The 2013 Sport 1 Open was a professional tennis tournament played on clay courts. It was the 21st edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Scheveningen, Netherlands, between 8 and 15 July 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Robin Haase | 58 | 1 | ||
 Czech Republic | Jiří Veselý | 103 | 2 | |
 France | Marc Gicquel | 131 | 3 | |
 Ukraine | Oleksandr Nedovyesov | 142 | 4 | |
| Paul Capdeville | 148 | 5 | ||
| Björn Phau | 150 | 6 | ||
| Simon Greul | 157 | 7 | ||
| France | Florent Serra | 160 | 8 |
The following players received wildcards into the singles main draw:
The following players received special exempt into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2013 Sport 1 Open – Singles.
See main article: 2013 Sport 1 Open – Doubles.
