# 2019 Open Città della Disfida – Singles

Marco Trungelliti was the defending champion but chose not to defend his title.
Gianluca Mager won the title after Nikola Milojević retired at 7–6$^{(9–7)}$, 5–7, 3–2 in the final.

## Seeds

All seeds receive a bye into the second round.
* Gianluigi Quinzi (third round)
* Oscar Otte (third round)
* Stefano Travaglia (third round)
* Filippo Baldi (third round)
* Alessandro Giannessi (withdrew)
* Lorenzo Giustino (third round)
* Andrea Arnaboldi (third round, retired)
* Gianluca Mager (champion)
* Nikola Milojević (final, retired)
* Thanasi Kokkinakis (third round, withdrew)
* Jurij Rodionov (second round)
* Filip Horanský (quarterfinals)
* Stefano Napolitano (quarterfinals)
* Viktor Galović (semifinals)
* Mats Moraing (second round)
* Mohamed Safwat (semifinals)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 16 | Mohamed Safwat | 6 | 6 | | | | | | | | | |
| WC | Jacopo Berrettini | 1 | 3 | | | | | | | | | |
| WC | Jacopo Berrettini | 1 | 3 | 16 | Mohamed Safwat | 2 | 5 | | | | | |
| | | | | 9 | Nikola Milojević | 6 | 7 | | | | | |
| | Federico Coria | 6$^4$ | 1 | 9 | Nikola Milojević | 6 | 7 | | | | | |
| 9 | Nikola Milojević | 7$^7$ | 6 | | | | | | | | | |
| 9 | Nikola Milojević | 7$^7$ | 6 | | | | | 9 | Nikola Milojević | 6$^7$ | 7 | 2$^r$ |
| | | | | | | | | 8 | Gianluca Mager | 7$^9$ | 5 | 3 |
| 12 | Filip Horanský | 4 | 6$^3$ | | | | | | | | | | 8 | Gianluca Mager | 7$^9$ | 5 | 3 |
| 14 | Viktor Galović | 6 | 7$^7$ | | | | | | | | | |
| 14 | Viktor Galović | 6 | 7$^7$ | 14 | Viktor Galović | 3 | 4 | | | | | |
| | | | | 8 | Gianluca Mager | 6 | 6 | | | | | |
| 8 | Gianluca Mager | 7$^7$ | 6 | 8 | Gianluca Mager | 6 | 6 | | | | | |
| 13 | Stefano Napolitano | 6$^4$ | 3 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | G Quinzi | 6 | 4 | 7 | | | | | | | | | |
| ITF | S Mansouri | 4 | 6 | 6$^2$ | ITF | D Yevseyev | 2 | 6 | 5 | | | | | | | | | |
| ITF | D Yevseyev | 6 | 3 | 7$^7$ | | | | | | 1 | G Quinzi | 4 | 3 | | | | | |
| | N Serdarušić | 6 | 7$^7$ | | | | | | | 16 | M Safwat | 6 | 6 | | | | | |
| | N Gombos | 1 | 6$^4$ | | | N Serdarušić | 5 | 2 | | | | | | | | | | |
| | | | | | 16 | M Safwat | 7 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 16 | M Safwat | 6 | 6 |
| | | | | | | | | | | | | | | | WC | J Berrettini | 1 | 3 |
| | | | | | 11 | J Rodionov | 3 | 4 | | | | | | | | | | |
| | R Marcora | 4 | 6 | 2$^r$ | WC | J Berrettini | 6 | 6 | | | | | | | | | | |
| WC | J Berrettini | 6 | 1 | 4 | | | | | | WC | J Berrettini | 4 | 7$^7$ | 6 | | | | |
| Q | J Härteis | 4 | 4 | | | | | | | 6 | L Giustino | 6 | 6$^2$ | 4 | | | | |
| | A Pellegrino | 6 | 6 | | | A Pellegrino | 1$^r$ | | | | | | | | | | | |
| | | | | | 6 | L Giustino | 5 | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | S Travaglia | 7$^9$ | 6 | | | | | | | | | | |
