# 2020 ASB Classic – Men's singles

Tennys Sandgren was the defending champion, but lost to John Isner in the second round.
Ugo Humbert won his first title on the ATP Tour, defeating Benoît Paire in the final, 7–6$^{(7–2)}$, 3–6, 7–6$^{(7–5)}$.

## Seeds

* Fabio Fognini (second round)
* Denis Shapovalov (quarterfinals)
* Karen Khachanov (second round)
* John Isner (semifinals)
* Benoît Paire (final)
* Hubert Hurkacz (semifinals)
* Adrian Mannarino (first round)
* Radu Albot (withdrew)

## Draw
### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 6 | Hubert Hurkacz | 4 | 7$^7$ | 2 | | | | | |
| 5 | Benoît Paire | 6 | 6$^1$ | 6 | | | | | |
| 5 | Benoît Paire | 6 | 6$^1$ | 6 | 5 | Benoît Paire | 6$^2$ | 6 | 6$^5$ |
| | | | | | | Ugo Humbert | 7$^7$ | 3 | 7$^7$ |
| 4 | John Isner | 6$^5$ | 4 | | | Ugo Humbert | 7$^7$ | 3 | 7$^7$ |
| | Ugo Humbert | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | F Fognini | 6 | 4 | 3 | | | | | | | | | | |
| | F López | 3 | 7$^7$ | 6 | | F López | 3 | 6 | 6 | | | | | | | | | | |
| | P Andújar | 6 | 6$^4$ | 4 | | | | | | | F López | 4 | 7$^{13}$ | 4 | | | | | |
| Q | M Ymer | 6 | 5 | 6 | | | | | | 6 | H Hurkacz | 6 | 6$^{11}$ | 6 | | | | | |
| | F Tiafoe | 4 | 7 | 1 | Q | M Ymer | 2 | 6$^2$ | | | | | | | | | | | |
| | L Sonego | 5 | 3 | | 6 | H Hurkacz | 6 | 7$^7$ | | | | | | | | | | | |
| 6 | H Hurkacz | 7 | 6 | | | | | | | | | | | | 6 | H Hurkacz | 4 | 7$^7$ | 2 |
| | | | | | | | | | | | | | | | 5 | B Paire | 6 | 6$^1$ | 6 |
| | | | | | 3 | K Khachanov | 6 | 3 | 3 | | | | | | | | | | |
| Q | M Mmoh | 6$^5$ | 4 | | | J Millman | 4 | 6 | 6 | | | | | | | | | | |
| | J Millman | 7$^7$ | 6 | | | | | | | | J Millman | 6 | 1 | 4 | | | | | |
| | C Norrie | 6$^3$ | 2 | | | | | | | 5 | B Paire | 3 | 6 | 6 | | | | | |
| Q | T Monteiro | 7$^7$ | 6 | | Q | T Monteiro | 6 | 4 | 3 | | | | | | | | | | |
| WC | J Sinner | 4 | 6 | 4 | 5 | B Paire | 4 | 6 | 6 | | | | | | | | | | |
| 5 | B Paire | 6 | 2 | 6 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 7 | A Mannarino | 6 | 4 | 4 | | | | | | | | | | | | | |
| | A Seppi | 3 | 6 | 6 | | A Seppi | 3 | 6$^4$ | | | | | | | | | |
| WC | A Davidovich Fokina | 2 | 6 | 3 | | K Edmund | 6 | 7$^7$ | | | | | | | | | |
| | K Edmund | 6 | 4 | 6 | | | | | | | K Edmund | 6$^5$ | 6$^5$ | | | | |
| | T Sandgren | 6 | 6 | | | | | | | 4 | J Isner | 7$^7$ | 7$^7$ | | | | |
| WC | M Venus | 4 | 3 | | | T Sandgren | 6$^3$ | 7$^7$ | 3 | | | | | | | | |
| | | | | | 4 | J Isner | 7$^7$ | 6$^1$ | 6 | | | | | | | | |
| | | | | | | | | | | | | | | 4 | J Isner | 6$^5$ | 4 |
| LL | L Mayer | 6$^6$ | 7$^{20}$ | 6$^2$ | | | | | | | | | | | U Humbert | 7$^7$ | 6 |
| | M Cecchinato | 7$^8$ | 6$^{18}$ | 7$^7$ | | M Cecchinato | 1 | 4 | | | | | | | | | |
| | U Humbert | 7$^7$ | 2 | 6 | | U Humbert | 6 | 6 | | | | | | | | | |
| | C Ruud | 6$^3$ | 6 | 3 | | | | | | | U Humbert | 7 | 6 | | | | |
| | J Sousa | 4 | 2 | | | | | | | 2 | D Shapovalov | 5 | 4 | | | | |
| Q | V Pospisil | 6 | 6 | | Q | V Pospisil | 4 | 6$^2$ | | | | | | | | | |
| | | | | | 2 | D Shapovalov | 6 | 7$^7$ | | | | | | | | | |

## Qualifying
### Seeds

* Hugo Dellien (first round)
* Marco Cecchinato (moved to main draw)
* Mikael Ymer (qualified)
* Thiago Monteiro (qualified)
* Leonardo Mayer (qualifying competition, lucky loser)
* Mackenzie McDonald (qualifying competition)
* Tatsuma Ito (qualifying competition)
* Vasek Pospisil (qualified)

### Qualifiers

* Michael Mmoh
* Vasek Pospisil
* Mikael Ymer
* Thiago Monteiro

### Lucky loser

* Leonardo Mayer

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Hugo Dellien | 0 | 1 | | | | | |
| Alt | Michael Mmoh | 6 | 6 | | | | | |
| Alt | Michael Mmoh | 6 | 6 | | Alt | Michael Mmoh | 6 | 6 |
| | | | | | 7 | Tatsuma Ito | 2 | 2 |
| | Shuichi Sekiguchi | 3 | 6 | 4 | 7 | Tatsuma Ito | 2 | 2 |
| 7 | Tatsuma Ito | 6 | 4 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | WC | Holger Rune | 5 | 1 |
| | | | | 8 | Vasek Pospisil | 7 | 6 |
| Alt | Kiranpal Pannu | 2 | 4 | 8 | Vasek Pospisil | 7 | 6 |
| 8 | Vasek Pospisil | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Mikael Ymer | 7 | 7$^7$ | | | | |
| Alt | Frank Dancevic | 5 | 6$^4$ | | | | |
| Alt | Frank Dancevic | 5 | 6$^4$ | 3 | Mikael Ymer | 6 | 6 |
| | | | | 6 | Mackenzie McDonald | 4 | 3 |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Thiago Monteiro | 6 | 6 | | | | | | |
| WC | Ajeet Rai | 4 | 2 | | | | | | |
| WC | Ajeet Rai | 4 | 2 | | 4 | Thiago Monteiro | 7$^7$ | 4 | 6 |
| | | | | | 5 | Leonardo Mayer | 6$^3$ | 6 | 1 |
| | Rhett Purcell | 5 | 6 | 1 | 5 | Leonardo Mayer | 6$^3$ | 6 | 1 |
| 5 | Leonardo Mayer | 7 | 4 | 6 | | | | | |