# 2010 JSM Challenger of Champaign–Urbana – Singles

Michael Russell was the defending champion, but decided not to participate. Alex Bogomolov Jr. defeated Amer Delić 5–7, 7–6(7), 6–3 in the final to win the tournament.

## Seeds

* Kei Nishikori (second round)
* Peter Luczak (quarterfinals)
* Carsten Ball (first round)
* Izak van der Merwe (first round)
* Bobby Reynolds (semifinals)
* Alex Bogomolov Jr. (champion)
* Lester Cook (first round)
* Giovanni Lapentti (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 | Semifinals | Final | Final | Final | Final | Final |
| WC | Amer Delić | 3 | 6 | 6 | | | | | |
| | Jesse Witten | 6 | 3 | 4 | | | | | |
| | Jesse Witten | 6 | 3 | 4 | WC | Amer Delić | 7 | 6$^7$ | 3 |
| | | | | | 6 | Alex Bogomolov Jr. | 5 | 7 | 6 |
| 6 | Alex Bogomolov Jr. | 2 | 6 | 7 | 6 | Alex Bogomolov Jr. | 5 | 7 | 6 |
| 5 | Bobby Reynolds | 6 | 0 | 6$^4$ | | | | | |

### 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 | Semifinals |
| 1 | K Nishikori | 6 | 6 | | | | | | | | | | | | | | |
| | C Guccione | 4 | 4 | | 1 | K Nishikori | 5 | 3 | | | | | | | | | |
| WC | A Delić | 6 | 6 | | WC | A Delić | 7 | 6 | | | | | | | | | |
| Q | A Anderson | 4 | 1 | | | | | | WC | A Delić | 7 | 7 | | | | | |
| WC | S Johnson | 6 | 6 | | | | | | WC | S Johnson | 6$^5$ | 6$^1$ | | | | | |
| Q | JP Fruttero | 4 | 4 | | WC | S Johnson | 7 | 7 | | | | | | | | | |
| | J Lemke | 6 | 6 | | | J Lemke | 5 | 6$^2$ | | | | | | | | | |
| 8 | G Lapentti | 4 | 4 | | | | | | | | | | WC | A Delić | 3 | 6 | 6 |
| 4 | I van der Merwe | 6$^4$ | 6 | 4 | | | | | | | | | | J Witten | 6 | 3 | 4 |
| | J Witten | 7 | 3 | 6 | | J Witten | 6 | 6 | | | | | | | | | |
| | R Klaasen | 6 | 6 | | | R Klaasen | 3 | 3 | | | | | | | | | |
| | R DeHeart | 3 | 2 | | | | | | | J Witten | 6 | 6 | | | | | |
| WC | A Souza | 5 | 1 | | | | | | | M Yani | 4 | 4 | | | | | |
| | J Levine | 7 | 6 | | | J Levine | 3 | 4 | | | | | | | | | |
| | M Yani | 6 | 7 | | | M Yani | 6 | 6 | | | | | | | | | |
| 7 | L Cook | 3 | 5 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | A Bogomolov Jr. | 1 | 6 | 6 | | | | | | | | | | | | | |
| Q | L Gregorc | 6 | 1 | 2 | 6 | A Bogomolov Jr. | 7 | 6 | | | | | | | | | |
| | A Kumantsov | 6$^5$ | 7 | 1$^r$ | | G Jones | 6$^3$ | 3 | | | | | | | | | |
| | G Jones | 7 | 6$^2$ | 4 | | | | | 6 | A Bogomolov Jr. | 6 | 6 | | | | | |
| Q | C Eaton | 3 | 6$^4$ | | | | | | SE | F Wolmarans | 2 | 1 | | | | | |
| SE | N Monroe | 6 | 7 | | SE | N Monroe | 3 | 6$^3$ | | | | | | | | | |
| SE | F Wolmarans | 1 | 6 | 6 | SE | F Wolmarans | 6 | 7 | | | | | | | | | |
| 3 | C Ball | 6 | 3 | 4 | | | | | | | | | 6 | A Bogomolov Jr. | 2 | 6 | 7 |
| 5 | B Reynolds | 6 | 3 | 6 | | | | | | | | | 5 | B Reynolds | 6 | 0 | 6$^4$ |
| | M McClune | 3 | 6 | 4 | 5 | B Reynolds | 7 | 6 | | | | | | | | | |
| | D Blömke | 6 | 6 | | | D Blömke | 6$^{10}$ | 4 | | | | | | | | | |
| | D Yoo | 3 | 4 | | | | | | 5 | B Reynolds | 7 | 6 | | | | | |
| | A El Mihdawy | 4 | 1 | | | | | | 2 | P Luczak | 6$^3$ | 3 | | | | | |
| | A Kuznetsov | 6 | 6 | | | A Kuznetsov | 6$^{11}$ | 2 | | | | | | | | | |
| WC | D Nevolo | 4 | 7 | 3 | 2 | P Luczak | 7 | 6 | | | | | | | | | |
| 2 | P Luczak | 6 | 6$^5$ | 6 | | | | | | | | | | | | | |