# 2016 Sibiu Open – Singles

Adrian Ungur was the defending champion but lost in the quarterfinals to Tim Pütz.
Robin Haase won the title after defeating Lorenzo Giustino 7–6$^{(7–2)}$, 6–2 in the final.

## Seeds

* Robin Haase (champion)
* Gerald Melzer (first round)
* Márton Fucsovics (first round, retired)
* Federico Gaio (second round)
* Jan Šátral (quarterfinals)
* Peđa Krstin (first round)
* Miljan Zekić (first round)
* Adrian Ungur (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Robin Haase | 3 | 6 | 7$^7$ | | | | |
| PR | Tim Pütz | 6 | 1 | 6$^2$ | | | | |
| PR | Tim Pütz | 6 | 1 | 6$^2$ | 1 | Robin Haase | 7$^7$ | 6 |
| | | | | | | Lorenzo Giustino | 6$^2$ | 2 |
| | Lorenzo Giustino | 6$^0$ | 6 | 7 | | Lorenzo Giustino | 6$^2$ | 2 |
| Q | Christopher O'Connell | 7$^7$ | 4 | 5 | | | | |

### 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 | Semifinals |
| 1 | R Haase | 6 | 6 | | | | | | | | | | | | | | | |
| | A Michon | 2 | 4 | | 1 | R Haase | 6 | 2 | 6 | | | | | | | | | |
| WC | V-M Anagnastopol | 5 | 2 | | | N Mektić | 4 | 6 | 0 | | | | | | | | | |
| | N Mektić | 7 | 6 | | | | | | | 1 | R Haase | 7 | 6 | | | | | |
| | Y Maden | 2 | 6 | 6 | | | | | | | D Novak | 5 | 2 | | | | | |
| | R Bellotti | 6 | 2 | 2 | | Y Maden | 6 | 4 | 3 | | | | | | | | | |
| | D Novak | 6 | 6 | | | D Novak | 2 | 6 | 6 | | | | | | | | | |
| 6 | P Krstin | 3 | 3 | | | | | | | | | | | 1 | R Haase | 3 | 6 | 7$^7$ |
| 4 | F Gaio | 6 | 6 | | | | | | | | | | | PR | T Pütz | 6 | 1 | 6$^2$ |
| | D Kuzmanov | 4 | 2 | | 4 | F Gaio | 6$^5$ | 6 | 1 | | | | | | | | | |
| PR | T Pütz | 6 | 6 | | PR | T Pütz | 7$^7$ | 2 | 6 | | | | | | | | | |
| | G Mager | 4 | 2 | | | | | | | PR | T Pütz | 7$^7$ | 7 | | | | | |
| WC | B Borza | 6 | 1 | 6 | | | | | | 8 | A Ungur | 6$^4$ | 5 | | | | | |
| Q | A Mies | 2 | 6 | 3 | WC | B Borza | 1 | 3 | | | | | | | | | | |
| | J Eysseric | 6$^3$ | 3 | | 8 | A Ungur | 6 | 6 | | | | | | | | | | |
| 8 | A Ungur | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J Šátral | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | Lenny Hampel | 2 | 3 | | 5 | J Šátral | 6 | 5 | 6 | | | | | | | | | | |
| WC | VV Cornea | 1 | 1 | | Q | J Lütjen | 1 | 7 | 2 | | | | | | | | | | |
| Q | Jonas Lütjen | 6 | 6 | | | | | | | 5 | J Šátral | 4 | 6 | 3 | | | | | |
| | D Dima | 6 | 6$^6$ | 1 | | | | | | | L Giustino | 6 | 3 | 6 | | | | | |
| | L Giustino | 4 | 7$^8$ | 6 | | L Giustino | 6 | 1 | | | | | | | | | | | |
| | K Majchrzak | 7 | 4 | | | K Majchrzak | 3 | 0$^r$ | | | | | | | | | | | |
| 3 | M Fucsovics | 5 | 1$^r$ | | | | | | | | | | | | | L Giustino | 6$^0$ | 6 | 7 |
| 7 | M Zekić | 4 | 6 | 5 | | | | | | | | | | | Q | C O'Connell | 7$^7$ | 4 | 5 |
| WC | Michał Dembek | 6 | 3 | 7 | WC | M Dembek | 6 | 3 | 2 | | | | | | | | | | |
| Alt | D Petrović | 2 | 6$^4$ | | | V Šafránek | 3 | 6 | 6 | | | | | | | | | | |
| | V Šafránek | 6 | 7$^7$ | | | | | | | | V Šafránek | 7$^7$ | 1 | 1 | | | | | |
| | Z Kolář | 4 | 6 | 3 | | | | | | Q | C O'Connell | 6$^5$ | 6 | 6 | | | | | |
| | T Lamasine | 6 | 1 | 6 | | T Lamasine | 1 | 2 | | | | | | | | | | | |
| Q | C O'Connell | 6 | 6 | | Q | C O'Connell | 6 | 6 | | | | | | | | | | | |
| 2 | G Melzer | 4 | 4 | | | | | | | | | | | | | | | | |