The 2007 Movistar Open was a professional men's tennis event on the 2007 ATP Tour in Viña del Mar, Chile, held from 29 January to 4 February 2007. It was the 15th edition of the tournament and was part of the ATP International Series of the 2007 ATP Tour. This was the second tournament of the season (alongside Adelaide, Delray Beach, Buenos Aires and Las Vegas) that implemented a 24-player round robin tournament for the singles competition, as part of the round-robin trials proposed during this season. Fifth-seeded Luis Horna won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Fernando González | 9 | 1 | ||
 Argentina | Gastón Gaudio | 34 | 2 | |
| Nicolás Massú | 43 | 3 | ||
 Spain | Rubén Ramírez Hidalgo | 55 | 4 | |
 Peru | Luis Horna | 62 | 5 | |
| Argentina | Sergio Roitman | 78 | 6 | |
| Spain | Albert Montañés | 83 | 7 | |
| Argentina | Martín Vassallo Argüello | 85 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Gastón Gaudio (left thigh) → replaced by Diego Junqueira Sergio Roitman (adductor)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Argentina | Martín García | Argentina | Sebastián Prieto | 71 | 1 | |
| Peru | Luis Horna | Argentina | Sergio Roitman | 133 | 2 | |
 Brazil | Marcelo Melo | Brazil | André Sá | 178 | 3 | |
| Pablo Cuevas | Adrián García | 278 | 4 |
The following pairs received wildcards into the main draw:
The following pair received entry as alternates:
Marc López (ankle) → replaced by André Ghem and/or Juan Antonio MarínSee main article: 2007 Movistar Open – Singles. Luis Horna defeated Nicolás Massú 7–5, 6–3
See main article: 2007 Movistar Open – Doubles. Paul Capdeville / Óscar Hernández defeated Álbert Montañés / Rubén Ramírez Hidalgo 4–6, 6–4, [10–6]