| Date: | 17–23 September |
| Edition: | 6th |
| Surface: | Clay |
| Location: | Trnava, Slovakia |
| Champs: |  Andrey Kuznetsov |
| Champd: |  Nikola Ćirić /  Goran Tošić |
| Before Name: | ATP Challenger Trophy |
The 2012 Arimex ATP Challenger Trophy was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Trnava, Slovakia between 17 and 23 September 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Czech Republic | Lukáš Rosol | 88 | 1 | |
 Romania | Adrian Ungur | 102 | 2 | |
| João Sousa | 107 | 3 | ||
 Austria | Andreas Haider-Maurer | 118 | 4 | |
| Russian Federation | Andrey Kuznetsov | 126 | 5 | |
| Antonio Veić | 137 | 6 | ||
| Paul Capdeville | 161 | 7 | ||
 Italy | Matteo Viola | 162 | 8 |
The following players received wildcards into the singles main draw:
Norbert Gomboš Nicolas Reissig Adrian SikoraThe following players received entry as a special exempt into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2012 ATP Challenger Trophy – Singles.
Andrey Kuznetsov def. Adrian Ungur, 6–3, 6–3See main article: 2012 ATP Challenger Trophy – Doubles.
Nikola Ćirić / Goran Tošić def. Mate Pavić / Franko Škugor, 7–6(7–0), 7–5
