# 2017 Internazionali di Tennis dell'Umbria – Singles

Miljan Zekić was the defending champion but lost in the first round to Arthur De Greef.
Federico Delbonis won the title after defeating Marco Cecchinato 7–5, 6–1 in the final.

## Seeds

* Dušan Lajović (semifinals)
* Marco Cecchinato (final)
* Radu Albot (first round)
* Facundo Bagnis (quarterfinals)
* Federico Delbonis (champion)
* Gastão Elias (quarterfinals)
* Arthur De Greef (quarterfinals)
* Alessandro Giannessi (first round, retired)

## 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 | Dušan Lajović | 3 | 4 | | | | |
| 5 | Federico Delbonis | 6 | 6 | | | | |
| 5 | Federico Delbonis | 6 | 6 | 5 | Federico Delbonis | 7 | 6 |
| | | | | 2 | Marco Cecchinato | 5 | 1 |
| WC | Liam Caruana | 2 | 2 | 2 | Marco Cecchinato | 5 | 1 |
| 2 | Marco Cecchinato | 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 | D Lajović | 6 | 6 | | | | | | | | | | | | | | | |
| | R Ojeda Lara | 1 | 1 | | 1 | D Lajović | 6 | 6 | | | | | | | | | | |
| Q | A Smirnov | 6 | 2 | 4 | | J Munar | 3 | 3 | | | | | | | | | | |
| | J Munar | 4 | 6 | 6 | | | | | | 1 | D Lajović | 6 | 6 | | | | | |
| | M Donati | 5 | 6 | 6 | | | | | | 6 | G Elias | 3 | 4 | | | | | |
| | F Gaio | 7 | 1 | 1 | | M Donati | 6$^4$ | 2 | | | | | | | | | | |
| | G Clezar | 6 | 3 | 4 | 6 | G Elias | 7$^7$ | 6 | | | | | | | | | | |
| 6 | G Elias | 3 | 6 | 6 | | | | | | | | | | | 1 | D Lajović | 3 | 4 |
| 4 | F Bagnis | 6 | 0 | 7 | | | | | | | | | | | 5 | F Delbonis | 6 | 6 |
| | Jeremy Jahn | 4 | 6 | 5 | 4 | F Bagnis | 6 | 2 | 6 | | | | | | | | | |
| WC | S Bolelli | 7$^7$ | 6 | | WC | S Bolelli | 3 | 6 | 2 | | | | | | | | | |
| Q | C Taberner | 6$^5$ | 2 | | | | | | | 4 | F Bagnis | 6 | 5 | 1 | | | | |
| | Y Reuter | 4 | 4 | | | | | | | 5 | F Delbonis | 1 | 7 | 6 | | | | |
| | S Travaglia | 6 | 6 | | | S Travaglia | 4 | 7 | 5 | | | | | | | | | |
| | E López-Pérez | 1 | 3 | | 5 | F Delbonis | 6 | 5 | 7 | | | | | | | | | |
| 5 | F Delbonis | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Giannessi | 6 | 0$^r$ | | | | | | | | | | | | | |
| | L Grigelis | 3 | 1 | | | L Grigelis | 5 | 3 | | | | | | | | |
| | A Arnaboldi | 4 | 3$^r$ | | WC | L Caruana | 7 | 6 | | | | | | | | |
| WC | L Caruana | 6 | 4 | | | | | | WC | L Caruana | 6 | 7 | | | | |
| Q | A Haider-Maurer | 4 | 6 | 2 | | | | | | G Sakharov | 4 | 5 | | | | |
| WC | L Sonego | 6 | 3 | 0$^r$ | Q | A Haider-Maurer | 2 | 4 | | | | | | | | |
| | G Sakharov | 7$^7$ | 7$^7$ | | | G Sakharov | 6 | 6 | | | | | | | | |
| 3 | R Albot | 6$^4$ | 6$^2$ | | | | | | | | | | WC | L Caruana | 2 | 2 |
| 7 | A De Greef | 6 | 6 | | | | | | | | | | 2 | M Cecchinato | 6 | 6 |
| Alt | M Zekić | 2 | 4 | | 7 | A De Greef | 6 | 6 | | | | | | | | |
| | C Garin | 6$^5$ | 2 | | | J Kovalík | 2 | 3 | | | | | | | | |
| | J Kovalík | 7$^7$ | 6 | | | | | | 7 | A De Greef | 5 | 3 | | | | |
| WC | G Mager | 4 | 6$^2$ | | | | | | 2 | M Cecchinato | 7 | 6 | | | | |
| | S Caruso | 6 | 7$^7$ | | | S Caruso | 3 | 3 | | | | | | | | |
| Q | DE Galán | 3 | 4 | | 2 | M Cecchinato | 6 | 6 | | | | | | | | |
| 2 | M Cecchinato | 6 | 6 | | | | | | | | | | | | | |