# 2012 Honolulu Challenger – Singles

Ryan Harrison was the defending champion, but chose not to participate.
Go Soeda won the title, defeating Robby Ginepri in the final 6–3, 7–6$^{(7–5)}$.

## Seeds

* Go Soeda (champion)
* Bobby Reynolds (second round)
* Tatsuma Ito (semifinals)
* Alex Kuznetsov (second round)
* Michael Yani (second round)
* Yang Tsung-hua (first round)
* Yuichi Sugita (semifinals)
* Amer Delić (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 |
| 1 | Go Soeda | 6 | 6 | | | | | |
| 3 | Tatsuma Ito | 3 | 4 | | | | | |
| 3 | Tatsuma Ito | 3 | 4 | | 1 | Go Soeda | 6 | 7$^7$ |
| | | | | | | Robby Ginepri | 3 | 6$^5$ |
| 7 | Yuichi Sugita | 6 | 5 | 2 | | Robby Ginepri | 3 | 6$^5$ |
| | Robby Ginepri | 2 | 7 | 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 | G Soeda | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | A Begemann | 6$^3$ | 1 | | 1 | G Soeda | 6 | 6 | | | | | | | | | | |
| | K Čapkovič | 6 | 6 | | | K Čapkovič | 3 | 2 | | | | | | | | | | |
| | Y-k Lim | 4 | 2 | | | | | | | 1 | G Soeda | 6 | 2 | 6 | | | | |
| WC | D Lajola | 3 | 2 | | | | | | | WC | J Sock | 2 | 6 | 2 | | | | |
| WC | J Sock | 6 | 6 | | WC | J Sock | 6 | 6 | | | | | | | | | | |
| | F Wolmarans | 6 | 5 | 3 | 5 | M Yani | 1 | 1 | | | | | | | | | | |
| 5 | M Yani | 2 | 7 | 6 | | | | | | | | | | | 1 | G Soeda | 6 | 6 |
| 3 | T Ito | 6 | 6$^5$ | 6 | | | | | | | | | | | 3 | T Ito | 3 | 4 |
| Q | K Kim | 4 | 7$^7$ | 3 | 3 | T Ito | 6 | 2 | 6 | | | | | | | | | |
| Q | M McClune | 5 | 3 | | | P Polansky | 4 | 6 | 0 | | | | | | | | | |
| | P Polansky | 7 | 6 | | | | | | | 3 | T Ito | 6 | 6 | | | | | |
| | R Kendrick | 2 | 6 | 3 | | | | | | | D Kudla | 4 | 3 | | | | | |
| | M Venus | 6 | 4 | 6 | | M Venus | 3 | 4 | | | | | | | | | | |
| | D Kudla | 6$^5$ | 6 | 6 | | D Kudla | 6 | 6 | | | | | | | | | | |
| 6 | T-h Yang | 7$^7$ | 3 | 3 | | | | | | | | | | | | | | |

### 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 | Y Sugita | 6 | 6 | | | | | | | | | | | | | | | | |
| | Y Bhambri | 4 | 2 | | 7 | Y Sugita | 5 | 6 | 6 | | | | | | | | | | |
| | P-L Duclos | 2 | 6 | 7 | | P-L Duclos | 7 | 2 | 4 | | | | | | | | | | |
| Alt | B Strode | 6 | 4 | 5 | | | | | | 7 | Y Sugita | 7 | 2 | 7 | | | | | |
| | A Bogdanovic | 3 | 6 | 2 | | | | | | | T Smyczek | 5 | 6 | 5 | | | | | |
| | T Smyczek | 6 | 4 | 6 | | T Smyczek | 6 | 6 | | | | | | | | | | | |
| | N Monroe | 5 | 6 | 1 | 4/WC | A Kuznetsov | 3 | 3 | | | | | | | | | | | |
| 4/WC | A Kuznetsov | 7 | 1 | 6 | | | | | | | | | | | 7 | Y Sugita | 6 | 5 | 2 |
| 8 | A Delić | 6 | 6 | | | | | | | | | | | | | R Ginepri | 2 | 7 | 6 |
| Q | T Garanganga | 4 | 3 | | 8 | A Delić | 6 | 6 | | | | | | | | | | | |
| Q | O Sajous | 6 | 6 | | Q | O Sajous | 2 | 2 | | | | | | | | | | | |
| | Axel Michon | 4 | 3 | | | | | | | 8 | A Delić | 4 | 4 | | | | | | |
| | S Johnson | 2 | 4 | | | | | | | | R Ginepri | 6 | 6 | | | | | | |
| | R Ginepri | 6 | 6 | | | R Ginepri | 6 | 6 | | | | | | | | | | | |
| WC | Leo Rosenberg | 4 | 4 | | 2 | B Reynolds | 2 | 2 | | | | | | | | | | | |
| 2 | B Reynolds | 6 | 6 | | | | | | | | | | | | | | | | |