# 2011 ATP Challenger Guangzhou – Singles

Uladzimir Ignatik won the first edition of this tournament. He defeated Alexander Kudryavtsev 6–4, 6–4 in the final.

## Seeds

* Go Soeda (first round)
* Lukáš Lacko (second round)
* Steve Darcis (quarterfinals)
* Alexander Kudryavtsev (final)
* Matthias Bachinger (semifinals)
* Tatsuma Ito (quarterfinals)
* Uladzimir Ignatik (champion)
* Dominik Meffert (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 | Final | Final | Final | Final |
| 5 | Matthias Bachinger | 5 | 4 | | | | |
| 4 | Alexander Kudryavtsev | 7 | 6 | | | | |
| 4 | Alexander Kudryavtsev | 7 | 6 | 4 | Alexander Kudryavtsev | 4 | 4 |
| | | | | 7 | Uladzimir Ignatik | 6 | 6 |
| 7 | Uladzimir Ignatik | 6 | 6 | 7 | Uladzimir Ignatik | 6 | 6 |
| SE | Cedrik-Marcel Stebe | 2 | 0 | | | | |

### 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 |
| 1 | G Soeda | 4 | 4 | | | | | | | | | | | | | | |
| LL | S Bubka | 6 | 6 | | LL | S Bubka | 1 | 2 | | | | | | | | | |
| | S Rieschick | 6 | 6 | | | S Rieschick | 6 | 6 | | | | | | | | | |
| Q | B Mitchell | 3 | 3 | | | | | | | | S Rieschick | 0 | 1 | | | | |
| WC | M Gong | 6 | 6 | | | | | | | 5 | M Bachinger | 6 | 6 | | | | |
| Q | S Kadir | 4 | 4 | | WC | M Gong | 5 | 1 | | | | | | | | | |
| WC | Z Zhang | 6 | 4 | 3 | 5 | M Bachinger | 7 | 6 | | | | | | | | | |
| 5 | M Bachinger | 4 | 6 | 6 | | | | | | | | | | 5 | M Bachinger | 5 | 4 |
| 4 | A Kudryavtsev | 6 | 6 | | | | | | | | | | | 4 | A Kudryavtsev | 7 | 6 |
| | A Brugués Davi | 0 | 1 | | 4 | A Kudryavtsev | 7 | 6 | | | | | | | | | |
| | J Sousa | 6 | 2 | 6$^6$ | | S Stadler | 6$^5$ | 3 | | | | | | | | | |
| | S Stadler | 4 | 6 | 7 | | | | | | 4 | A Kudryavtsev | 6 | 6 | | | | |
| | A Veić | 6 | 6 | | | | | | | 6 | T Ito | 4 | 3 | | | | |
| | I Sergeyev | 3 | 4 | | | A Veić | 7 | 5 | 4 | | | | | | | | |
| | M Middelkoop | 3 | 6 | 6$^9$ | 6 | T Ito | 6$^5$ | 7 | 6 | | | | | | | | |
| 6 | T Ito | 6 | 0 | 7 | | | | | | | | | | | | | |

### 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 |
| 7 | U Ignatik | 4 | 6 | 7 | | | | | | | | | | | | |
| | D Udomchoke | 6 | 2 | 6$^3$ | 7 | U Ignatik | 7 | 6 | | | | | | | | |
| | H Heliövaara | 7 | 6 | | | H Heliövaara | 6$^2$ | 1 | | | | | | | | |
| WC | Z Li | 5 | 2 | | | | | | 7 | U Ignatik | 7 | 6 | | | | |
| WC | D Wu | 6 | 3 | 4 | | | | | 3 | S Darcis | 6$^4$ | 3 | | | | |
| | N Mektić | 3 | 6 | 6 | | N Mektić | 5 | 6$^2$ | | | | | | | | |
| | E Kirillov | 4 | 3 | | 3 | S Darcis | 7 | 7 | | | | | | | | |
| 3 | S Darcis | 6 | 6 | | | | | | | | | | 7 | U Ignatik | 6 | 6 |
| 8 | D Meffert | 6 | 6$^3$ | 6 | | | | | | | | | SE | C-M Stebe | 2 | 0 |
| | A Peya | 1 | 7 | 3 | 8 | D Meffert | 6 | 6 | | | | | | | | |
| Q | T Fernandes | 6 | 6 | | Q | T Fernandes | 4 | 3 | | | | | | | | |
| | G Naso | 4 | 2 | | | | | | 8 | D Meffert | 3 | 6$^3$ | | | | |
| Q | C Fleming | 6$^5$ | 6 | 6$^4$ | | | | | SE | C-M Stebe | 6 | 7 | | | | |
| SE | C-M Stebe | 7 | 4 | 7 | SE | C-M Stebe | 6 | 6 | | | | | | | | |
| | D Goffin | 2 | 3 | | 2 | L Lacko | 3 | 3 | | | | | | | | |
| 2 | L Lacko | 6 | 6 | | | | | | | | | | | | | |