# 2013 Nielsen Pro Tennis Championship – Singles

John-Patrick Smith was the defending champion but decided not to participate. Jack Sock won the title, beating Bradley Klahn 6–4, 6–2.

## Seeds

* Alex Bogomolov Jr. (semifinals, retired)
* Steve Johnson (quarterfinals)
* Jack Sock (champion)
* Tim Smyczek (quarterfinals)
* Somdev Devvarman (semifinals)
* Mischa Zverev (quarterfinals, retired)
* Donald Young (quarterfinals)
* Bradley Klahn (final)

## 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 | Alex Bogomolov Jr. | 6 | 4 | 1$^r$ | | | | |
| 8 | Bradley Klahn | 4 | 6 | 3 | | | | |
| 8 | Bradley Klahn | 4 | 6 | 3 | 8 | Bradley Klahn | 4 | 2 |
| | | | | | 3/WC | Jack Sock | 6 | 6 |
| 3/WC | Jack Sock | 3 | 6 | 7$^7$ | 3/WC | Jack Sock | 6 | 6 |
| 5 | Somdev Devvarman | 6 | 4 | 6$^5$ | | | | |

### 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 | Semifinals |
| 1 | A Bogomolov Jr. | 6 | 6 | | | | | | | | | | | | | | | |
| | É Chvojka | 4 | 3 | | 1 | A Bogomolov Jr. | 6 | 7 | | | | | | | | | | |
| Alt | E Quigley | 6 | 2 | 6 | Alt | E Quigley | 4 | 5 | | | | | | | | | | |
| | A Bossel | 2 | 6 | 4 | | | | | | 1 | A Bogomolov Jr. | 6 | 3 | | | | | |
| WC | E King | 5 | 6 | 5 | | | | | | 6 | M Zverev | 2 | 0$^r$ | | | | | |
| | J Jung | 7 | 4 | 7 | | J Jung | 2 | 3 | | | | | | | | | | |
| | T Sandgren | 3 | 7$^7$ | 5 | 6 | M Zverev | 6 | 6 | | | | | | | | | | |
| 6 | M Zverev | 6 | 6$^5$ | 7 | | | | | | | | | | 1 | A Bogomolov Jr. | 6 | 4 | 1$^r$ |
| 4 | T Smyczek | 6 | 1 | 6 | | | | | | | | | | 8 | B Klahn | 4 | 6 | 3 |
| | Y Bhambri | 4 | 6 | 1 | 4 | T Smyczek | 6 | 1 | 6 | | | | | | | | | |
| | A Feeney | 6 | 5 | 2 | | C Harrison | 3 | 6 | 1 | | | | | | | | | |
| | C Harrison | 3 | 7 | 6 | | | | | | 4 | T Smyczek | 3 | 5 | | | | | |
| | R Ginepri | 6$^3$ | 0$^r$ | | | | | | | 8 | B Klahn | 6 | 7 | | | | | |
| Q | J Dadamo | 7$^7$ | 3 | | Q | J Dadamo | 6$^5$ | 4 | | | | | | | | | | |
| | F Dustov | 6 | 6$^8$ | 4 | 8 | B Klahn | 7$^7$ | 6 | | | | | | | | | | |
| 8 | B Klahn | 3 | 7$^{10}$ | 6 | | | | | | | | | | | | | | |

### 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 |
| 7 | D Young | 6 | 3 | 6 | | | | | | | | | | | | | |
| Q | M Podžus | 4 | 6 | 2 | 7 | D Young | 6 | 6 | | | | | | | | | |
| WC | J Jenkins | 7$^7$ | 6$^4$ | 6 | WC | J Jenkins | 2 | 2 | | | | | | | | | |
| Q | K King | 6$^4$ | 7$^7$ | 4 | | | | | 7 | D Young | 3 | 4 | | | | | |
| | A Krajicek | 0 | 6 | 6 | | | | | 3/WC | J Sock | 6 | 6 | | | | | |
| | A Bogdanovic | 6 | 3 | 3 | | A Krajicek | 4 | 1 | | | | | | | | | |
| | F Wolmarans | 2 | 6$^2$ | | 3/WC | J Sock | 6 | 6 | | | | | | | | | |
| 3/WC | J Sock | 6 | 7$^7$ | | | | | | | | | | 3/WC | J Sock | 3 | 6 | 7$^7$ |
| 5 | S Devvarman | 6$^7$ | 6 | 6 | | | | | | | | | 5 | S Devvarman | 6 | 4 | 6$^5$ |
| Q | S Bangoura | 7$^9$ | 3 | 1 | 5 | S Devvarman | 6 | 6 | | | | | | | | | |
| | S Myneni | 4 | 6 | 6 | | S Myneni | 1 | 2 | | | | | | | | | |
| WC | Dennis Nevolo | 6 | 1 | 2 | | | | | 5 | S Devvarman | 7 | 6 | | | | | |
| | M Venus | 6 | 6 | | | | | | 2 | S Johnson | 5 | 4 | | | | | |
| Alt | A Pavić | 3 | 3 | | | M Venus | 1 | 4 | | | | | | | | | |
| Alt | M McClune | 5 | 5 | | 2 | S Johnson | 6 | 6 | | | | | | | | | |
| 2 | S Johnson | 7 | 7 | | | | | | | | | | | | | | |