2018 Australian Open – Wheelchair quad singles
| Wheelchair quad singles | |
|---|---|
| 2018 Australian Open | |
| Champion | Dylan Alcott |
| Runner-up | David Wagner |
| Score | 7–6(7–1), 6–1 |
Three-time defending champion Dylan Alcott defeated David Wagner in the final, 7–6(7–1), 6–1 to win the quad singles wheelchair tennis title at the 2018 Australian Open.