# 2013 Shanghai Challenger – Singles

Lu Yen-hsun was the defending champion but decided not to participate. Yūichi Sugita defeated Hiroki Moriya 6–3, 6–3 in the final.

## Seeds

* Blaž Kavčič (second round)
* Jimmy Wang (withdrew)
* Yūichi Sugita (champion)
* Tatsuma Ito (quarterfinals)
* Hiroki Moriya (final)
* Zhang Ze (semifinals)
* Malek Jaziri (quarterfinals)
* Huang Liang-chi (first round)
* Benjamin Mitchell (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 | Final | Final | Final | Final |
| 6 | Zhang Ze | 3 | 1 | | | | |
| 3 | Yūichi Sugita | 6 | 6 | | | | |
| 3 | Yūichi Sugita | 6 | 6 | 3 | Yūichi Sugita | 6 | 6 |
| | | | | 5 | Hiroki Moriya | 3 | 3 |
| 5 | Hiroki Moriya | 6 | 6 | 5 | Hiroki Moriya | 3 | 3 |
| Q | Yasutaka Uchiyama | 1 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | B Kavčič | 6 | 6 | | | | | | | | | | | | | | | |
| | A Bolt | 4 | 3 | | 1 | B Kavčič | 1 | 7$^7$ | 3 | | | | | | | | | |
| | D Wu | 6 | 6 | | | D Wu | 6 | 6$^4$ | 6 | | | | | | | | | |
| | M Gong | 2 | 3 | | | | | | | | D Wu | 6 | 2 | 6 | | | | |
| | J-w Na | 7 | 6 | | | | | | | 6 | Z Zhang | 2 | 6 | 7 | | | | |
| | Y-k Lim | 6$^1$ | 3 | | | J-w Na | 6$^4$ | 2 | | | | | | | | | | |
| | H Kondo | 6 | 1 | 2 | 6 | Z Zhang | 7$^7$ | 6 | | | | | | | | | | |
| 6 | Z Zhang | 4 | 6 | 6 | | | | | | | | | | | 6 | Z Zhang | 3 | 1 |
| 3 | Y Sugita | 6 | 7$^7$ | | | | | | | | | | | | 3 | Y Sugita | 6 | 6 |
| WC | C-f Wang | 2 | 6$^5$ | | 3 | Y Sugita | 6 | 4 | 6 | | | | | | | | | |
| WC | C Wang | 6$^0$ | 2 | | | M Venus | 1 | 6 | 3 | | | | | | | | | |
| | M Venus | 7$^7$ | 6 | | | | | | | 3 | Y Sugita | 3 | 6 | 6 | | | | |
| | A Sitak | 6$^4$ | 3 | | | | | | | 7 | M Jaziri | 6 | 3 | 2 | | | | |
| | J Statham | 7$^7$ | 6 | | | J Statham | 6$^4$ | 6$^5$ | | | | | | | | | | |
| | Shuichi Sekiguchi | 4 | 5 | | 7 | M Jaziri | 7$^7$ | 7$^7$ | | | | | | | | | | |
| 7 | M Jaziri | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | H Moriya | 6$^3$ | 7 | 6 | | | | | | | | | | | | | | |
| LL | Wang Riukai | 7$^7$ | 5 | 2 | 5 | H Moriya | 6 | 6 | | | | | | | | | | |
| WC | B Ouyang | 4 | 3 | | | A Kudryavtsev | 3 | 2 | | | | | | | | | | |
| | A Kudryavtsev | 6 | 6 | | | | | | | 5 | H Moriya | 4 | 6 | 6 | | | | |
| Q | J-s Nam | 3 | 4 | | | | | | | 4 | T Ito | 6 | 4 | 4 | | | | |
| | T-h Yang | 6 | 6 | | | T-h Yang | 1 | 2 | | | | | | | | | | |
| | S-y Jeong | 7 | 6$^0$ | 2 | 4 | T Ito | 6 | 6 | | | | | | | | | | |
| 4 | T Ito | 5 | 7$^7$ | 6 | | | | | | | | | | | 5 | H Moriya | 6 | 6 |
| 8 | L-c Huang | 3 | 4 | | | | | | | | | | | | Q | Y Uchiyama | 1 | 3 |
| Q | T Matsui | 6 | 6 | | Q | T Matsui | 6 | 2 | 6 | | | | | | | | | |
| | D Udomchoke | 6 | 3 | 4 | | T Chen | 3 | 6 | 4 | | | | | | | | | |
| | T Chen | 4 | 6 | 6 | | | | | | Q | T Matsui | 3 | 0 | r | | | | |
| Q | Y Uchiyama | 3 | 6 | 7$^9$ | | | | | | Q | Y Uchiyama | 6 | 4 | | | | | |
| Q | Zh Zhang | 6 | 4 | 6$^7$ | Q | Y Uchiyama | 4 | 7$^{11}$ | 6 | | | | | | | | | |
| WC | Y Bai | 1 | 1 | | 9 | B Mitchell | 6 | 6$^9$ | 4 | | | | | | | | | |
| 9 | B Mitchell | 6 | 6 | | | | | | | | | | | | | | | |