| Doubles | ||||
|---|---|---|---|---|
| 2011 Zucchetti Kos Tennis Cup | ||||
| Final | ||||
| Champions |  Julian Knowle Michael Kohlmann | |||
| Runners-up |  Colin Ebelthite Adam Feeney | |||
| Score | 2–6, 7–5, | |||
| Events | ||||
| ||||
| ||||
Robin Haase and Rogier Wassen were the defending champions, but Haase decided not to participate.
Wassen played alongside Jesse Huta Galung. They were eliminated already in the first round.
Julian Knowle and Michael Kohlmann won the title, defeating Colin Ebelthite and Adam Feeney 2–6, 7–5, in the final.
Seeds
- Julian Knowle / Michael Kohlmann (champions)
- Dustin Brown /
Lovro Zovko (first round) 
Johan Brunström / Andreas Siljeström (semifinals)- Frank Moser /
Ken Skupski (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Draw
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Knowle M Kohlmann
| 6 | 6 | ||||||||||||||||||||||||
 O Charroin P Raja
| 3 | 4 | 1 | J Knowle M Kohlmann
| w/o | ||||||||||||||||||||||
 J Huta Galung R Wassen
| 4 | 2 |  I Minář D Škoch
| ||||||||||||||||||||||||
| I Minář D Škoch
| 6 | 6 | 1 | J Knowle M Kohlmann
| 6 | 5 | |||||||||||||||||||||
| 4 | F Moser K Skupski
| 6 | 6 | WC |  M Navarra A Ungur
| 3 | 7 | ||||||||||||||||||||
| WC | J Hájek T Muster
| 1 | 4 | 4 | F Moser K Skupski
| 4 | 7 | ||||||||||||||||||||
| WC | M Navarra A Ungur
| 6 | 6 | WC | M Navarra A Ungur
| 6 | 6 | ||||||||||||||||||||
 U Ignatik M Kližan
| 2 | 4 | 1 | J Knowle M Kohlmann
| 2 | 7 | |||||||||||||||||||||
| WC | Simone Appio Mauro Commisso
| 4 | 5 | C Ebelthite A Feeney
| 6 | 5 | |||||||||||||||||||||
 R Ramírez Hidalgo Y Schukin
| 6 | 7 | R Ramírez Hidalgo Y Schukin
| 4 | 3 | ||||||||||||||||||||||
| J Delgado J Marray
| 2 | 6 | 3 | J Brunström A Siljeström
| 6 | 6 | |||||||||||||||||||||
| 3 | J Brunström A Siljeström
| 6 | 7 | 3 | J Brunström A Siljeström
| 5 | 2 | ||||||||||||||||||||
| C Ebelthite A Feeney
| 6 | 6 | C Ebelthite A Feeney
| 7 | 6 | ||||||||||||||||||||||
| A di Mauro A Motti
| 3 | 2 | C Ebelthite A Feeney
| 6 | 4 | ||||||||||||||||||||||
| J Pospíšil I Zelenay
| 6 | 7 | J Pospíšil I Zelenay
| 3 | 6 | ||||||||||||||||||||||
| 2 | D Brown L Zovko
| 2 | 6 | ||||||||||||||||||||||||