| Date: | 30 September – 6 October |
| Edition: | 9th |
| Surface: | Hard |
| Location: | Mons, Belgium |
| Champs: |  Radek Štěpánek |
| Champd: | Jesse Huta Galung / Igor Sijsling |
The 2013 Ethias Trophy was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Mons, Belgium between 30 September and 6 October 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Czech Republic | Radek Štěpánek | 51 | 1 | |
 France | Kenny de Schepper | 67 | 2 | |
| Igor Sijsling | 75 | 3 | ||
| Tobias Kamke | 78 | 4 | ||
 Ukraine | Sergiy Stakhovsky | 93 | 5 | |
 Argentina | Leonardo Mayer | 94 | 6 | |
| Jesse Huta Galung | 96 | 7 | ||
 Kazakhstan | Mikhail Kukushkin | 100 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry as a special exempt into the singles main draw:
The following players received entry as an alternate into the singles main draw:
The following players used protected ranking to gain entry into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2013 Ethias Trophy – Singles.
Radek Štěpánek def. Igor Sijsling 6–3, 7–5See main article: 2013 Ethias Trophy – Doubles.
Eric Butorac / Raven Klaasen 4–6, 7–6(7–2), [10–7]
