Gastão Elias Singles: 14 (6–8) Singles: 14 (6–8)

| Outcome | Date_ | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Runner-up | March 13, 2011 | U.S. F7, McAllen , United States | Hard | Wayne Odesnik | 6–7 (5–7) , 6–4, 6–1 |
| Runner-up | September 18, 2011 | Belo Horizonte , Brazil | Clay | Júlio Silva | 6–4, 6–4 |
| Runner-up | November 13, 2011 | Buenos Aires , Argentina | Clay | Carlos Berlocq | 6–1, 7–6 (7–3) |
| Runner-up | January 8, 2012 | São Paulo , Brazil | Hard | Thiago Alves | 7–6 (7–5) , 7–6 (7–1) |
| Runner-up | June 10, 2012 | Caltanissetta , Italia | Clay | Tommy Robredo | 6–3, 6–2 |
| Winner | October 21, 2012 | Rio de Janeiro , Brazil | Clay | Boris Pašanski | 6–3, 7–5 |
| Runner-up | October 28, 2012 | Porto Alegre , Brazil | Clay | Simon Greul | 2–6, 7–6 (7–5) , 7–5 |
| Winner | April 21, 2013 | Santos , Brazil | Clay | Rogério Dutra da Silva | 4-6, 6-2, 6-0 |