||||||||
| P Sousa | 6 | 6 | P Sousa | 6 | 6 | ||||||||||||||||||||||
| 2 | B Kavčič | 3 | 4 | ||||||||||||||||||||||||
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