2026 Australian Open – Wheelchair quad singles
| Wheelchair quad singles | |
|---|---|
| 2026 Australian Open | |
| Champion | Niels Vink |
| Runner-up | Sam Schröder |
| Score | 6–3, 7–6(7–5) |
| Draw | 16 |
| Seeds | 4 |
Niels Vink defeating four-time defending champion Sam Schröder in a rematch of the previous year's final, 6–3, 7–6(7–5) to win the quad singles wheelchair tennis title at the 2026 Australian Open. It was his first Australian Open singles title and eighth major singles title overall, completing the career Golden Slam.