# 2019 Chengdu Challenger – Singles

Zhang Ze was the defending champion but lost in the third round to Bai Yan.
Chung Hyeon won the title after defeating Yūichi Sugita 6–4, 6–3 in the final.

## Seeds

All seeds receive a bye into the second round.
* James Duckworth (quarterfinals)
* Chung Hyeon (champion)
* Tatsuma Ito (semifinals)
* Zhang Ze (third round)
* Chung Yun-seong (second round)
* Yūichi Sugita (final)
* Gonçalo Oliveira (third round)
* Saketh Myneni (third round)
* Wu Tung-lin (second round)
* Nam Ji-sung (quarterfinals)
* Zhang Zhizhen (quarterfinals)
* Yang Tsung-hua (second round)
* Brydan Klein (second round, retired)
* Wu Di (third round)
* Xia Zihao (second round)
* Bai Yan (semifinals)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | James Duckworth | 6 | 6$^5$ | 4 | | | | | | | | |
| 6 | Yūichi Sugita | 3 | 7$^7$ | 6 | | | | | | | | |
| 6 | Yūichi Sugita | 3 | 7$^7$ | 6 | 6 | Yūichi Sugita | 6 | 6 | | | | |
| | | | | | 16 | Bai Yan | 1 | 3 | | | | |
| 16 | Bai Yan | 2 | 7$^7$ | 6 | 16 | Bai Yan | 1 | 3 | | | | |
| 11 | Zhang Zhizhen | 6 | 6$^1$ | 4 | | | | | | | | |
| 11 | Zhang Zhizhen | 6 | 6$^1$ | 4 | | | | | 6 | Yūichi Sugita | 4 | 3 |
| | | | | | | | | | 2 | Chung Hyeon | 6 | 6 |
| | Shuichi Sekiguchi | 2 | 1 | | | | | | | | | | 2 | Chung Hyeon | 6 | 6 |
| 3 | Tatsuma Ito | 6 | 6 | | | | | | | | | |
| 3 | Tatsuma Ito | 6 | 6 | | 3 | Tatsuma Ito | 2 | 6$^4$ | | | | |
| | | | | | 2 | Chung Hyeon | 6 | 7$^7$ | | | | |
| 10 | Nam Ji-sung | 6$^2$ | 6 | 3 | 2 | Chung Hyeon | 6 | 7$^7$ | | | | |
| 2 | Chung Hyeon | 7$^7$ | 1 | 6 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | J Duckworth | 6$^5$ | 7$^7$ | 6 | | | | | | | | | |
| | R Hua | 6 | 6 | | R Hua | 7$^7$ | 6$^4$ | 3 | | | | | | | | | |
| ITF | V Orlov | 4 | 3 | | | | | | 1 | J Duckworth | 6 | 6 | | | | | |
| ITF | E Zhu | 3 | 3 | | | | | | | T Fancutt | 2 | 2 | | | | | |
| | T Fancutt | 6 | 6 | | T Fancutt | 7$^7$ | 6 | | | | | | | | | | |
| | | | | 15 | Xia Zihao | 6$^1$ | 4 | | | | | | | | | | |
| | | | | | | | | | | | | | 1 | J Duckworth | 6 | 6$^5$ | 4 |
| | | | | | | | | | | | | | 6 | Y Sugita | 3 | 7$^7$ | 6 |
| | | | | 9 | T-l Wu | 6 | 6$^5$ | 2 | | | | | | | | | |
| | H Heliövaara | 6 | 6 | | H Heliövaara | 3 | 7$^7$ | 6 | | | | | | | | | |
| ITF | CJ Lock | 3 | 2 | | | | | | | H Heliövaara | 6$^2$ | 0$^r$ | | | | | |
| | J Cui | 6 | 6 | | | | | | 6 | Y Sugita | 7$^7$ | 0 | | | | | |
| | Alafia Ayeni | 2 | 1 | | J Cui | 1 | 4 | | | | | | | | | | |
| | | | | 6 | Y Sugita | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 4 | Ze Zhang | 6 | 4 | 6 | | | | | | | | | | |
| | L Catarina | 6 | 6 | | L Catarina | 3 | 6 | 2 | | | | | | | | | | |
| WC | Li Wenmao | 1 | 2 | | | | | | 4 | Ze Zhang | 6$^3$ | 7$^8$ | 3 | | | | | |
