Joachim Gérard defeated Alfie Hewett in the final, 6–0, 4–6, 6–4 to win the men's singles wheelchair tennis title at the 2021 Australian Open.
| Wheelchair men's singles | |
|---|---|
| 2021 Australian Open | |
| Champion |  Joachim Gérard |
| Runner-up |  Alfie Hewett |
| Score | 6–0, 4–6, 6–4 |
Shingo Kunieda was the defending champion, but was defeated by Hewett in the semifinals.
Seeds edit
Shingo Kunieda (semifinals)
Gustavo Fernández (quarterfinals)
Draw edit
Key edit
- 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 edit
| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 |  Shingo Kunieda
| 6 | 6 | |||||||||||||||||
| WC |  Ben Weekes
| 0 | 1 | |||||||||||||||||
| 1 | Shingo Kunieda
| 3 | 4 | |||||||||||||||||
| Alfie Hewett
| 6 | 6 | ||||||||||||||||||
| Alfie Hewett
| 7 | 6 | ||||||||||||||||||
 Nicolas Peifer
| 5 | 3 | ||||||||||||||||||
| Alfie Hewett
| 0 | 6 | 4 | |||||||||||||||||
| Joachim Gérard
| 6 | 4 | 6 | |||||||||||||||||
| Stéphane Houdet
| 3 | 68 | ||||||||||||||||||
| Joachim Gérard
| 6 | 710 | ||||||||||||||||||
| Joachim Gérard
| 4 | 7 | 6 | |||||||||||||||||
| Gordon Reid
| 6 | 5 | 3 | |||||||||||||||||
| Gordon Reid
| 5 | 6 | 6 | |||||||||||||||||
| 2 |  Gustavo Fernández
| 7 | 4 | 4 | ||||||||||||||||
