The 2013 Internationaux de Tennis de BLOIS is a professional tennis tournament played on clay courts. It is the first edition of the tournament which is part of the 2013 ATP Challenger Tour. It takes place in Blois, France between 10 and 16 June 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Marc Gicquel | 126 | 1 | |
 Colombia | Alejandro González | 147 | 2 | |
| Julian Reister | 150 | 3 | ||
 Serbia | Dušan Lajović | 155 | 4 | |
| Paul Capdeville | 156 | 5 | ||
| France | ||||
 Spain | Pablo Carreño Busta | 164 | 7 | |
 Argentina | Facundo Bagnis | 165 | 8 | |
| Argentina | Guido Andreozzi | 167 | 9 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Máximo González Guillermo Olaso Laurent Rochette
Alexander WardThe following player received entry as a lucky loser:
See main article: 2013 Internationaux de Tennis de BLOIS – Singles.
Dušan Lajović 6–1, 6–7(3–7), 7–6(7–2)See main article: 2013 Internationaux de Tennis de BLOIS – Doubles.
Jonathan Eysseric / Nicolas Renavand def. Ruben Gonzales / 
Chris Letcher 6–3, 6–4