# 2018 Chengdu Open – Singles

Denis Istomin was the defending champion, but chose not to participate this year.
Bernard Tomic won the title, defeating Fabio Fognini in the final, 6–1, 3–6, 7–6$^{(9–7)}$.

## Seeds

The top four seeds receive a bye into the second round.
* Fabio Fognini (final)
* Chung Hyeon (second round)
* Nikoloz Basilashvili (second round)
* Adrian Mannarino (second round)
* Gaël Monfils (first round)
* Matthew Ebden (quarterfinals)
* João Sousa (semifinals)
* Tennys Sandgren (first 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 | Finals | Finals | Finals | Finals | Finals |
| 1 | Fabio Fognini | 6$^5$ | 6 | 6 | | | | | |
| | Taylor Fritz | 7$^7$ | 0 | 3 | | | | | |
| | Taylor Fritz | 7$^7$ | 0 | 3 | 1 | Fabio Fognini | 1 | 6 | 6$^7$ |
| | | | | | Q | Bernard Tomic | 6 | 3 | 7$^9$ |
| 7 | João Sousa | 4 | 4 | | Q | Bernard Tomic | 6 | 3 | 7$^9$ |
| Q | Bernard Tomic | 6 | 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 | F Fognini | 6 | 7$^7$ | | | | | | | | | | |
| | M Zverev | 3 | 0$^r$ | | Q | R Bemelmans | 4 | 6$^2$ | | | | | | | | | | |
| Q | R Bemelmans | 6 | 2 | | | | | | | 1 | F Fognini | 6 | 6 | | | | | |
| Q | P Gunneswaran | 3 | 4 | | | | | | | 6 | M Ebden | 4 | 2 | | | | | |
| | M Berrettini | 6 | 6 | | | M Berrettini | 3 | 6 | 6$^3$ | | | | | | | | | |
| | E Donskoy | 3 | 4 | | 6 | M Ebden | 6 | 3 | 7$^7$ | | | | | | | | | |
| 6 | M Ebden | 6 | 6 | | | | | | | | | | | 1 | F Fognini | 6$^5$ | 6 | 6 |
| | | | | | | | | | | | | | | | T Fritz | 7$^7$ | 0 | 3 |
| | | | | | 3 | N Basilashvili | 1 | 4 | | | | | | | | | | |
| | G Pella | 6$^6$ | 1 | | | S Querrey | 6 | 6 | | | | | | | | | | |
| | S Querrey | 7$^8$ | 6 | | | | | | | | S Querrey | 6$^1$ | 5 | | | | | |
| | T Fritz | 3 | 6 | 6 | | | | | | | T Fritz | 7$^7$ | 7 | | | | | |
| WC | C-h Tseng | 6 | 3 | 4 | | T Fritz | 7 | 6 | | | | | | | | | | |
| | M Kukushkin | 6 | 6 | | | M Kukushkin | 5 | 1 | | | | | | | | | | |
| 8 | T Sandgren | 4 | 3 | | | | | | | | | | | | | | | |

### 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 |
| 7 | J Sousa | 7$^7$ | 6$^7$ | 6 | | | | | | | | | | | | | | |
| | T Smyczek | 6$^1$ | 7$^9$ | 3 | 7 | J Sousa | 6$^4$ | 6 | 7$^7$ | | | | | | | | | |
| | R Albot | 3 | 4 | | | V Pospisil | 7$^7$ | 4 | 6$^0$ | | | | | | | | | |
| | V Pospisil | 6 | 6 | | | | | | | 7 | J Sousa | 6 | 3 | 6 | | | | |
| | M Baghdatis | 6$^7$ | 6 | 2 | | | | | | | M Jaziri | 1 | 6 | 3 | | | | |
| | M Jaziri | 7$^9$ | 1 | 6 | | M Jaziri | 6 | 7$^7$ | | | | | | | | | | |
| | | | | | 4 | A Mannarino | 3 | 6$^5$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | 7 | J Sousa | 4 | 4 |
| 5 | G Monfils | 6 | 2 | 1 | | | | | | | | | | | Q | B Tomic | 6 | 6 |
| Q | L Harris | 3 | 6 | 6 | Q | L Harris | 6$^5$ | 6 | 6$^6$ | | | | | | | | | |
| | B Klahn | 7$^8$ | 6$^3$ | 2 | Q | B Tomic | 7$^7$ | 2 | 7$^8$ | | | | | | | | | |
| Q | B Tomic | 6$^6$ | 7$^7$ | 6 | | | | | | Q | B Tomic | 6 | 6 | | | | | |
| LL | F Auger-Aliassime | 6 | 6$^2$ | 6 | | | | | | LL | F Auger-Aliassime | 2 | 4 | | | | | |
| WC | Y Wu | 3 | 7$^7$ | 1 | LL | F Auger-Aliassime | 7$^7$ | 5 | 6 | | | | | | | | | |
| | | | | | 2 | H Chung | 6$^2$ | 7 | 4 | | | | | | | | | |

## Qualifying
### Seeds

* Jason Kubler (first round)
* Ruben Bemelmans (qualified)
* Bernard Tomic (qualified)
* Lloyd Harris (qualified)
* Félix Auger-Aliassime (qualifying competition, lucky loser)
* Ernests Gulbis (first round)
* Prajnesh Gunneswaran (qualified)
* Miomir Kecmanović (qualifying competition)

### Qualifiers

* Prajnesh Gunneswaran
* Ruben Bemelmans
* Bernard Tomic
* Lloyd Harris

### Lucky loser

* Félix Auger-Aliassime

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Jason Kubler | 4 | 6 | 3 | | | | |
| | Hiroki Moriya | 6 | 3 | 6 | | | | |
| | Hiroki Moriya | 6 | 3 | 6 | | Hiroki Moriya | 4 | 3 |
| | | | | | 7 | Prajnesh Gunneswaran | 6 | 6 |
| WC | Xia Zihao | 2 | 5 | | 7 | Prajnesh Gunneswaran | 6 | 6 |
| 7 | Prajnesh Gunneswaran | 6 | 7 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Ruben Bemelmans | 6 | 6 | | | | |
| WC | Te Rigele | 3 | 3 | | | | |
| WC | Te Rigele | 3 | 3 | 2 | Ruben Bemelmans | 7$^7$ | 6 |
| | | | | 5 | Félix Auger-Aliassime | 6$^4$ | 2 |
| Alt | Yusuke Takahashi | 3 | 2 | 5 | Félix Auger-Aliassime | 6$^4$ | 2 |
| 5 | Félix Auger-Aliassime | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Bernard Tomic | 6 | 6 | | | | | |
| | Renta Tokuda | 3 | 4 | | | | | |
| | Renta Tokuda | 3 | 4 | 3 | Bernard Tomic | 6$^5$ | 6 | 7$^7$ |
| | | | | PR | Egor Gerasimov | 7$^7$ | 3 | 6$^4$ |
| PR | Egor Gerasimov | 6 | 6 | PR | Egor Gerasimov | 7$^7$ | 3 | 6$^4$ |
| 6 | Ernests Gulbis | 4 | 1 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Lloyd Harris | 6 | 7 | | | | |
| | Ivan Nedelko | 2 | 5 | | | | |
| | Ivan Nedelko | 2 | 5 | 4 | Lloyd Harris | 6 | 6 |
| | | | | 8 | Miomir Kecmanović | 4 | 2 |
| | Yosuke Watanuki | 0 | 2 | 8 | Miomir Kecmanović | 4 | 2 |
| 8 | Miomir Kecmanović | 6 | 6 | | | | |