# 2017 Città di Como Challenger – Singles

Kenny de Schepper was the defending champion but lost in the quarterfinals to Pedro Sousa.
Sousa won the title after defeating Marco Cecchinato 1–6, 6–2, 6–4 in the final.

## Seeds

* Marco Cecchinato (final)
* Jerzy Janowicz (second round)
* Filip Krajinović (semifinals)
* Pedro Sousa (champion)
* Roberto Carballés Baena (withdrew)
* Guillermo García López (second round)
* Oscar Otte (quarterfinals)
* Kenny de Schepper (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 | Final |
| 1 | Marco Cecchinato | 5 | 6 | 6 | | | | | |
| 3 | Filip Krajinović | 7 | 2 | 3 | | | | | |
| 3 | Filip Krajinović | 7 | 2 | 3 | 1 | Marco Cecchinato | 6 | 2 | 4 |
| | | | | | 4 | Pedro Sousa | 1 | 6 | 6 |
| 4 | Pedro Sousa | 4 | 6 | 6 | 4 | Pedro Sousa | 1 | 6 | 6 |
| Q | Corentin Moutet | 6 | 4 | 4 | | | | | |

### 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 | Semifinals |
| 1 | M Cecchinato | 6 | 6 | | | | | | | | | | | | | | | | |
| | G Oliveira | 1 | 2 | | 1 | M Cecchinato | 6 | 6 | | | | | | | | | | | |
| WC | Riccardo Balzerani | 7 | 6 | | WC | R Balzerani | 2 | 0 | | | | | | | | | | | |
| WC | Alessandro Coppini | 5 | 3 | | | | | | | 1 | M Cecchinato | 6 | 6 | | | | | | |
| | Jeremy Jahn | 6 | 6 | | | | | | | 7 | O Otte | 3 | 2 | | | | | | |
| | S Diez | 1 | 2 | | | J Jahn | 4 | 6 | 3 | | | | | | | | | | |
| WC | J Ocleppo | 6$^1$ | 0 | | 7 | O Otte | 6 | 2 | 6 | | | | | | | | | | |
| 7 | O Otte | 7$^7$ | 6 | | | | | | | | | | | | 1 | M Cecchinato | 5 | 6 | 6 |
| 3 | F Krajinović | 6 | 6 | | | | | | | | | | | | 3 | F Krajinović | 7 | 2 | 3 |
| | D Popko | 1 | 1 | | 3 | F Krajinović | 6 | 2 | | | | | | | | | | | |
| Q | C Lestienne | 4 | 2 | | | M Bourgue | 2 | 0$^r$ | | | | | | | | | | | |
| | M Bourgue | 6 | 6 | | | | | | | 3 | F Krajinović | 6$^6$ | 6 | 6 | | | | | |
| | S Napolitano | 7$^7$ | 3 | 3 | | | | | | | G Elias | 7$^8$ | 2 | 3 | | | | | |
| | G Elias | 6$^3$ | 6 | 6 | | G Elias | 7 | 6 | | | | | | | | | | | |
| | F Auger-Aliassime | 6 | 6 | | | F Auger-Aliassime | 5 | 4 | | | | | | | | | | | |
| Q | Gianluca Di Nicola | 1 | 4 | | | | | | | | | | | | | | | | |

### 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 |
| 8 | K de Schepper | 7$^7$ | 6 | | | | | | | | | | | | | | | | |
| LL | F Gaio | 6$^2$ | 2 | | 8 | K de Schepper | 6 | 6 | | | | | | | | | | | |
| | D Masur | 2 | 2 | | | T Robredo | 3 | 3 | | | | | | | | | | | |
| | T Robredo | 6 | 6 | | | | | | | 8 | K de Schepper | 3 | 4 | | | | | | |
| | A Arnaboldi | 6 | 6 | | | | | | | 4 | P Sousa | 6 | 6 | | | | | | |
| | S Caruso | 2 | 4 | | | A Arnaboldi | 6 | 3 | 2 | | | | | | | | | | |
| SE | E Ymer | 4 | 0 | | 4 | P Sousa | 3 | 6 | 6 | | | | | | | | | | |
| 4 | P Sousa | 6 | 6 | | | | | | | | | | | | 4 | P Sousa | 4 | 6 | 6 |
| 6 | G García López | 7$^7$ | 3 | | | | | | | | | | | | Q | C Moutet | 6 | 4 | 4 |
| | J Munar | 6$^5$ | 0$^r$ | | 6 | G García López | 4 | 3 | | | | | | | | | | | |
| Q | C Moutet | 6 | 6 | | Q | C Moutet | 6 | 6 | | | | | | | | | | | |
| | T Gabashvili | 2 | 4 | | | | | | | Q | C Moutet | 3 | 7 | 6 | | | | | |
| WC | M Donati | 5 | 6 | 6 | | | | | | WC | M Donati | 6 | 5 | 3 | | | | | |
| Q | Lenny Hampel | 7 | 2 | 3 | WC | M Donati | 7$^7$ | 7$^7$ | | | | | | | | | | | |
| LL | K Majchrzak | 3 | 4 | | 2 | J Janowicz | 6$^5$ | 6$^1$ | | | | | | | | | | | |
| 2 | J Janowicz | 6 | 6 | | | | | | | | | | | | | | | | |