The 2014 Aberto de Tênis do Rio Grande do Sul was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Porto Alegre, Brazil between 22 and 28 September 2014.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Carlos Berlocq | 67 | 1 | |
| Argentina | Diego Sebastián Schwartzman | 98 | 2 | |
| Argentina | Facundo Bagnis | 116 | 3 | |
| Argentina | Facundo Argüello | 117 | 4 | |
| Gastão Elias | 137 | 5 | ||
| Argentina | Guido Andreozzi | 171 | 6 | |
 France | Axel Michon | 181 | 7 | |
 Brazil | Guilherme Clezar | 191 | 8 |
The following players received wildcards into the singles main draw:
Rafael Matos Fabrício Neis Eduardo Russi Assumpção Marcelo ZormannThe following players received entry from the qualifying draw:
Daniel Dutra da Silva Tiago Lopes João Menezes Caio ZampieriSee main article: 2014 Aberto de Tênis do Rio Grande do Sul – Singles.
Carlos Berlocq def. Diego Schwartzman, 6–4, 4–6, 6–0See main article: 2014 Aberto de Tênis do Rio Grande do Sul – Doubles.
Guido Andreozzi / Guillermo Durán def. Facundo Bagnis / Diego Schwartzman, 6–3, 6–3