# 2013 Busan Open Challenger Tennis – Singles

Tatsuma Ito was the defending champion, but lost to Dudi Sela in the quarterfinals. Sela went on to win the title by defeating Alex Bogomolov Jr. 6–1, 6–4 in the final.

## Seeds

* Lu Yen-hsun (first round)
* Lukáš Lacko (first round)
* Dudi Sela (champion)
* Alex Bogomolov Jr. (final)
* Go Soeda (first round)
* Tatsuma Ito (quarterfinals)
* Matthew Ebden (quarterfinals)
* Yūichi Sugita (first round, retired)

## 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 |
| | James McGee | 3 | 1 | | | | |
| 4 | Alex Bogomolov Jr. | 6 | 6 | | | | |
| 4 | Alex Bogomolov Jr. | 6 | 6 | 4 | Alex Bogomolov Jr. | 1 | 4 |
| | | | | 3 | Dudi Sela | 6 | 6 |
| 3 | Dudi Sela | 6 | 6 | 3 | Dudi Sela | 6 | 6 |
| | Jimmy Wang | 2 | 2 | | | | |

### 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 | Y-h Lu | 4 | 6$^3$ | | | | | | | | | | | | | | | |
| | E López-Pérez | 6 | 7$^7$ | | | E López-Pérez | 3 | 4 | | | | | | | | | | |
| | R de Voest | 6 | 6$^4$ | 0 | | J McGee | 6 | 6 | | | | | | | | | | |
| | J McGee | 2 | 7$^7$ | 6 | | | | | | | J McGee | 6 | 1 | 6 | | | | |
| | B Klein | 3 | 3 | | | | | | | | D Udomchoke | 3 | 6 | 3 | | | | |
| | R Bemelmans | 6 | 6 | | | R Bemelmans | 3 | 6 | 3 | | | | | | | | | |
| | D Udomchoke | 3 | | | | D Udomchoke | 6 | 3 | 6 | | | | | | | | | |
| 8 | Y Sugita | 0$^r$ | | | | | | | | | | | | | | J McGee | 3 | 1 |
| 4 | A Bogomolov Jr. | 6 | 4 | 6 | | | | | | | | | | | 4 | A Bogomolov Jr. | 6 | 6 |
| | C Rungkat | 3 | 6 | 3 | 4 | A Bogomolov Jr. | 6 | 6 | | | | | | | | | | |
| Q | L Grigelis | 4 | 2 | | | A Weintraub | 2 | 3 | | | | | | | | | | |
| | A Weintraub | 6 | 6 | | | | | | | 4 | A Bogomolov Jr. | 6 | 2 | 6 | | | | |
| Q | J Statham | 6 | 4 | 6$^{10}$ | | | | | | 7 | M Ebden | 4 | 6 | 1 | | | | |
| Q | D Propoggia | 3 | 6 | 7$^{12}$ | Q | D Propoggia | 6$^4$ | 1 | | | | | | | | | | |
| WC | Y-k Lim | 6 | 2 | 0 | 7 | M Ebden | 7$^7$ | 6 | | | | | | | | | | |
| 7 | M Ebden | 4 | 6 | 6 | | | | | | | | | | | | | | |

### 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 |
| 6 | T Ito | 6 | 6 | | | | | | | | | | | | | | | |
| Q | Y Ito | 4 | 2 | | 6 | T Ito | 6 | 2 | 6 | | | | | | | | | |
| WC | D-h Lee | 6$^6$ | 1 | | | D Wu | 2 | 6 | 4 | | | | | | | | | |
| | D Wu | 7$^8$ | 6 | | | | | | | 6 | T Ito | 4 | 5 | | | | | |
| WC | J-s Nam | 6 | 3 | 2 | | | | | | 3 | D Sela | 6 | 7 | | | | | |
| | T-h Yang | 2 | 6 | 6 | | T-h Yang | 6 | 2 | 0 | | | | | | | | | |
| | J-P Smith | 2 | 2 | | 3 | D Sela | 3 | 6 | 6 | | | | | | | | | |
| 3 | D Sela | 6 | 6 | | | | | | | | | | | | 3 | D Sela | 6 | 6 |
| 5 | G Soeda | 2 | 6$^4$ | | | | | | | | | | | | | J Wang | 2 | 2 |
| | H Moriya | 6 | 7$^7$ | | | H Moriya | 2 | 4 | | | | | | | | | | |
| | J Wang | 6 | 3 | | | J Wang | 6 | 6 | | | | | | | | | | |
| | M Chiudinelli | 2 | 0$^r$ | | | | | | | | J Wang | 6 | 2 | 7$^7$ | | | | |
| | S-y Jeong | 6$^1$ | 6 | 6 | | | | | | | Z Zhang | 4 | 6 | 6$^2$ | | | | |
| WC | H Chung | 7$^7$ | 3 | 1 | | S-y Jeong | 3 | 2 | | | | | | | | | | |
| | Z Zhang | 7$^7$ | 6 | | | Z Zhang | 6 | 6 | | | | | | | | | | |
| 2 | L Lacko | 6$^3$ | 3 | | | | | | | | | | | | | | | |