# 2017 Marburg Open – Singles

Jan Šátral was the defending champion but lost in the first round to Benjamin Bonzi.
Filip Krajinović won the title after defeating Cedrik-Marcel Stebe 6–2, 6–3 in the final.

## Seeds

* Casper Ruud (second round)
* Guido Pella (first round)
* Arthur De Greef (semifinals)
* Uladzimir Ignatik (second round)
* Jan Šátral (first round)
* Guillermo García López (semifinals)
* Andrej Martin (second round)
* Federico Gaio (first 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 |
| | Cedrik-Marcel Stebe | 6 | 6 | | | |
| 3 | Arthur De Greef | 4 | 4 | | | |
| 3 | Arthur De Greef | 4 | 4 | Cedrik-Marcel Stebe | 2 | 3 |
| | | | | Filip Krajinović | 6 | 6 |
| 6 | Guillermo García López | 5 | 4 | Filip Krajinović | 6 | 6 |
| | Filip Krajinović | 7 | 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 | C Ruud | 6 | 6$^4$ | 6 | | | | | | | | | | | | | |
| Q | T Pütz | 2 | 7$^7$ | 2 | 1 | C Ruud | 4 | 6$^1$ | | | | | | | | | |
| | A Balázs | 5 | 1 | | | Y Hanfmann | 6 | 7$^7$ | | | | | | | | | |
| | Y Hanfmann | 7 | 6 | | | | | | | | Y Hanfmann | 4 | 3 | | | | |
| | C-M Stebe | 6 | 7$^8$ | | | | | | | | C-M Stebe | 6 | 6 | | | | |
| WC | J Lenz | 3 | 6$^6$ | | | C-M Stebe | 7$^{12}$ | 7$^7$ | | | | | | | | | |
| | C Hemery | 4 | 6 | 6 | | C Hemery | 6$^{10}$ | 6$^5$ | | | | | | | | | |
| 8 | F Gaio | 6 | 3 | 1 | | | | | | | | | | | C-M Stebe | 6 | 6 |
| 3 | A De Greef | 7 | 6 | | | | | | | | | | | 3 | A De Greef | 4 | 4 |
| WC | B Hassan | 5 | 3 | | 3 | A De Greef | 7 | 7 | | | | | | | | | |
| | R Ramírez Hidalgo | 2 | 6 | 1 | | M González | 5 | 5 | | | | | | | | | |
| | M González | 6 | 3 | 6 | | | | | | 3 | A De Greef | 6 | 7 | | | | |
| | F Coria | 6 | 5 | 1 | | | | | | | B Bonzi | 2 | 5 | | | | |
| | V Šafránek | 4 | 7 | 6 | | V Šafránek | 3 | 6 | 4 | | | | | | | | |
| | B Bonzi | 6 | 6 | | | B Bonzi | 6 | 4 | 6 | | | | | | | | |
| 5 | J Šátral | 4 | 1 | | | | | | | | | | | | | | |

### 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 |
| 6 | G García López | 4 | 7 | 7$^9$ | | | | | | | | | | | | | | |
| Q | D Pichler | 6 | 5 | 6$^7$ | 6 | G García López | 7 | 1 | 6 | | | | | | | | | |
| | Y Reuter | 6 | 1 | 4 | | R Bellotti | 5 | 6 | 2 | | | | | | | | | |
| | R Bellotti | 2 | 6 | 6 | | | | | | 6 | G García López | 6 | 4 | 6 | | | | |
| Q | JP Sorgi | 6$^4$ | 6 | 7$^7$ | | | | | | Q | JP Sorgi | 4 | 6 | 3 | | | | |
| | L Giustino | 7$^7$ | 3 | 6$^2$ | Q | JP Sorgi | 7$^7$ | 6 | | | | | | | | | | |
| | T Robredo | 6$^6$ | 5 | | 4 | U Ignatik | 6$^1$ | 2 | | | | | | | | | | |
| 4 | U Ignatik | 7$^8$ | 7 | | | | | | | | | | | | 6 | G García López | 5 | 4 |
| 7 | A Martin | 6 | 6 | | | | | | | | | | | | | F Krajinović | 7 | 6 |
| WC | Kai Wehnelt | 3 | 3 | | 7 | A Martin | 2 | 4 | | | | | | | | | | |
| WC | Jaime Fermosell Delgado | 3 | 1 | | | F Krajinović | 6 | 6 | | | | | | | | | | |
| | F Krajinović | 6 | 6 | | | | | | | | F Krajinović | 7 | 6 | | | | | |
| Q | M Bachinger | 6 | 6 | | | | | | | Q | M Bachinger | 5 | 1 | | | | | |
| | E López-Pérez | 3 | 3 | | Q | M Bachinger | 2 | 6 | 6 | | | | | | | | | |
| | O Otte | 6 | 6 | | | O Otte | 6 | 3 | 3 | | | | | | | | | |
| 2 | G Pella | 4 | 3 | | | | | | | | | | | | | | | |