The 2013 Crédit Agricole Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts. It was the 46th edition of the Crédit Agricole Suisse Open Gstaad, and was part of the ATP World Tour 250 Series of the 2013 ATP World Tour. It took place at the Roy Emerson Arena in Gstaad, Switzerland, from 20 July through 28 July 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Roger Federer | 5 | 1 | ||
| Stanislas Wawrinka[1] | 10 | 2 | ||
 Serbia | Janko Tipsarević | 16 | 3 | |
 Argentina | Juan Mónaco | 20 | 4 | |
 Spain | Feliciano López | 31 | 5 | |
 Russian Federation | Mikhail Youzhny | 32 | 6 | |
 Czech Republic | Lukáš Rosol | 40 | 7 | |
| Spain | Roberto Bautista-Agut | 49 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Jérémy Chardy Nikolay Davydenko Benoît Paire (elbow injury) Roberto Bautista-Agut (back injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Italy | Daniele Bracciali |  Slovakia | Filip Polášek | 88 | 1 | |
 Sweden | Johan Brunström | Raven Klaasen | 109 | 2 | ||
 United Kingdom | Jamie Murray |  Australia | John Peers | 122 | 3 | |
| Dustin Brown | Australia | Paul Hanley | 126 | 4 |
The following pairs received wildcards into the doubles main draw:
Roberto Bautista-Agut (back injury)See main article: 2013 Crédit Agricole Suisse Open Gstaad – Singles.
Mikhail Youzhny defeated Robin Haase, 6–3, 6–4See main article: 2013 Crédit Agricole Suisse Open Gstaad – Doubles.
Jamie Murray / John Peers defeated Pablo Andújar / Guillermo García-López, 6–3, 6–4
