# 2013 Marburg Open – Singles

Jan Hájek was the defending champion, but decided not to participate. Andrey Golubev defeated Diego Sebastián Schwartzman in the final 6–1 6–3.

## Seeds

* Rubén Ramírez Hidalgo (second round)
* Diego Sebastián Schwartzman (final)
* Paul Capdeville (quarterfinals)
* Simon Greul (first round)
* Josselin Ouanna (first round)
* Jesse Huta Galung (quarterfinals)
* Andrej Martin (quarterfinals)
* Andrey Golubev (champion)

## 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 |
| 8 | Andrey Golubev | 6 | 6 | | | | |
| 6 | Jesse Huta Galung | 2 | 4 | | | | |
| 6 | Jesse Huta Galung | 2 | 4 | 8 | Andrey Golubev | 6 | 6 |
| | | | | 2 | Diego Sebastián Schwartzman | 1 | 3 |
| | Máximo González | 2 | 2 | 2 | Diego Sebastián Schwartzman | 1 | 3 |
| 2 | Diego Sebastián Schwartzman | 6 | 6 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | | | | |
| | R Olivo | 1 | 0 | | 1 | R Ramírez Hidalgo | 7$^{11}$ | 6$^3$ | 4 | | | | | | | | |
| | T Pütz | 6$^5$ | 6 | 6 | | T Pütz | 6$^9$ | 7$^7$ | 6 | | | | | | | | |
| WC | M Marterer | 7$^7$ | 1 | 4 | | | | | | | T Pütz | 4 | 2 | | | | |
| Q | A Vatutin | 6 | 4 | 6$^5$ | | | | | | 8 | A Golubev | 6 | 6 | | | | |
| | N Langer | 3 | 6 | 7$^7$ | | N Langer | 6 | 1 | 4 | | | | | | | | |
| WC | J Lenz | 3 | 2 | | 8 | A Golubev | 4 | 6 | 4 | | | | | | | | |
| 8 | A Golubev | 6 | 6 | | | | | | | | | | | 8 | A Golubev | 6 | 6 |
| 4 | S Greul | 1 | 6 | 6$^1$ | | | | | | | | | | 6 | J Huta Galung | 2 | 4 |
| Q | K Mesaroš | 6 | 3 | 7$^7$ | Q | K Mesaroš | 4 | 2 | | | | | | | | | |
| SE | N Gombos | 6 | 6 | | SE | N Gombos | 6 | 6 | | | | | | | | | |
| | M Pavić | 3 | 0 | | | | | | | SE | N Gombos | 6$^0$ | 3 | | | | |
| Q | Stefan Seifert | 4 | 7 | 3 | | | | | | 6 | J Huta Galung | 7$^7$ | 6 | | | | |
| | A Giannessi | 6 | 5 | 6 | | A Giannessi | 2 | 2 | | | | | | | | | |
| | M Mečíř | 3 | 6$^3$ | | 6 | J Huta Galung | 6 | 6 | | | | | | | | | |
| 6 | J Huta Galung | 6 | 7$^7$ | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J Ouanna | 4 | 3 | | | | | | | | | | | | | | | |
| | M González | 6 | 6 | | | M González | 7$^8$ | 6 | | | | | | | | | | |
| | E Korolev | 6 | 4 | 2 | | G Naso | 6$^6$ | 4 | | | | | | | | | | |
| | G Naso | 4 | 6 | 6 | | | | | | | M González | 7 | 4 | 6 | | | | |
| | A Ghem | 4 | 2 | | | | | | | 3 | P Capdeville | 5 | 6 | 1 | | | | |
| WC | A Beck | 6 | 6 | | WC | A Beck | 6 | 2 | 4 | | | | | | | | | |
| | M Kukushkin | 3 | 6 | 5 | 3 | P Capdeville | 4 | 6 | 6 | | | | | | | | | |
| 3 | P Capdeville | 6 | 1 | 7 | | | | | | | | | | | | M González | 2 | 2 |
| 7 | A Martin | 7$^8$ | 7$^7$ | | | | | | | | | | | | 2 | DS Schwartzman | 6 | 6 |
| | J Mertl | 6$^6$ | 6$^5$ | | 7 | A Martin | 6 | 6 | | | | | | | | | | |
| | F Dancevic | 3 | 6 | 6 | | F Dancevic | 4 | 2 | | | | | | | | | | |
| | J Aguilar | 6 | 3 | 2 | | | | | | 7 | A Martin | 3 | 3 | | | | | |
| WC | D Schulz | 6 | 7$^7$ | | | | | | | 2 | DS Schwartzman | 6 | 6 | | | | | |
| | S Ehrat | 4 | 6$^4$ | | WC | D Schulz | 2 | 1 | | | | | | | | | | |
| Q | Y Hanfmann | 6 | 6$^6$ | 4 | 2 | DS Schwartzman | 6 | 6 | | | | | | | | | | |
| 2 | DS Schwartzman | 2 | 7$^8$ | 6 | | | | | | | | | | | | | | |