| | A Collarini | 6 | 6 | | | A Collarini | 6$^7$ | 3 | | | | | | | | | | |
| | E Couacaud | 4 | 2 | | | | | | | 3 | S Travaglia | 6 | 4 | 3 | | | | |
| | F Coria | 6$^6$ | 6 | 6 | | | | | | | F Coria | 3 | 6 | 6 | | | | |
| | T de Bakker | 7$^8$ | 3 | 1 | | F Coria | 7 | 6 | | | | | | | | | | |
| | | | | | 15 | M Moraing | 5 | 3 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | F Coria | 6$^4$ | 1 |
| | | | | | | | | | | | | | | | 9 | N Milojević | 7$^7$ | 6 |
| | | | | | 9 | N Milojević | 5 | 6 | 7 | | | | | | | | | |
| ITF | K-M Maamoun | 4 | 7$^7$ | 6 | ITF | K-M Maamoun | 7 | 1 | 5 | | | | | | | | | |
| | V Šafránek | 6 | 6$^4$ | 3 | | | | | | 9 | N Milojević | 7$^7$ | 1 | | | | | |
| | GM Moroni | 6 | 4 | 1 | | | | | | 7 | A Arnaboldi | 6$^3$ | 0$^r$ | | | | | |
| | J Sinner | 0 | 6 | 6 | | J Sinner | 5 | 3 | | | | | | | | | | |
| | | | | | 7 | A Arnaboldi | 7 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | LL | M Arnaldi | 2 | 0 | | | | | | | | | | |
| WC | L Musetti | 6 | 6 | | WC | L Musetti | 6 | 6 | | | | | | | | | | |
| | G Elias | 3 | 4 | | | | | | | WC | L Musetti | 6 | 1 | 2 | | | | |
| | T Brkić | 1 | 2 | | | | | | | 12 | F Horanský | 1 | 6 | 6 | | | | |
| | D Masur | 6 | 6 | | | D Masur | 7$^7$ | 4 | 3 | | | | | | | | | |
| | | | | | 12 | F Horanský | 6$^4$ | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 12 | F Horanský | 4 | 6$^3$ |
| | | | | | | | | | | | | | | | 14 | V Galović | 6 | 7$^7$ |
| | | | | | 14 | V Galović | 6 | 7 | | | | | | | | | | |
| WC | J Ocleppo | 6 | 6 | | WC | J Ocleppo | 3 | 5 | | | | | | | | | | |
| | A Šetkić | 1 | 3 | | | | | | | 14 | V Galović | 6 | 6 | | | | | |
| Q | S Nagal | 1 | 6 | 6 | | | | | | 4 | F Baldi | 4 | 2 | | | | | |
| ITF | Peter Heller | 6 | 1 | 0 | Q | S Nagal | 3 | 4 | | | | | | | | | | |
| | | | | | 4 | F Baldi | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | G Mager | 6 | 6 | | | | | | | | | |
| | P Kotov | 4 | 6 | 7$^7$ | | P Kotov | 2 | 4 | | | | | | | | | |
| | S Darcis | 6 | 2 | 6$^3$ | | | | | | 8 | G Mager | w/o | | | | | |
| WC | Giuseppe Tresca | 0 | 1 | | | | | | | 10 | T Kokkinakis | | | | | | |
| WC | G Zeppieri | 6 | 6 | | WC | G Zeppieri | 4 | 6 | 4 | | | | | | | | |
| | | | | | 10 | T Kokkinakis | 6 | 4 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | 8 | G Mager | 7$^7$ | 6 |
| | | | | | | | | | | | | | | 13 | S Napolitano | 6$^4$ | 3 |
| | | | | | 13 | S Napolitano | w/o | | | | | | | | | | |
| | L Grigelis | 1 | 6 | 7 | | L Grigelis | | | | | | | | | | | |
| | Z Kolář | 6 | 3 | 5 | | | | | | 13 | S Napolitano | 6 | 6 | | | | |
| LL | M Bortolotti | 3 | 7 | 2 | | | | | | 2 | O Otte | 3 | 1 | | | | |
| ITF | J Barranco Cosano | 6 | 5 | 6 | ITF | J Barranco Cosano | 6 | 3 | 4 | | | | | | | | |
| | | | | | 2 | O Otte | 4 | 6 | 6 | | | | | | | | |