# 2019 Chengdu Open – Singles

Bernard Tomic was the defending champion, but retired in the first round of the qualifying tournament against Denis Istomin.
Pablo Carreño Busta won the title, defeating Alexander Bublik in the final, 6–7$^{(5–7)}$, 6–4, 7–6$^{(7–3)}$.

## Seeds

The top four seeds received a bye into the second round.
* John Isner (second round)
* Félix Auger-Aliassime (second round)
* Benoît Paire (second round)
* Grigor Dimitrov (quarterfinals)
* Dušan Lajović (second round)
* Taylor Fritz (first round)
* Kyle Edmund (first round)
* Denis Shapovalov (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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 8 | Denis Shapovalov | 3 | 4 | | | | |
| | Pablo Carreño Busta | 6 | 6 | | | | |
| | Pablo Carreño Busta | 6 | 6 | Pablo Carreño Busta | 6$^5$ | 6 | 7$^7$ |
| | | | | Alexander Bublik | 7$^7$ | 4 | 6$^3$ |
| | Alexander Bublik | 7$^8$ | 6 | Alexander Bublik | 7$^7$ | 4 | 6$^3$ |
| LL | Lloyd Harris | 6$^6$ | 4 | | | | |

### 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 | J Isner | 7$^{13}$ | 6$^5$ | 6$^4$ | | | | | | | | | |
| WC | Z Li | 6 | 2 | 3 | SE | E Gerasimov | 6$^{11}$ | 7$^7$ | 7$^7$ | | | | | | | | | |
| SE | E Gerasimov | 4 | 6 | 6 | | | | | | SE | E Gerasimov | 4 | 6 | 3 | | | | |
| Q | B Klahn | 4 | 6 | 7$^7$ | | | | | | 8 | D Shapovalov | 6 | 3 | 6 | | | | |
| Q | J Jung | 6 | 3 | 6$^2$ | Q | B Klahn | 6 | 3 | 6$^3$ | | | | | | | | | |
| | R Berankis | 4 | 3 | | 8 | D Shapovalov | 3 | 6 | 7$^7$ | | | | | | | | | |
| 8 | D Shapovalov | 6 | 6 | | | | | | | | | | | | 8 | D Shapovalov | 3 | 4 |
| | | | | | | | | | | | | | | | | P Carreño Busta | 6 | 6 |
| | | | | | 3 | B Paire | 3 | 6 | 3 | | | | | | | | | |
| | P Carreño Busta | 6 | 6 | | | P Carreño Busta | 6 | 3 | 6 | | | | | | | | | |
| | R Albot | 3 | 4 | | | | | | | | P Carreño Busta | 7 | 6 | | | | | |
| Q | A Popyrin | 2 | 5 | | | | | | | | C Garín | 5 | 2 | | | | | |
| | F Verdasco | 6 | 7 | | | F Verdasco | 3 | 6 | 3 | | | | | | | | | |
| | C Garín | 6 | 6 | | | C Garín | 6 | 3 | 6 | | | | | | | | | |
| 7 | K Edmund | 3 | 2 | | | | | | | | | | | | | | | |

### 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 |
| 6 | T Fritz | 6 | 5 | 5 | | | | | | | | | | | | | | |
| | A Bublik | 4 | 7 | 7 | | A Bublik | 6 | 7 | | | | | | | | | | |
| PR | V Pospisil | 3 | 6 | 5 | | J Thompson | 4 | 5 | | | | | | | | | | |
| | J Thompson | 6 | 3 | 7 | | | | | | | A Bublik | 5 | 7$^{11}$ | 7$^7$ | | | | |
| | D Evans | 6 | 4 | 7$^7$ | | | | | | 4 | G Dimitrov | 7 | 6$^9$ | 6$^3$ | | | | |
| WC | Y Bai | 3 | 6 | 6$^4$ | | D Evans | 5 | 5 | | | | | | | | | | |
| | | | | | 4 | G Dimitrov | 7 | 7 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | A Bublik | 7$^8$ | 6 |
| 5 | D Lajović | 6 | 4 | 6 | | | | | | | | | | | LL | L Harris | 6$^6$ | 4 |
| | JI Londero | 2 | 6 | 4 | 5 | D Lajović | 3 | 3 | | | | | | | | | | |
| | M Fucsovics | 6 | 4 | 2 | LL | L Harris | 6 | 6 | | | | | | | | | | |
| LL | L Harris | 4 | 6 | 6 | | | | | | LL | L Harris | 6$^5$ | 6 | 6 | | | | |
| WC | H Chung | 6 | 3 | 4 | | | | | | | J Sousa | 7$^7$ | 3 | 4 | | | | |
| | J Sousa | 1 | 6 | 6 | | J Sousa | 6 | 6$^5$ | 6 | | | | | | | | | |
| | | | | | 2 | F Auger-Aliassime | 4 | 7$^7$ | 4 | | | | | | | | | |

## Qualifying
### Seeds

* Kamil Majchrzak (qualified)
* Peter Gojowczyk (withdrew, accepted into Zhuhai main draw)
* Alexei Popyrin (qualified)
* Bradley Klahn (qualified)
* Bernard Tomic (first round, retired)
* Lloyd Harris (qualifying competition, lucky loser)
* Jason Jung (qualified)
* James Duckworth (qualifying competition)

### Qualifiers

* Kamil Majchrzak (withdrew)
* Jason Jung
* Alexei Popyrin
* Bradley Klahn

### Lucky loser

* Lloyd Harris

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Kamil Majchrzak | 6 | 7 | | | | | |
| | Max Purcell | 3 | 5 | | | | | |
| | Max Purcell | 3 | 5 | 1 | Kamil Majchrzak | 4 | 7$^7$ | 6 |
| | | | | 8 | James Duckworth | 6 | 6$^5$ | 4 |
| | Harry Bourchier | 3 | 4 | 8 | James Duckworth | 6 | 6$^5$ | 4 |
| 8 | James Duckworth | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Luke Saville | 6 | 7 | | | | | |
| | Andrew Harris | 4 | 5 | | | | | |
| | Andrew Harris | 4 | 5 | | Alt | Luke Saville | 4 | 2 |
| | | | | | 7 | Jason Jung | 6 | 6 |
| | Akira Santillan | 5 | 6 | 6$^2$ | 7 | Jason Jung | 6 | 6 |
| 7 | Jason Jung | 7 | 3 | 7$^7$ | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexei Popyrin | 7$^7$ | 6 | | | | | |
| WC | Gao Xin | 6$^2$ | 2 | | | | | |
| WC | Gao Xin | 6$^2$ | 2 | 3 | Alexei Popyrin | 6 | 3 | 7 |
| | | | | | Denis Istomin | 3 | 6 | 5 |
| | Denis Istomin | 6 | 3 | | Denis Istomin | 3 | 6 | 5 |
| 5 | Bernard Tomic | 1 | 1$^r$ | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Bradley Klahn | 4 | 6 | 6 | | | | |
| | Hiroki Moriya | 6 | 3 | 4 | | | | |
| | Hiroki Moriya | 6 | 3 | 4 | 4 | Bradley Klahn | 6 | 7$^7$ |
| | | | | | 6 | Lloyd Harris | 3 | 6$^0$ |
| WC | Cui Jie | 7$^7$ | 3 | 0 | 6 | Lloyd Harris | 3 | 6$^0$ |
| 6 | Lloyd Harris | 6$^4$ | 6 | 6 | | | | |