# 2019 ASB Classic – Men's singles

Roberto Bautista Agut was the defending champion, but withdrew before the tournament began.
Tennys Sandgren won his first title on the ATP Tour, defeating Cameron Norrie in the final, 6–4, 6–2.

## Seeds

The top four seeds received a bye into the second round.
* John Isner (second round)
* Fabio Fognini (quarterfinals)
* Marco Cecchinato (second round)
* Pablo Carreño Busta (quarterfinals)
* Roberto Bautista Agut (withdrew)
* Chung Hyeon (first round)
* Denis Shapovalov (first round)
* Gaël Monfils (withdrew)
* Steve Johnson (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 | Final | Final | Final | Final |
| WC | Cameron Norrie | 7 | 4 | 6 | | | | |
| | Jan-Lennard Struff | 5 | 6 | 3 | | | | |
| | Jan-Lennard Struff | 5 | 6 | 3 | WC | Cameron Norrie | 4 | 2 |
| | | | | | | Tennys Sandgren | 6 | 6 |
| | Tennys Sandgren | 6 | 6 | | | Tennys Sandgren | 6 | 6 |
| | Philipp Kohlschreiber | 4 | 2 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | J Isner | 6$^3$ | 6$^5$ | | | | | | | | | | |
| | M Copil | 6 | 3 | 4 | | T Fritz | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | T Fritz | 4 | 6 | 6 | | | | | | T Fritz | 6$^3$ | 3 | | | | | | |
| WC | C Norrie | 6 | 6 | | | | | | WC | C Norrie | 7$^7$ | 6 | | | | | | |
| | B Paire | 3 | 2 | | WC | C Norrie | 7$^7$ | 6 | | | | | | | | | | |
| | J Sousa | 4 | 6 | 6 | | J Sousa | 6$^5$ | 4 | | | | | | | | | | |
| 7 | D Shapovalov | 6 | 4 | 4 | | | | | | | | | | WC | C Norrie | 7 | 4 | 6 |
| | | | | | | | | | | | | | | | J-L Struff | 5 | 6 | 3 |
| | | | | | 4 | P Carreño Busta | 1 | | | | | | | | | | | |
| | R Haase | 2 | 1 | | WC | D Ferrer | 1$^r$ | | | | | | | | | | | |
| WC | D Ferrer | 6 | 6 | | | | | | 4 | P Carreño Busta | 6$^5$ | 7$^8$ | 6$^7$ | | | | | |
| | J-L Struff | 7$^7$ | 2 | | | | | | | J-L Struff | 7$^7$ | 6$^6$ | 7$^9$ | | | | | |
| LL | L Đere | 6$^5$ | 0$^r$ | | | J-L Struff | 6 | 6 | | | | | | | | | | |
| WC | R Statham | 7 | 6 | | WC | R Statham | 2 | 1 | | | | | | | | | | |
| 6 | H Chung | 5 | 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 | Semifinals | Semifinals | Semifinals |
| 9 | S Johnson | 5 | 3 | | | | | | | | | | | | | |
| | L Mayer | 7 | 6 | | | L Mayer | 5 | 7$^7$ | 6 | | | | | | | |
| Q | M McDonald | 3 | 4 | | | M Berrettini | 7 | 6$^5$ | 3 | | | | | | | |
| | M Berrettini | 6 | 6 | | | | | | | | L Mayer | 3 | 6$^5$ | | | |
| Q | M Marterer | 3 | 4 | | | | | | | | T Sandgren | 6 | 7$^7$ | | | |
| | T Sandgren | 6 | 6 | | | T Sandgren | 6 | 6 | | | | | | | | |
| | | | | | 3 | M Cecchinato | 3 | 3 | | | | | | | | |
| | | | | | | | | | | | | | | T Sandgren | 6 | 6 |
| LL | P Cuevas | 5 | 1 | | | | | | | | | | | P Kohlschreiber | 4 | 2 |
| Q | U Humbert | 7 | 6 | | Q | U Humbert | 4 | 4 | | | | | | | | |
| | P Kohlschreiber | 6 | 7$^7$ | | | P Kohlschreiber | 6 | 6 | | | | | | | | |
| Q | B Klahn | 4 | 6$^2$ | | | | | | | | P Kohlschreiber | 6 | 6 | | | |
| | G Pella | 1 | 6 | 2 | | | | | | 2 | F Fognini | 3 | 1 | | | |
| | P Gojowczyk | 6 | 3 | 6 | | P Gojowczyk | 2 | 6 | 6$^5$ | | | | | | | |
| | | | | | 2 | F Fognini | 6 | 3 | 7$^7$ | | | | | | | |

## Qualifying
### Seeds

* Albert Ramos Viñolas (withdrew, accepted into main draw in Sydney)
* Maximilian Marterer (qualified)
* Bradley Klahn (qualified)
* Mackenzie McDonald (qualified)
* Pablo Cuevas (qualifying competition, lucky loser)
* Cameron Norrie (Received wildcard into main draw)
* Laslo Đere (qualifying competition, lucky loser)
* Thomas Fabbiano (qualifying competition)

### Qualifiers

* Ugo Humbert
* Maximilian Marterer
* Bradley Klahn
* Mackenzie McDonald

### Lucky loser

* Laslo Đere
* Pablo Cuevas

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Franko Škugor | 3 | 4 | | | | | |
| | Ugo Humbert | 6 | 6 | | | | | |
| | Ugo Humbert | 6 | 6 | | | Ugo Humbert | 6 | 7$^7$ |
| | | | | | Alt | Roberto Marcora | 2 | 6$^3$ |
| WC | Ajeet Rai | 6 | 6$^5$ | 4 | Alt | Roberto Marcora | 2 | 6$^3$ |
| Alt | Roberto Marcora | 3 | 7$^7$ | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Maximilian Marterer | 7$^7$ | 6 | | | | |
| Alt | Daniel Masur | 6$^2$ | 1 | | | | |
| Alt | Daniel Masur | 6$^2$ | 1 | 2 | Maximilian Marterer | 6 | 6 |
| | | | | 8 | Thomas Fabbiano | 4 | 4 |
| WC | Finn Tearney | 3 | 4 | 8 | Thomas Fabbiano | 4 | 4 |
| 8 | Thomas Fabbiano | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Bradley Klahn | 7$^7$ | 6 | | | | | |
| Alt | Philipp Oswald | 6$^2$ | 4 | | | | | |
| Alt | Philipp Oswald | 6$^2$ | 4 | 3 | Bradley Klahn | 6$^4$ | 7$^7$ | 7$^7$ |
| | | | | 5 | Pablo Cuevas | 7$^7$ | 6$^3$ | 6$^1$ |
| | Stéphane Robert | 3 | 2 | 5 | Pablo Cuevas | 7$^7$ | 6$^3$ | 6$^1$ |
| 5 | Pablo Cuevas | 6 | 6 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Mackenzie McDonald | 6 | 7$^7$ | | | | |
| Alt | Tim Pütz | 2 | 6$^5$ | | | | |
| Alt | Tim Pütz | 2 | 6$^5$ | 4 | Mackenzie McDonald | 7 | 7$^7$ |
| | | | | 7 | Laslo Đere | 5 | 6$^3$ |
| | Horacio Zeballos | 5 | 2 | 7 | Laslo Đere | 5 | 6$^3$ |
| 7 | Laslo Đere | 7 | 6 | | | | |