# 2013 Tennis Napoli Cup – Singles

Andrey Kuznetsov was the defending champion but chose to compete at the 2013 Portugal Open. Potito Starace was leading Alessandro Giannessi 6–2, 2–0 in the final before Giannessi retired.

## Seeds

* Blaž Kavčič (second round)
* Adrian Mannarino (quarterfinals)
* Marc Gicquel (second round)
* Filippo Volandri (semifinals)
* Jonathan Dasnières de Veigy (quarterfinals)
* Julian Reister (first round)
* Dušan Lajović (quarterfinals)
* Bastian Knittel (second 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 | Semifinals | Final | Final | Final |
| | Alessandro Giannessi | 7$^7$ | 5 | 7$^7$ | | | |
| 4 | Filippo Volandri | 6$^2$ | 7 | 6$^4$ | | | |
| 4 | Filippo Volandri | 6$^2$ | 7 | 6$^4$ | Alessandro Giannessi | 2 | 0$^r$ |
| | | | | | Potito Starace | 6 | 2 |
| | Potito Starace | 6 | 6 | | Potito Starace | 6 | 2 |
| | David Guez | 1 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1/WC | B Kavčič | 6 | 6 | | | | | | | | | | | | | | | |
| WC | G Quinzi | 3 | 2 | | 1/WC | B Kavčič | 4 | 4 | | | | | | | | | | |
| Q | W Koolhof | 7$^7$ | 0 | 2 | | A Giannessi | 6 | 6 | | | | | | | | | | |
| | A Giannessi | 6$^4$ | 6 | 6 | | | | | | | A Giannessi | 7$^7$ | 6 | | | | | |
| | M Middelkoop | 6 | 4 | 4 | | | | | | 5 | J Dasnières de Veigy | 6$^3$ | 2 | | | | | |
| WC | R Bellotti | 1 | 6 | 6 | WC | R Bellotti | 6 | 4 | 6$^1$ | | | | | | | | | |
| LL | N Čačić | 3 | 4 | | 5 | J Dasnières de Veigy | 3 | 6 | 7$^7$ | | | | | | | | | |
| 5 | J Dasnières de Veigy | 6 | 6 | | | | | | | | | | | | A Giannessi | 7$^7$ | 5 | 7$^7$ |
| 4 | F Volandri | 4 | 6 | 7 | | | | | | | | | | 4 | F Volandri | 6$^2$ | 7 | 6$^4$ |
| | J Samper-Montaña | 6 | 4 | 5 | 4 | F Volandri | 6 | 7 | | | | | | | | | | |
| Q | M Cecchinato | 7 | 3 | 2 | | G Naso | 1 | 5 | | | | | | | | | | |
| | G Naso | 5 | 6 | 6 | | | | | | 4 | F Volandri | 6 | 6 | | | | | |
| | Y Mertens | 3 | 2 | | | | | | | 7 | D Lajović | 4 | 3 | | | | | |
| | S Vagnozzi | 6 | 6 | | | S Vagnozzi | 1 | 3 | | | | | | | | | | |
| Q | A Vinciguerra | 4 | 3 | | 7 | D Lajović | 6 | 6 | | | | | | | | | | |
| 7 | D Lajović | 6 | 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 | Semifinals | Semifinals | Semifinals |
| 6 | J Reister | 4 | 6$^3$ | | | | | | | | | | | | | |
| | A Golubev | 6 | 7$^7$ | | | A Golubev | 7$^7$ | 2 | | | | | | | | |
| Alt | Leandro Migani | 0 | 1 | | WC | E Eremin | 6$^3$ | 0$^r$ | | | | | | | | |
| WC | Edoardo Eremin | 6 | 6 | | | | | | | | A Golubev | 0 | 4 | | | |
| | P Starace | 6 | 3 | 6 | | | | | | | P Starace | 6 | 6 | | | |
| | P-H Herbert | 4 | 6 | 3 | | P Starace | 6 | 6 | | | | | | | | |
| Q | Omar Giacalone | 6$^2$ | 6 | 6$^3$ | 3 | M Gicquel | 1 | 2 | | | | | | | | |
| 3 | M Gicquel | 7$^7$ | 2 | 7$^7$ | | | | | | | | | | P Starace | 6 | 6 |
| 8 | B Knittel | 6 | 6 | | | | | | | | | | | D Guez | 1 | 4 |
| LL | W Trusendi | 3 | 3 | | 8 | B Knittel | 4 | 5 | | | | | | | | |
| | D Guez | 4 | 6 | 6 | | D Guez | 6 | 7 | | | | | | | | |
| | Marc Giner | 6 | 3 | 2 | | | | | | | D Guez | 7$^7$ | 6 | | | |
| | M Teixeira | 2 | 6 | 1 | | | | | | 2 | A Mannarino | 6$^1$ | 1 | | | |
| | A De Greef | 6 | 3 | 6 | | A De Greef | 6 | 5 | 2 | | | | | | | |
| | T Fabbiano | 4 | 6 | 4 | 2 | A Mannarino | 2 | 7 | 6 | | | | | | | |
| 2 | A Mannarino | 6 | 2 | 6 | | | | | | | | | | | | |