# 2012 JSM Challenger of Champaign–Urbana – Singles

Alex Kuznetsov was the defending champion. Tim Smyczek defeated Jack Sock 2–6, 7–6$^{(7–1)}$ and 7–5 in the final to win the title.

## Seeds

* Michael Russell (quarterfinals, retired)
* Mischa Zverev (first round)
* Denis Kudla (second round)
* Ryan Sweeting (quarterfinals)
* Bobby Reynolds (first round)
* Tim Smyczek (champion)
* Jack Sock (final)
* Alex Kuznetsov (first 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 | Final | Final | Final | Final | Final |
| 7 | Jack Sock | 6 | 6 | | | | | |
| | Alex Bogdanovic | 4 | 3 | | | | | |
| | Alex Bogdanovic | 4 | 3 | 7 | Jack Sock | 6 | 6$^1$ | 5 |
| | | | | 6 | Tim Smyczek | 2 | 7$^7$ | 7 |
| | Rhyne Williams | 5 | 3 | 6 | Tim Smyczek | 2 | 7$^7$ | 7 |
| 6 | Tim Smyczek | 7 | 6 | | | | | |

### Top 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 |
| 1 | M Russell | 6 | 6 | | | | | | | | | | | | | |
| | A Bossel | 4 | 4 | | 1 | M Russell | 6 | 6 | | | | | | | | |
| | F Wolmarans | 2 | 5 | | WC | D Britton | 4 | 4 | | | | | | | | |
| WC | D Britton | 6 | 7 | | | | | | 1 | M Russell | 1$^r$ | | | | | |
| WC | Tim Kopinski | 3 | 2 | | | | | | 7 | J Sock | 2 | | | | | |
| | B Klahn | 6 | 6 | | | B Klahn | 4 | 5 | | | | | | | | |
| | T Gabashvili | 6$^4$ | 6$^r$ | | 7 | J Sock | 6 | 7 | | | | | | | | |
| 7 | J Sock | 7$^7$ | 6 | | | | | | | | | | 7 | J Sock | 6 | 6 |
| 3 | D Kudla | 7 | 6 | | | | | | | | | | | A Bogdanovic | 4 | 3 |
| Q | J Milton | 5 | 3 | | 3 | D Kudla | 3 | 2 | | | | | | | | |
| | A Bogdanovic | 6 | 4 | 6 | | A Bogdanovic | 6 | 6 | | | | | | | | |
| PR | J Witten | 4 | 6 | 3 | | | | | | A Bogdanovic | 6 | 6 | | | | |
| | G Jones | 6 | 3 | 4 | | | | | WC | C Buchanan | 4 | 3 | | | | |
| WC | C Buchanan | 3 | 6 | 6 | WC | C Buchanan | 6 | 6 | | | | | | | | |
| | T Sandgren | 6 | 7$^7$ | | | T Sandgren | 2 | 3 | | | | | | | | |
| 8 | A Kuznetsov | 4 | 6$^4$ | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | B Reynolds | 3 | 4 | | | | | | | | | | | | | | |
| | Daniel Smethurst | 6 | 6 | | | D Smethurst | 5 | 4 | | | | | | | | | |
| | R Williams | 6 | 6 | | | R Williams | 7 | 6 | | | | | | | | | |
| | A Krajicek | 2 | 2 | | | | | | | | R Williams | 7$^7$ | 6 | | | | |
| WC | Dennis Nevolo | 6 | 6 | | | | | | | 4 | R Sweeting | 6$^4$ | 2 | | | | |
| Q | C Harrison | 4 | 2 | | WC | D Nevolo | 3 | 2 | | | | | | | | | |
| | C Reix | 2 | 1$^r$ | | 4 | R Sweeting | 6 | 6 | | | | | | | | | |
| 4 | R Sweeting | 6 | 3 | | | | | | | | | | | | R Williams | 5 | 3 |
| 6 | T Smyczek | 6 | 3 | 6 | | | | | | | | | | 6 | T Smyczek | 7 | 6 |
| | M Lammer | 4 | 6 | 3 | 6 | T Smyczek | 6 | 6 | | | | | | | | | |
| | I van der Merwe | 6 | 6 | | | I van der Merwe | 2 | 4 | | | | | | | | | |
| Q | A Dăescu | 2 | 2 | | | | | | | 6 | T Smyczek | 7 | 7$^7$ | | | | |
| | J-P Smith | 6 | 6 | | | | | | | | J-P Smith | 5 | 6$^0$ | | | | |
| | S-Y Jeong | 3 | 3 | | | J-P Smith | 7$^7$ | 3 | 6 | | | | | | | | |
| Q | C Guccione | 6 | 6 | | Q | C Guccione | 6$^3$ | 6 | 4 | | | | | | | | |
| 2 | M Zverev | 4 | 3 | | | | | | | | | | | | | | |