| Type: | ATP Challenger |
| Concurso Internacional de Tenis – San Sebastián | |
| City: | San Sebastián |
| Country: | Spain |
| Venue: | Real Club de Tenis de San Sebastián |
| Category: | ATP Challenger Tour |
| Surface: | Clay / Outdoors |
| Draw: | 32S/32Q/16D |
| Prize Money: | €30,000+H |
| Website: | (Spanish) |
The Concurso Internacional de Tenis – San Sebastián is a tennis tournament held in San Sebastián, Spain. The event is part of the Association of Tennis Professionals (ATP) Challenger Tour and is played on outdoor red clay courts.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Albert Ramos | 6–1, 6–2 | |||
| Albert Ramos-Viñolas | 6–4, 6–2 | |||
| Thiemo de Bakker | 6–2, 6–3 | |||
| 2008 | Pablo Andújar | 6–4, 6–1 |
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| 2011 |  Stefano Ianni Simone Vagnozzi | Daniel Gimeno-Traver Israel Sevilla | 6–3, 6–4 | |
| 2010 | Rubén Ramírez Hidalgo Santiago Ventura |  Brian Battistone  Andreas Siljeström | 6–4, 7–6(3) | |
| 2009 |  Jonathan Eysseric Romain Jouan | Pedro Clar-Rosselló Albert Ramos-Viñolas | 7–5, 6–3 | |
| 2008 | Marc López Gabriel Trujillo-Soler | Rubén Ramírez Hidalgo José Antonio Sánchez-de Luna | 6–7(3), 6–3, [10–6] |