2020 Australian Open – Wheelchair men's singles
# 2020 Australian Open – Wheelchair men's singles

Shingo Kunieda defeated Gordon Reid in the final, 6–4, 6–4 to win the men's singles wheelchair tennis title at the 2020 Australian Open. It was his tenth Australian Open singles title and 23rd major singles title overall.

Gustavo Fernández was the defending champion, but was defeated by Reid in the quarterfinals.

## Seeds

* Shingo Kunieda (champion)
* Gustavo Fernández (quarterfinals)

## 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

### Bracket

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | Shingo Kunieda | 6 | 6 | | | | | | | | | |
| | Nicolas Peifer | 4 | 4 | | | | | | | | | |
| | Nicolas Peifer | 4 | 4 | | 1 | Shingo Kunieda | 6 | 6 | | | | |
| | | | | | | Alfie Hewett | 3 | 3 | | | | |
| | Stéphane Houdet | 3 | 4 | | | Alfie Hewett | 3 | 3 | | | | |
| | Alfie Hewett | 6 | 6 | | | | | | | | | |
| | Alfie Hewett | 6 | 6 | | | | | | 1 | Shingo Kunieda | 6 | 6 |
| | | | | | | | | | | Gordon Reid | 4 | 4 |
| WC | Ben Weekes | 0 | 2 | | | | | | | | | | Gordon Reid | 4 | 4 |
| | Joachim Gérard | 6 | 6 | | | | | | | | | |
| | Joachim Gérard | 6 | 6 | | | Joachim Gérard | 4 | 5 | | | | |
| | | | | | | Gordon Reid | 6 | 7 | | | | |
| | Gordon Reid | 6 | $6^3$ | 6 | | Gordon Reid | 6 | 7 | | | | |
| 2 | Gustavo Fernández | 3 | $7^7$ | 2 | | | | | | | | |
