| 2009 GEMAX Open | |
|---|---|
| Date | February 15 – February 21 |
| Edition | 7th |
| Location | Belgrade, Serbia |
| Champions | |
| Singles | |
 Viktor Troicki | |
| Doubles | |
 Michael Kohlmann / Philipp Marx | |
The 2009 GEMAX Open was a professional tennis tournament played on carpet courts. It was part of the Tretorn SERIE+ of the 2009 ATP Challenger Tour. It took place in Belgrade, Serbia between 16 and 22 February 2009.
| Country | Player | Rank | Seed |
|---|---|---|---|
| SRB
|
Viktor Troicki | 46 | 1 |
| SRB
|
Janko Tipsarević | 49 | 2 |
 UKR
|
Sergiy Stakhovsky | 80 | 3 |
 BEL
|
Olivier Rochus | 117 | 4 |
| SRB
|
Ilija Bozoljac | 136 | 5 |
 SVK
|
Karol Beck | 137 | 6 |
 RUS
|
Mikhail Elgin | 142 | 7 |
| GER
|
Daniel Brands | 145 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Viktor Troicki def. Dominik Hrbatý, 6–4, 6–2
Michael Kohlmann / Philipp Marx def. 
Aisam-ul-Haq Qureshi / 
Lovro Zovko, 3–6, 6–2, 10–8
