2019 Australian Open – Wheelchair quad singles
# 2019 Australian Open – Wheelchair quad singles

Four-time defending champion Dylan Alcott defeated David Wagner in the final, 6–4, $7–6^{(7–2)}$ to win the quad singles wheelchair tennis title at the 2019 Australian Open.

## Seeds

* Dylan Alcott (champion)
* David Wagner (final)

## 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

### Final

| Final | Final | Final | Final | Final |
| - | - | - | - | - |
| 1 | Dylan Alcott | 6 | $7^7$ | |
| 2 | David Wagner | 4 | $6^2$ | |

### Round robin

| | | Alcott | Davidson | Lapthorne | Wagner | RR W–L | Set W–L | Game W–L | Standings |
| - | - | - | - | - | - | - | - | - | - |
| 1 | Dylan Alcott | | 6–3, 6–2 | w/o | $6–7^{(3–7)},$ 6–4, 7–5 | 3–0 | 6–1 | 43–21 | 1 |
| WC | Heath Davidson | 3–6, 2–6 | | 6–1, 6–1 | $7–6^{(8–6)},$ 5–7, 3–6 | 1–2 | 3–4 | 32–33 | 3 |
| | Andy Lapthorne | w/o | 1–6, 1–6 | | 1–6, 6–4, 4–6 | 0–3 | 1–6 | 13–40 | 4 |
| 2 | David Wagner | $7–6^{(7–3)},$ 4–6, 5–7 | $6–7^{(6–8)},$ 7–5, 6–3 | 6–1, 4–6, 6–4 | | 2–1 | 5–4 | 51–45 | 2 |
