# 2013 OEC Kaohsiung – Singles

Go Soeda was the defending champion but chose not to compete. Top seed Lu Yen-hsun won the title over Yuki Bhambri 6–4, 6–3.

## Seeds

* Lu Yen-hsun (champion)
* Jack Sock (semifinals)
* Michael Russell (first round, retired)
* Alejandro González (quarterfinals)
* Rajeev Ram (first round)
* Matthew Ebden (semifinals)
* Yūichi Sugita (second round)
* Jimmy Wang (quarterfinals, 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 | Semifinals | Final | Final | Final | Final |
| 1 | Lu Yen-hsun | 6 | 6 | | | | | |
| 6 | Matthew Ebden | 4 | 4 | | | | | |
| 6 | Matthew Ebden | 4 | 4 | | 1 | Lu Yen-hsun | 6 | 6 |
| | | | | | Q | Yuki Bhambri | 4 | 3 |
| Q | Yuki Bhambri | 6$^{10}$ | 7 | 6 | Q | Yuki Bhambri | 4 | 3 |
| 2 | Jack Sock | 7$^{12}$ | 5 | 3 | | | | |

### Top half

| 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 | Y-h Lu | 6 | 6 | | | | | | | | | | | | | |
| | D Udomchoke | 4 | 1 | 1 | Y-h Lu | 6 | 6 | | | | | | | | | |
| | L-C Huang | 6 | 4 | | L-C Huang | 1 | 2 | | | | | | | | | |
| | J-W Na | 0 | 2$^r$ | | | | | | 1 | Y-h Lu | 6 | 0 | | | | |
| | H Moriya | 6 | 6 | | | | | | 8 | J Wang | 4 | 0$^r$ | | | | |
| | T Chen | 3 | 3 | | H Moriya | 3 | 6 | 2 | | | | | | | | |
| Q | T Matsui | 1 | 4 | 8 | J Wang | 6 | 3 | 6 | | | | | | | | |
| 8 | J Wang | 6 | 6 | | | | | | | | | | 1 | Y-h Lu | 6 | 6 |
| 3 | M Russell | 7$^7$ | 1$^r$ | | | | | | | | | | 6 | M Ebden | 4 | 4 |
| | Y-K Lim | 6$^3$ | 4 | | Y-K Lim | 3 | 7$^9$ | 6 | | | | | | | | |
| WC | C-f Wang | 5 | 4 | WC | T-h Yang | 6 | 6$^7$ | 4 | | | | | | | | |
| WC | T-h Yang | 7 | 6 | | | | | | | Y-K Lim | 1 | 2 | | | | |
| WC | H-y Peng | 3 | 6$^3$ | | | | | | 6 | M Ebden | 6 | 6 | | | | |
| | S-Y Jeong | 6 | 7$^7$ | | S-Y Jeong | 3 | 2 | | | | | | | | | |
| | M Venus | 3 | 4 | 6 | M Ebden | 6 | 6 | | | | | | | | | |
| 6 | M Ebden | 6 | 6 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | Y Sugita | 6 | 6 | | | | | | | | | | | | | | |
| Q | Y Uchiyama | 2 | 4 | 7 | Y Sugita | 6$^5$ | 5 | | | | | | | | | | |
| Q | Y Bhambri | 7$^{10}$ | 6 | Q | Y Bhambri | 7$^7$ | 7 | | | | | | | | | | |
| | A Weintraub | 6$^8$ | 1 | | | | | Q | Y Bhambri | 6 | 2 | 6 | | | | | |
| | Shuichi Sekiguchi | 7$^8$ | 6 | | | | | 4 | A González | 3 | 6 | 2 | | | | | |
| WC | H-h Lee | 6$^6$ | 4 | | S Sekiguchi | 6$^5$ | 4 | | | | | | | | | | |
| Q | H Chung | 6$^4$ | 4 | 4 | A González | 7$^7$ | 6 | | | | | | | | | | |
| 4 | A González | 7$^7$ | 6 | | | | | | | | | | Q | Y Bhambri | 6$^{10}$ | 7 | 6 |
| 5 | R Ram | 3 | 4 | | | | | | | | | | 2 | J Sock | 7$^{12}$ | 5 | 3 |
| | G Jones | 6 | 6 | | G Jones | 4 | 4 | | | | | | | | | | |
| | H Kondo | 4 | 5 | | J-P Smith | 6 | 6 | | | | | | | | | | |
| | J-P Smith | 6 | 7 | | | | | | J-P Smith | 6$^7$ | 3 | | | | | | |
| | N Barrientos | 6 | 6 | | | | | 2 | J Sock | 7$^9$ | 6 | | | | | | |
| | J S Nam | 4 | 3 | | N Barrientos | 4 | 2 | | | | | | | | | | |
| | J Statham | 4 | 2 | 2 | J Sock | 6 | 6 | | | | | | | | | | |
| 2 | J Sock | 6 | 6 | | | | | | | | | | | | | | |