# 2015 Marburg Open – Singles

Horacio Zeballos was the defending champion, but he did not participate this year.
Íñigo Cervantes won the title defeating Nils Langer in the final, 2–6, 7–6$^{(7–3)}$, 6–3.

## Seeds

* Taro Daniel (first round)
* Paul-Henri Mathieu (second round)
* Farrukh Dustov (first round)
* Andrey Golubev (first round)
* Íñigo Cervantes (champion)
* Jürgen Zopp (first round)
* Renzo Olivo (first round)
* Tobias Kamke (second round)

## 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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Karen Khachanov | 6$^2$ | 4 | | | | | |
| 5 | Íñigo Cervantes | 7$^7$ | 6 | | | | | |
| 5 | Íñigo Cervantes | 7$^7$ | 6 | 5 | Íñigo Cervantes | 2 | 7$^7$ | 6 |
| | | | | | Nils Langer | 6 | 6$^3$ | 3 |
| | Nils Langer | 6 | 6 | | Nils Langer | 6 | 6$^3$ | 3 |
| WC | Daniel Brands | 2 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Daniel | 6 | 3 | 4 | | | | | | | | | | | | | | |
| | M Bašić | 3 | 6 | 6 | | M Bašić | 3 | 7$^{10}$ | 7$^7$ | | | | | | | | | |
| WC | D Masur | 2 | 6$^5$ | | | U Ignatik | 6 | 6$^8$ | 6$^2$ | | | | | | | | | |
| | U Ignatik | 6 | 7$^7$ | | | | | | | | M Bašić | 0 | 5 | | | | | |
| | K Khachanov | 6 | 6 | | | | | | | | K Khachanov | 6 | 7 | | | | | |
| PR | P Riba | 4 | 4 | | | K Khachanov | 5 | 7$^7$ | 6 | | | | | | | | | |
| | T Pütz | 4 | 1 | | 8 | T Kamke | 7 | 6$^2$ | 3 | | | | | | | | | |
| 8 | T Kamke | 6 | 6 | | | | | | | | | | | | | K Khachanov | 6$^2$ | 4 |
| 4 | A Golubev | 4 | 7$^7$ | 3 | | | | | | | | | | | 5 | Í Cervantes | 7$^7$ | 6 |
| | G Mina | 6 | 6$^3$ | 6 | | G Mina | 2 | 2 | | | | | | | | | | |
| Q | J Šátral | 6$^6$ | 6 | 6 | Q | J Šátral | 6 | 6 | | | | | | | | | | |
| Q | E Donskoy | 7$^8$ | 4 | 3 | | | | | | Q | J Šátral | 6 | 3 | 2 | | | | |
| LL | L Giustino | 3 | 1 | | | | | | | 5 | Í Cervantes | 1 | 6 | 6 | | | | |
| | A Beck | 6 | 6 | | | A Beck | 2 | 6 | 2 | | | | | | | | | |
| WC | J Choinski | 3 | 4 | | 5 | Í Cervantes | 6 | 3 | 6 | | | | | | | | | |
| 5 | Í Cervantes | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | J Zopp | 6$^5$ | 3 | | | | | | | | | | | | | | |
| | N Langer | 7$^7$ | 6 | | | N Langer | 7$^7$ | 6 | | | | | | | | | |
| | J Kubler | 6 | 6 | | | J Kubler | 6$^4$ | 3 | | | | | | | | | |
| | G Panfil | 2 | 3 | | | | | | | | N Langer | 7$^7$ | | | | | |
| Q | M Ledovskikh | 7$^{10}$ | 4 | 6 | | | | | | Q | A De Greef | 6$^1$ | r | | | | |
| | L Djere | 6$^8$ | 6 | 4 | Q | M Ledovskikh | 6$^2$ | 6$^5$ | | | | | | | | | |
| Q | A De Greef | 6 | 6 | | Q | A De Greef | 7$^7$ | 7$^7$ | | | | | | | | | |
| 3 | F Dustov | 3 | 2 | | | | | | | | | | | | N Langer | 6 | 6 |
| 7 | R Olivo | 4 | 4 | | | | | | | | | | | WC | D Brands | 2 | 4 |
| WC | D Brands | 6 | 6 | | WC | D Brands | 4 | 6 | 6 | | | | | | | | |
| | M Authom | 3 | 4 | | | G Lapentti | 6 | 4 | 4 | | | | | | | | |
| | G Lapentti | 6 | 6 | | | | | | | WC | D Brands | 6 | 6 | | | | |
| SE | R Dutra Silva | 6 | 6 | | | | | | | SE | R Dutra Silva | 3 | 2 | | | | |
| | J Kovalík | 4 | 0 | | SE | R Dutra Silva | 6 | | | | | | | | | | |
| WC | J Lenz | 6 | 3 | 3 | 2 | P-H Mathieu | 3$^r$ | | | | | | | | | | |
| 2 | P-H Mathieu | 4 | 6 | 6 | | | | | | | | | | | | | |