# 2013 Beijing International Challenger – Men's singles

Grega Žemlja was the defending champion, but chose not to compete. Top seeded Lu Yen-Hsun beat Go Soeda 6–2, 6–4, to claim the title.

## Seeds

* Lu Yen-Hsun (champion)
* Go Soeda (final)
* Zhang Ze (semifinals)
* Tatsuma Ito (first round)
* Wu Di (quarterfinals)
* Hiroki Moriya (quarterfinals)
* Danai Udomchoke (first round)
* Christopher Rungkat (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 |
| 1 | Lu Yen-Hsun | 6 | 6 | | | | | |
| | Hiroki Kondo | 3 | 0 | | | | | |
| | Hiroki Kondo | 3 | 0 | | 1 | Lu Yen-Hsun | 6 | 6 |
| | | | | | 2 | Go Soeda | 2 | 4 |
| 3 | Ze Zhang | 7$^7$ | 4 | 5 | 2 | Go Soeda | 2 | 4 |
| 2 | Go Soeda | 6$^5$ | 6 | 7 | | | | |

### Top half

| First round | 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 |
| 1 | Y-h Lu | 6 | 6 | | | | | | | | | | | | | | |
| | M Gong | 1 | 4 | | 1 | Y-h Lu | 6 | 3 | | | | | | | | | |
| | T Matsui | 2 | 6$^3$ | | WC | Y Bai | 0 | 0$^r$ | | | | | | | | | |
| WC | Y Bai | 6 | 7$^7$ | | | | | | 1 | Y-h Lu | 4 | 7 | 6 | | | | |
| | A Sitak | 3 | 2 | | | | | | 5 | D Wu | 6 | 5 | 0 | | | | |
| | V Vardhan | 6 | 6 | | | V Vardhan | 3 | 2 | | | | | | | | | |
| | R Jebavý | 2 | 1 | | 5 | D Wu | 6 | 6 | | | | | | | | | |
| 5 | D Wu | 6 | 6 | | | | | | | | | | | 1 | Y-h Lu | 6 | 6 |
| 4 | T Ito | 4 | 3 | | | | | | | | | | | | H Kondo | 3 | 0 |
| | H Kondo | 6 | 6 | | | H Kondo | 6 | 0 | | | | | | | | | |
| | K Takeuchi | 2 | 6 | 4 | PR | K Hensel | 4 | 1$^r$ | | | | | | | | | |
| PR | K Hensel | 6 | 4 | 6 | | | | | | H Kondo | 7$^7$ | 6 | | | | | |
| Q | J-c Hung | 4 | 2 | | | | | | Q | J-w Na | 6$^3$ | 4 | | | | | |
| Q | J-w Na | 6 | 6 | | Q | J-w Na | 6 | 6 | | | | | | | | | |
| WC | C Wang | 6$^4$ | 6 | 3 | 8 | C Rungkat | 1 | 1 | | | | | | | | | |
| 8 | C Rungkat | 7$^7$ | 0 | 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 | Semifinals |
| 7 | D Udomchoke | 4 | 6 | 6$^2$ | | | | | | | | | | | | | | | |
| | J Statham | 6 | 3 | 7$^7$ | | J Statham | 6 | 6 | | | | | | | | | | | |
| | L Saville | 6 | 5 | 4 | | Yuichi Ito | 3 | 3 | | | | | | | | | | | |
| | Yuichi Ito | 3 | 7 | 6 | | | | | | | J Statham | 1 | 5 | | | | | | |
| WC | Ning Yuqing | 6 | 3 | 1 | | | | | | 3 | Z Zhang | 6 | 7 | | | | | | |
| | R Ortega Olmedo | 2 | 6 | 6 | | R Ortega Olmedo | 5 | 2 | | | | | | | | | | | |
| Q | W-s Jun | 3 | 1 | | 3 | Z Zhang | 7 | 6 | | | | | | | | | | | |
| 3 | Z Zhang | 6 | 6 | | | | | | | | | | | | 3 | Z Zhang | 7$^7$ | 4 | 5 |
| 6 | H Moriya | 6 | 6 | | | | | | | | | | | | 2 | G Soeda | 6$^5$ | 6 | 7 |
| | N Ćirić | 4 | 2 | | 6 | H Moriya | 6 | 6$^3$ | 6 | | | | | | | | | | |
| | Shuichi Sekiguchi | 4 | 6 | 6 | | S Sekiguchi | 4 | 7$^7$ | 3 | | | | | | | | | | |
| WC | B Ouyang | 6 | 3 | 4 | | | | | | 6 | H Moriya | 6 | 4 | 1 | | | | | |
| | L Zhe | 6 | 6 | | | | | | | 2 | G Soeda | 3 | 6 | 6 | | | | | |
| Q | Erik Crepaldi | 3 | 4 | | | L Zhe | 1 | 3 | | | | | | | | | | | |
| | Chang Yu | 4 | 2 | | 2 | G Soeda | 6 | 6 | | | | | | | | | | | |
| 2 | G Soeda | 6 | 6 | | | | | | | | | | | | | | | | |