# 2017 Chengdu Challenger – Singles

Jason Jung was the defending champion but chose not to defend his title.
Lu Yen-hsun won the title after defeating Evgeny Donskoy 6–3, 6–4 in the final.

## Seeds

* Lu Yen-hsun (champion)
* Evgeny Donskoy (final)
* Lee Duck-hee (first round)
* Nikola Milojević (semifinals)
* Ričardas Berankis (first round)
* Kwon Soon-woo (first round)
* Hiroki Moriya (second round)
* Wu Di (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 | 3 | 6 | | | | |
| WC | Wu Yibing | 1 | 6 | 4 | | | | |
| WC | Wu Yibing | 1 | 6 | 4 | 1 | Lu Yen-hsun | 6 | 6 |
| | | | | | 2 | Evgeny Donskoy | 3 | 4 |
| 4 | Nikola Milojević | 6$^6$ | 3 | | 2 | Evgeny Donskoy | 3 | 4 |
| 2 | Evgeny Donskoy | 7$^8$ | 6 | | | | | |

### 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 | Y-h Lu | 6$^2$ | 6 | 6 | | | | | | | | | | | | | | |
| | M Vilella Martínez | 7$^7$ | 3 | 0 | 1 | Y-h Lu | 6 | 6 | | | | | | | | | | |
| PR | F Dustov | 2 | 4 | | Q | Y He | 1 | 1 | | | | | | | | | | |
| Q | Y He | 6 | 6 | | | | | | | 1 | Y-h Lu | 7$^{10}$ | 3 | | | | | |
| | D Kelly | 4 | 5 | | | | | | | | M Kecmanović | 6$^8$ | 0$^r$ | | | | | |
| | M Kecmanović | 6 | 7 | | | M Kecmanović | 6 | 6 | | | | | | | | | | |
| WC | Zh Zhang | 6$^4$ | 6 | 6 | WC | Zh Zhang | 3 | 3 | | | | | | | | | | |
| 6 | S-w Kwon | 7$^7$ | 4 | 1 | | | | | | | | | | 1 | Y-h Lu | 6 | 3 | 6 |
| 3 | D-h Lee | 4 | 3 | | | | | | | | | | | WC | Y Wu | 1 | 6 | 4 |
| | Z Li | 6 | 6 | | | Z Li | 2 | 7$^7$ | 6$^5$ | | | | | | | | | |
| | T Niki | 3 | 4 | | WC | Y Wu | 6 | 6$^5$ | 7$^7$ | | | | | | | | | |
| WC | Y Wu | 6 | 6 | | | | | | | WC | Y Wu | 6 | 6 | | | | | |
| | Y Takahashi | 6 | 6 | | | | | | | | Y Takahashi | 3 | 1 | | | | | |
| | A Kudryavtsev | 4 | 2 | | | Y Takahashi | 6 | 7 | | | | | | | | | | |
| Q | K Takeuchi | 4 | 2 | | 7 | H Moriya | 3 | 5 | | | | | | | | | | |
| 7 | H Moriya | 6 | 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 |
| 5 | R Berankis | 6$^6$ | 6$^4$ | | | | | | | | | | | | | |
| PR | J Ward | 7$^8$ | 7$^7$ | | PR | J Ward | 6 | 6 | | | | | | | | |
| | S Barry | 6 | 5 | 2$^r$ | Q | S Rawat | 3 | 1 | | | | | | | | |
| Q | Sidharth Rawat | 3 | 7 | 3 | | | | | PR | J Ward | 6$^5$ | 3 | | | | |
| Q | Y-s Chung | 4 | 6 | 7 | | | | | 4 | N Milojević | 7$^7$ | 6 | | | | |
| | Shuichi Sekiguchi | 6 | 3 | 5 | Q | Y-s Chung | 6$^4$ | 4 | | | | | | | | |
| | Yuya Kibi | 3 | 3 | | 4 | N Milojević | 7$^7$ | 6 | | | | | | | | |
| 4 | N Milojević | 6 | 6 | | | | | | | | | | 4 | N Milojević | 6$^6$ | 3 |
| 8 | D Wu | 7 | 6 | | | | | | | | | | 2 | E Donskoy | 7$^8$ | 6 |
| | D Zhyrmont | 5 | 1 | | 8 | D Wu | 3 | 5 | | | | | | | | |
| WC | X Gao | 7 | 7$^7$ | | WC | X Gao | 6 | 7 | | | | | | | | |
| | Kim Cheong-eui | 5 | 6$^3$ | | | | | | WC | X Gao | 2 | 4 | | | | |
| | S Balaji | 6 | 3 | 4 | | | | | 2 | E Donskoy | 6 | 6 | | | | |
| | T Chen | 3 | 6 | 6 | | T Chen | 2 | 2 | | | | | | | | |
| WC | F Sun | 6$^0$ | 2 | | 2 | E Donskoy | 6 | 6 | | | | | | | | |
| 2 | E Donskoy | 7$^7$ | 6 | | | | | | | | | | | | | |