# 2013 Sacramento Challenger – Singles

James Blake was the defending champion but retired from tennis.

## Seeds

* Denis Kudla (first round)
* Tim Smyczek (final)
* Matthew Ebden (quarterfinals)
* Rajeev Ram (first round)
* Rhyne Williams (first round)
* Alex Kuznetsov (first round)
* Bradley Klahn (quarterfinals)
* Donald Young (champion)

## 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 |
| 8 | Donald Young | 6 | 6 | | | | |
| WC | Jarmere Jenkins | 2 | 2 | | | | |
| WC | Jarmere Jenkins | 2 | 2 | 8 | Donald Young | 7 | 6 |
| | | | | 2 | Tim Smyczek | 5 | 3 |
| | Nick Kyrgios | 3 | 1 | 2 | Tim Smyczek | 5 | 3 |
| 2 | Tim Smyczek | 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 |
| 1 | D Kudla | 5 | 0 | | | | | | | | | | | | | | | |
| Alt | D Cox | 7 | 6 | | Alt | D Cox | 4 | 3 | | | | | | | | | | |
| | S Johnson | 4 | 6$^4$ | | | M Reid | 6 | 6 | | | | | | | | | | |
| | M Reid | 6 | 7$^7$ | | | | | | | | M Reid | 3 | 4 | | | | | |
| | J McGee | 7 | 3 | 6 | | | | | | 8 | D Young | 6 | 6 | | | | | |
| WC | C Altamirano | 5 | 6 | 3 | | J McGee | 2 | 3 | | | | | | | | | | |
| | P Gojowczyk | 4 | 6$^6$ | | 8 | D Young | 6 | 6 | | | | | | | | | | |
| 8 | D Young | 6 | 7$^8$ | | | | | | | | | | | | 8 | D Young | 6 | 6 |
| 3 | M Ebden | 7 | 6 | | | | | | | | | | | | WC | J Jenkins | 2 | 2 |
| | A Krajicek | 5 | 3 | | 3 | M Ebden | 6 | 3 | 6 | | | | | | | | | |
| | R Ginepri | 7 | 6 | | | R Ginepri | 0 | 6 | 4 | | | | | | | | | |
| | T Sandgren | 5 | 4 | | | | | | | 3 | M Ebden | 7 | 3 | 4 | | | | |
| | J-P Smith | 3 | 1 | | | | | | | WC | J Jenkins | 6$^3$ | 6 | 6 | | | | |
| WC | J Jenkins | 6 | 6 | | WC | J Jenkins | 3 | 6 | 6 | | | | | | | | | |
| | D Evans | 6 | 7$^7$ | | | D Evans | 6 | 3 | 3 | | | | | | | | | |
| 5 | R Williams | 3 | 6$^2$ | | | | | | | | | | | | | | | |

### 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 | B Klahn | 7 | 4 | 6 | | | | | | | | | | | | | | |
| Q | D Kutrovsky | 5 | 6 | 4 | 7 | B Klahn | 7$^8$ | 6 | | | | | | | | | | |
| | B Mitchell | 7 | 6 | | | B Mitchell | 6$^6$ | 4 | | | | | | | | | | |
| Q | F Wolmarans | 5 | 3 | | | | | | | 7 | B Klahn | 6$^5$ | 6 | 6$^4$ | | | | |
| WC | R Kendrick | 6$^5$ | 3 | | | | | | | | N Kyrgios | 7$^7$ | 2 | 7$^7$ | | | | |
| Q | T Kokkinakis | 7$^7$ | 6 | | Q | T Kokkinakis | 6 | 6$^6$ | 1 | | | | | | | | | |
| | N Kyrgios | 7$^7$ | 7$^7$ | | | N Kyrgios | 2 | 7$^8$ | 6 | | | | | | | | | |
| 4 | R Ram | 6$^4$ | 6$^2$ | | | | | | | | | | | | | N Kyrgios | 3 | 1 |
| 6 | A Kuznetsov | 6 | 3 | 6$^2$ | | | | | | | | | | | 2 | T Smyczek | 6 | 6 |
| | P Polansky | 3 | 6 | 7$^7$ | | P Polansky | 7$^8$ | 6$^7$ | 3 | | | | | | | | | |
| | D Molchanov | 3 | 2 | | | S Groth | 6$^6$ | 7$^9$ | 6 | | | | | | | | | |
| | S Groth | 6 | 6 | | | | | | | | S Groth | 6$^8$ | 6 | 1 | | | | |
| Q | Dennis Nevolo | 6$^4$ | 4 | | | | | | | 2 | T Smyczek | 7$^{10}$ | 4 | 6 | | | | |
| | B Reynolds | 7$^7$ | 7 | | | B Reynolds | 2 | 4 | | | | | | | | | | |
| WC | Robert Noah | 6$^3$ | 0 | | 2 | T Smyczek | 6 | 6 | | | | | | | | | | |
| 2 | T Smyczek | 7$^7$ | 6 | | | | | | | | | | | | | | | |