# 2010 AON Open Challenger – Singles

Alberto Martín was the defending champion but decided not to participate this year. Fabio Fognini won the Italian final, where he defeated Potito Starace 6–4, 6–1.

## Seeds

* Potito Starace (final)
* Andreas Seppi (semifinals)
* Fabio Fognini (champion)
* Teymuraz Gabashvili (second round)
* Filippo Volandri (quarterfinals)
* Pablo Andújar (quarterfinals)
* Nicolás Massú (first round)
* Simone Bolelli (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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Potito Starace | 6 | 6 | | | | | |
| 8 | Simone Bolelli | 4 | 4 | | | | | |
| 8 | Simone Bolelli | 4 | 4 | | 1 | Potito Starace | 4 | 1 |
| | | | | | 3 | Fabio Fognini | 6 | 6 |
| 3 | Fabio Fognini | 6 | 4 | 6 | 3 | Fabio Fognini | 6 | 6 |
| 2 | Andreas Seppi | 2 | 6 | 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 |
| 1 | P Starace | 6 | 6$^4$ | 6 | | | | | | | | | | | | | | |
| | A Begemann | 4 | 7 | 3 | 1 | P Starace | 6 | 6 | | | | | | | | | | |
| WC | M Cecchinato | 2 | 2 | | | J Hernych | 1 | 3 | | | | | | | | | | |
| | J Hernych | 6 | 6 | | | | | | | 1 | P Starace | 6$^6$ | 6 | 6 | | | | |
| | G Kretschmer | 6 | 6 | | | | | | | 6 | P Andújar | 7 | 3 | 2 | | | | |
| Q | G Durán | 2 | 3 | | | G Kretschmer | 5 | 2 | | | | | | | | | | |
| | F del Bonis | 6 | 5 | 0 | 6 | P Andújar | 7 | 6 | | | | | | | | | | |
| 6 | P Andújar | 3 | 7 | 6 | | | | | | | | | | | 1 | P Starace | 6 | 6 |
| 4 | T Gabashvili | 6 | 6 | | | | | | | | | | | | 8 | S Bolelli | 4 | 4 |
| Q | C Rodríguez | 3 | 3 | | 4 | T Gabashvili | 6 | 4 | 5 | | | | | | | | | |
| | A Kumantsov | 6 | 6 | | | A Kumantsov | 2 | 6 | 7 | | | | | | | | | |
| ALT | J Ager | 3 | 2 | | | | | | | | A Kumantsov | 5 | 1 | | | | | |
| Q | P Heras | 7 | 6 | 6 | | | | | | 8 | S Bolelli | 7 | 6 | | | | | |
| Q | F Piccari | 5 | 7 | 2 | Q | P Heras | 2 | 5 | | | | | | | | | | |
| | D Gremelmayr | 6$^5$ | 6$^3$ | | 8 | S Bolelli | 6 | 7 | | | | | | | | | | |
| 8 | S Bolelli | 7 | 7 | | | | | | | | | | | | | | | |

### 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 |
| 7 | N Massú | 5 | 3 | | | | | | | | | | | | | | | | |
| | R de Voest | 7 | 6 | | | R de Voest | 3 | 6$^3$ | | | | | | | | | | | |
| | M Zverev | 6 | 6 | | | M Zverev | 6 | 7 | | | | | | | | | | | |
| | L Tavares | 4 | 3 | | | | | | | | M Zverev | 6 | 2 | 0 | | | | | |
| | A García | 1 | 0 | r | | | | | | 3 | F Fognini | 4 | 6 | 6 | | | | | |
| WC | A Giannessi | 6 | 1 | | WC | A Giannessi | 3 | 4 | | | | | | | | | | | |
| WC | D Bracciali | 3 | 2 | | 3 | F Fognini | 6 | 6 | | | | | | | | | | | |
| 3 | F Fognini | 6 | 6 | | | | | | | | | | | | 3 | F Fognini | 6 | 4 | 6 |
| 5 | F Volandri | 6 | 6 | | | | | | | | | | | | 2 | A Seppi | 2 | 6 | 4 |
| ALT | D Olejniczak | 1 | 2 | | 5 | F Volandri | 6 | 4 | 6 | | | | | | | | | | |
| WC | W Trusendi | 6 | 6 | | WC | W Trusendi | 0 | 6 | 3 | | | | | | | | | | |
| PR | D Hartfield | 3 | 2 | | | | | | | 5 | F Volandri | 6$^5$ | 1 | | | | | | |
| | I Andreev | 7 | 7 | | | | | | | 2 | A Seppi | 7 | 6 | | | | | | |
| | J-M Aranguren | 5 | 6$^3$ | | | I Andreev | 6 | 1 | 2 | | | | | | | | | | |
| ALT | G Naso | 6$^3$ | 6 | 1 | 2 | A Seppi | 1 | 6 | 6 | | | | | | | | | | |
| 2 | A Seppi | 7 | 1 | 6 | | | | | | | | | | | | | | | |