| Date: | 14–22 September |
| Edition: | 7th |
| Surface: | Clay |
| Location: | Trnava, Slovakia |
| Champs: | Julian Reister |
| Champd: | Marin Draganja / Mate Pavić |
The 2013 Arimex ATP Challenger Trophy was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place at the TC EMPIRE in Trnava, Slovakia from 14 to 22 September 2013, including the qualifying competition on the first two days.
| Country | Player | Rank[1] | Seed | |
|---|---|---|---|---|
 Russian Federation | Andrey Kuznetsov | 83 | 1 | |
 Czech Republic | Jan Hájek | 103 | 2 | |
 Slovenia | Aljaž Bedene | 107 | 3 | |
| Julian Reister | 109 | 4 | ||
| Adrian Ungur | 117 | 5 | ||
 Slovakia | Andrej Martin | 120 | 6 | |
 France | Stéphane Robert | 133 | 7 | |
 Serbia | Dušan Lajović | 142 | 8 |
The following players received wildcards into the singles main draw:
Martin Přikryl Mike UrbanijaThe following players received entry from the qualifying draw:
Riccardo Bellotti 
Pascal Brunner Nikola Čačić Antal van der DuimSee main article: 2013 Arimex Challenger Trophy – Singles.
See main article: 2013 Arimex Challenger Trophy – Doubles.
Jaroslav Pospíšil 7–5, 4–6, [10–6]