# 2011 JSM Challenger of Champaign–Urbana – Singles

Alex Bogomolov Jr. was the defending champion but decided not to participate. Alex Kuznetsov won the title, defeating Rik De Voest 6–1, 6–3 in the final.

## Seeds

* Michael Russell (semifinals, retired)
* Izak van der Merwe (first round)
* Vasek Pospisil (second round)
* Rik De Voest (final)
* Víctor Estrella (first round)
* Uladzimir Ignatik (first round)
* Michael Yani (first round, retired due to right shoulder injury)
* Vincent Millot (first round, retired due to left achilles injury)

## 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 | Michael Russell | 6 | 4 | 3$^r$ | | | | |
| 4 | Rik de Voest | 3 | 6 | 5 | | | | |
| 4 | Rik de Voest | 3 | 6 | 5 | 4 | Rik de Voest | 1 | 3 |
| | | | | | | Alex Kuznetsov | 6 | 6 |
| Q | Peter Polansky | 2 | 4 | | | Alex Kuznetsov | 6 | 6 |
| | Alex Kuznetsov | 6 | 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 | Semifinals |
| 1 | M Russell | 6 | 6 | | | | | | | | | | | | | | | | |
| | R Klaasen | 4 | 3 | | 1 | M Russell | w/o | | | | | | | | | | | | |
| | J Baker | 4 | 7 | 6 | | J Baker | | | | | | | | | | | | | |
| Q | A Bogdanovic | 6 | 5 | 1 | | | | | | 1 | M Russell | 3 | 6 | 7$^7$ | | | | | |
| WC | B Baker | 6 | 4 | 4 | | | | | | | A Delić | 6 | 4 | 6$^2$ | | | | | |
| | A Delić | 2 | 6 | 6 | | A Delić | 7$^7$ | 6 | | | | | | | | | | | |
| | F Nielsen | 4 | | | | F Nielsen | 6$^4$ | 2 | | | | | | | | | | | |
| 8 | V Millot | 1r | | | | | | | | | | | | | 1 | M Russell | 6 | 4 | 3$^r$ |
| 4 | R de Voest | 6 | 6 | | | | | | | | | | | | 4 | R de Voest | 3 | 6 | 5 |
| | É Chvojka | 0 | 2 | | 4 | R de Voest | 3 | 6 | 6 | | | | | | | | | | |
| Q | K Kim | 7$^7$ | 0 | 4 | SE | M Bašić | 6 | 3 | 3 | | | | | | | | | | |
| SE | M Bašić | 6$^6$ | 6 | 6 | | | | | | 4 | R de Voest | 6 | 6 | | | | | | |
| | H Heliövaara | 7 | 6 | | | | | | | | H Heliövaara | 3 | 1 | | | | | | |
| WC | Roy Kalmanovich | 5 | 3 | | | H Heliövaara | 6 | 3 | 7$^7$ | | | | | | | | | | |
| WC | S Johnson | 6$^7$ | 6 | 6 | WC | S Johnson | 4 | 6 | 6$^4$ | | | | | | | | | | |
| 6 | U Ignatik | 7$^9$ | 4 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Yani | 3 | 0$^r$ | | | | | | | | | | | | | | | |
| | P-L Duclos | 6 | 1 | | | P-L Duclos | 4 | 4 | | | | | | | | | | |
| WC | Dennis Nevolo | 4 | 6$^5$ | | Q | J-P Smith | 6 | 6 | | | | | | | | | | |
| Q | John-Patrick Smith | 6 | 7$^7$ | | | | | | | Q | J-P Smith | 2 | 4 | | | | | |
| Q | P Polansky | 6 | 3 | 6 | | | | | | Q | P Polansky | 6 | 6 | | | | | |
| | R Borvanov | 3 | 6 | 4 | Q | P Polansky | 4 | 6 | 6 | | | | | | | | | |
| | D Molchanov | 1 | 4 | | 3 | V Pospisil | 6 | 3 | 4 | | | | | | | | | |
| 3 | V Pospisil | 6 | 6 | | | | | | | | | | | | Q | P Polansky | 2 | 4 |
| 5 | V Estrella | 5 | 1 | | | | | | | | | | | | | A Kuznetsov | 6 | 6 |
| | A Kuznetsov | 7 | 6 | | | A Kuznetsov | 6 | | | | | | | | | | | |
| SE | J Levine | 6 | 6$^1$ | 6 | SE | J Levine | 1 | r | | | | | | | | | | |
| | D Matsukevich | 1 | 7$^7$ | 2 | | | | | | | A Kuznetsov | 6$^6$ | 6 | 6 | | | | |
| | G Jones | 6 | 6 | | | | | | | | C Guccione | 7$^8$ | 4 | 3 | | | | |
| | F Wolmarans | 3 | 4 | | | G Jones | 6 | 2 | 3 | | | | | | | | | |
| | C Guccione | 7$^7$ | 6 | | | C Guccione | 4 | 6 | 6 | | | | | | | | | |
| 2 | I van der Merwe | 6$^3$ | 3 | | | | | | | | | | | | | | | |