# 2013 Tallahassee Tennis Challenger – Singles

Tim Smyczek was the defending champion, but lost to Cedrik-Marcel Stebe in the semifinals. Denis Kudla defeated Stebe 6–3, 6–3 in the final to win the title.

## Seeds

* Michael Russell (first round)
* Ryan Harrison (semifinals)
* Wayne Odesnik (second round)
* Jack Sock (first round)
* Tim Smyczek (semifinals)
* Steve Johnson (first round)
* Denis Kudla (champion)
* Mischa Zverev (second 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 |
| | Cedrik-Marcel Stebe | 7 | 6 | | | | | |
| 5 | Tim Smyczek | 5 | 0 | | | | | |
| 5 | Tim Smyczek | 5 | 0 | | | Cedrik-Marcel Stebe | 3 | 3 |
| | | | | | 7 | Denis Kudla | 6 | 6 |
| 7 | Denis Kudla | 6 | 5 | 6 | 7 | Denis Kudla | 6 | 6 |
| 2 | Ryan Harrison | 4 | 7 | 3 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Russell | 6$^6$ | 3 | | | | | | | | | | | | | | |
| | S-y Jeong | 7$^8$ | 6 | | | S-y Jeong | 6 | 3 | 0 | | | | | | | | |
| | C-M Stebe | 2 | 6 | 6 | | C-M Stebe | 4 | 6 | 6 | | | | | | | | |
| | T Sandgren | 6 | 3 | 3 | | | | | | | C-M Stebe | 6 | 6 | | | | |
| | F Dancevic | 7 | 6 | | | | | | | | F Dancevic | 4 | 3 | | | | |
| Q | I Bozoljac | 5 | 3 | | | F Dancevic | 6 | 6 | | | | | | | | | |
| Q | C Harrison | 7$^7$ | 6 | | Q | C Harrison | 4 | 3 | | | | | | | | | |
| 6 | S Johnson | 6$^4$ | 1 | | | | | | | | | | | | C-M Stebe | 7 | 6 |
| 4 | J Sock | 6 | 2 | 3 | | | | | | | | | | 5 | T Smyczek | 5 | 0 |
| | A Kuznetsov | 3 | 6 | 6 | | A Kuznetsov | 6 | 6$^4$ | 6 | | | | | | | | |
| | P Polansky | 6 | 6 | | | P Polansky | 2 | 7$^7$ | 1 | | | | | | | | |
| WC | Dominic Cotrone | 2 | 4 | | | | | | | | A Kuznetsov | 4 | 0$^r$ | | | | |
| WC | Salif Kanté | 2 | 0 | | | | | | | 5 | T Smyczek | 6 | 0 | | | | |
| | G Melzer | 6 | 6 | | | G Melzer | 6$^6$ | 0 | | | | | | | | | |
| Q | G Jones | 3 | 5 | | 5 | T Smyczek | 7$^8$ | 6 | | | | | | | | | |
| 5 | T Smyczek | 6 | 7 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 7 | D Kudla | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | S Devvarman | 6$^4$ | 4 | | 7 | D Kudla | 6 | 2 | 6 | | | | | | | | | |
| | B Klahn | 6 | 6 | | | B Klahn | 4 | 6 | 4 | | | | | | | | | |
| | N Barrientos | 3 | 2 | | | | | | | 7 | D Kudla | 7$^7$ | 6 | | | | | |
| | F Argüello | 7 | 7$^7$ | | | | | | | | F Argüello | 6$^3$ | 4 | | | | | |
| WC | Reid Carleton | 5 | 6$^4$ | | | F Argüello | 6 | 6 | | | | | | | | | | |
| | D Molchanov | 6 | 3 | 4 | 3 | W Odesnik | 3 | 3 | | | | | | | | | | |
| 3 | W Odesnik | 4 | 6 | 6 | | | | | | | | | | 7 | D Kudla | 6 | 5 | 6 |
| 8 | M Zverev | 6 | 6 | | | | | | | | | | | 2 | R Harrison | 4 | 7 | 3 |
| | N Basilashvili | 4 | 0 | | 8 | M Zverev | 2 | 2 | | | | | | | | | | |
| Q | M Venus | 5 | 4 | | | D Young | 6 | 6 | | | | | | | | | | |
| | D Young | 7 | 6 | | | | | | | | D Young | 6$^5$ | 4 | | | | | |
| WC | A Krajicek | 5 | 1 | | | | | | | 2 | R Harrison | 7$^7$ | 6 | | | | | |
| | A Bogdanovic | 7 | 6 | | | A Bogdanovic | 5 | 5 | | | | | | | | | | |
| | T Daniel | 3 | 7$^7$ | 6$^4$ | 2 | R Harrison | 7 | 7 | | | | | | | | | | |
| 2 | R Harrison | 6 | 6$^5$ | 7$^7$ | | | | | | | | | | | | | | |