# 2016 Cittadino Challenger – Singles

Andreas Haider-Maurer was the defending champion but chose not to defend his title.
Florian Mayer won the title after defeating Maximilian Marterer 7–6$^{(7–4)}$, 6–2 in the final.

## Seeds

* Florian Mayer (champion)
* Roberto Carballés Baena (quarterfinals)
* Igor Sijsling (first round, retired)
* Steven Diez (second round)
* Jerzy Janowicz (quarterfinals)
* Jordi Samper-Montaña (second round)
* André Ghem (first round)
* Uladzimir Ignatik (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 | Final |
| 1 | Florian Mayer | 6 | 6 | | | | |
| | Daniel Masur | 2 | 2 | | | | |
| | Daniel Masur | 2 | 2 | 1 | Florian Mayer | 7$^7$ | 6 |
| | | | | | Maximilian Marterer | 6$^4$ | 2 |
| | Clément Geens | 0 | 4 | | Maximilian Marterer | 6$^4$ | 2 |
| | Maximilian Marterer | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Mayer | 6 | 6 | | | | | | | | | | | | | | | |
| WC | Aliaksandr Prudnikau | 0 | 3 | | 1 | F Mayer | 6 | 6 | | | | | | | | | | |
| | JP Paz | 4 | 6 | 2 | WC | N Kuhn | 2 | 3 | | | | | | | | | | |
| WC | N Kuhn | 6 | 2 | 6 | | | | | | 1 | F Mayer | 6 | 7 | | | | | |
| Q | Nico Matic | 0 | 0 | | | | | | | | M Sieber | 4 | 5 | | | | | |
| | Marc Sieber | 6 | 6 | | | M Sieber | 4 | 6 | 7$^7$ | | | | | | | | | |
| Q | D Cox | 1 | 4 | | 6 | J Samper-Montaña | 6 | 1 | 6$^2$ | | | | | | | | | |
| 6 | J Samper-Montaña | 6 | 6 | | | | | | | | | | | | 1 | F Mayer | 6 | 6 |
| 3 | I Sijsling | 0$^r$ | | | | | | | | | | | | | | D Masur | 2 | 2 |
| Q | A Vasilevski | 0 | | | Q | A Vasilevski | 2 | 1 | | | | | | | | | | |
| | D Masur | 6 | 6 | | | D Masur | 6 | 6 | | | | | | | | | | |
| WC | O Otte | 3 | 0 | | | | | | | | D Masur | 7$^7$ | 3 | 7 | | | | |
| | A Metreveli | 6 | 2 | 7$^7$ | | | | | | | A Metreveli | 6$^4$ | 6 | 5 | | | | |
| | N Gombos | 1 | 6 | 6$^4$ | | A Metreveli | 2 | 6 | 6 | | | | | | | | | |
| | A Santillan | 4 | 7$^7$ | 6 | | A Santillan | 6 | 4 | 0 | | | | | | | | | |
| 8 | U Ignatik | 6 | 6$^4$ | 3 | | | | | | | | | | | | | | |

### 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 |
| 5 | J Janowicz | 6 | 6 | | | | | | | | | | | | | | |
| | F Horanský | 1 | 2 | | 5 | J Janowicz | 6 | 3 | 6 | | | | | | | | |
| | N Langer | 4 | 7 | 3 | | G Gigounon | 1 | 6 | 3 | | | | | | | | |
| | G Gigounon | 6 | 5 | 6 | | | | | | 5 | J Janowicz | 3 | 7$^7$ | 3 | | | |
| | Y Jankovits | 4 | 2 | | | | | | | | C Geens | 6 | 6$^5$ | 6 | | | |
| | Clément Geens | 6 | 6 | | | C Geens | 7$^7$ | 6 | | | | | | | | | |
| WC | Marvin Greven | 1 | 2 | | 4 | S Diez | 6$^4$ | 4 | | | | | | | | | |
| 4 | S Diez | 6 | 6 | | | | | | | | | | | | C Geens | 0 | 4 |
| 7 | A Ghem | 6 | 3 | 2 | | | | | | | | | | | M Marterer | 6 | 6 |
| | M Marterer | 3 | 6 | 6 | | M Marterer | 6 | 6 | | | | | | | | | |
| | A Vatutin | 6 | 6$^5$ | 3 | | Y Mertens | 2 | 4 | | | | | | | | | |
| | Y Mertens | 1 | 7$^7$ | 6 | | | | | | | M Marterer | 3 | 6 | 6 | | | |
| | Jeremy Jahn | 5 | 6 | 6 | | | | | | 2 | R Carballés Baena | 6 | 3 | 1 | | | |
| | R Ortega Olmedo | 7 | 3 | 3 | | J Jahn | 7$^7$ | 3$^r$ | | | | | | | | | |
| Q | M Elgin | 0 | 3 | | 2 | R Carballés Baena | 6$^3$ | 3 | | | | | | | | | |
| 2 | R Carballés Baena | 6 | 6 | | | | | | | | | | | | | | |