The 2010 GEMAX Open was a professional tennis tournament played on carpet courts. It was part of the Tretorn SERIE+ of the 2010 ATP Challenger Tour. It took place in Belgrade, Serbia between 15 and 21 February 2010.
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
| Janko Tipsarević | 37 | 1 | ||
 Kazakhstan | Andrey Golubev | 106 | 2 | |
| Kazakhstan | Mikhail Kukushkin | 122 | 3 | |
| Stefan Koubek | 125 | 4 | ||
| Björn Phau | 126 | 5 | ||
| Dustin Brown | 132 | 6 | ||
 Slovakia | Karol Beck | 139 | 7 | |
| Somdev Devvarman | 141 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received special exempt into the main draw:
See main article: 2010 GEMAX Open – Singles. Karol Beck def. 
Ilija Bozoljac, 7 - 5, 7 - 6(4)
See main article: 2010 GEMAX Open – Doubles. Ilija Bozoljac / 
Jamie Delgado def. 
Dustin Brown / 
Martin Slanar, 6 - 3, 6 - 3