| ITF | Issei Okamura | 1 | 2 | | | | | | 16 | Y Bai | 7$^7$ | 6$^6$ | 6 | | | | | |
| | Y Takahashi | 6 | 6 | | Y Takahashi | 4 | 2 | | | | | | | | | | | |
| | | | | 16 | Y Bai | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | 16 | Y Bai | 2 | 7$^7$ | 6 |
| | | | | | | | | | | | | | | 11 | Zh Zhang | 6 | 6$^1$ | 4 |
| | | | | 11 | Zh Zhang | 7$^7$ | 2 | 7 | | | | | | | | | | |
| | H Bourchier | 6 | 6 | | H Bourchier | 6$^5$ | 6 | 5 | | | | | | | | | | |
| | B Lock | 2 | 2 | | | | | | 11 | Zh Zhang | 6$^4$ | 7 | 7$^7$ | | | | | |
| | Manish Sureshkumar | 6$^5$ | 4 | | | | | | 8 | S Myneni | 7$^7$ | 5 | 6$^4$ | | | | | |
| Q | T Matsui | 7$^7$ | 6 | Q | T Matsui | 3 | 0$^r$ | | | | | | | | | | | |
| | | | | 8 | S Myneni | 6 | 0 | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | G Oliveira | 7$^7$ | 6 | | | | | | | | | | |
| | B Ellis | 6 | 3 | 6$^4$ | | A Kadhe | 6$^4$ | 3 | | | | | | | | | | |
| | A Kadhe | 1 | 6 | 7$^7$ | | | | | | 7 | G Oliveira | 4 | 6 | 4 | | | | |
| WC | Zheng Wei Qiang | 5 | 1 | | | | | | | | S Sekiguchi | 6 | 3 | 6 | | | | |
| | Shuichi Sekiguchi | 7 | 6 | | | S Sekiguchi | 6 | 6 | | | | | | | | | | |
| | | | | | 12 | T-h Yang | 4 | 4 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | S Sekiguchi | 2 | 1 |
| | | | | | | | | | | | | | | | 3 | T Ito | 6 | 6 |
| | | | | | 13 | B Klein | 7 | 6$^5$ | 2$^r$ | | | | | | | | | |
| | M Romios | 7$^9$ | 6 | | | M Romios | 5 | 7$^7$ | 4 | | | | | | | | | |
| | Sidharth Rawat | 6$^7$ | 4 | | | | | | | | M Romios | 2 | 1 | | | | | |
| WC | Wang Chukang | 6 | 0 | 0$^r$ | | | | | | 3 | T Ito | 6 | 6 | | | | | |
| | Makoto Ochi | 3 | 6 | 4 | | M Ochi | 4 | 3 | | | | | | | | | | |
| | | | | | 3 | T Ito | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | Y-s Chung | 3 | 6 | 2 | | | | | | | | | | |
| | D Kelly | 7$^7$ | 7$^7$ | | | D Kelly | 6 | 4 | 6 | | | | | | | | | | |
| | W Trongcharoenchaikul | 6$^2$ | 6$^4$ | | | | | | | | D Kelly | 6$^1$ | 3 | | | | | | |
| Q | M Gong | 3 | 7$^{11}$ | 7$^7$ | | | | | | 10 | J-s Nam | 7$^7$ | 6 | | | | | | |
| | M-k Song | 6 | 6$^9$ | 6$^2$ | Q | M Gong | 6$^2$ | 1 | | | | | | | | | | | |
| | | | | | 10 | J-s Nam | 7$^7$ | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 10 | J-s Nam | 6$^2$ | 6 | 3 |
| | | | | | | | | | | | | | | | 2 | Hy Chung | 7$^7$ | 1 | 6 |
| | | | | | 14 | D Wu | 6 | 6 | | | | | | | | | | | |
| WC | Chuh Wang | 7 | 6 | | WC | Chuh Wang | 3 | 3 | | | | | | | | | | | |
| | Laurent Rochette | 5 | 2 | | | | | | | 14 | D Wu | 6$^4$ | 7$^8$ | 3 | | | | | |
| WC | Liu Hanyi | 4 | 7$^8$ | 3 | | | | | | 2 | Hy Chung | 7$^7$ | 6$^6$ | 6 | | | | | |
| ITF | K Takeuchi | 6 | 6$^6$ | 6 | ITF | K Takeuchi | 3 | 2 | | | | | | | | | | | |
| | | | | | 2 | Hy Chung | 6 | 6 | | | | | | | | | | | |