2018 Australian Open – Wheelchair quad singles

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.

Wheelchair quad singles
2018 Australian Open
Champion	Dylan Alcott
Runner-up	David Wagner
Score	7–6(7–1), 6–1

Main article: 2018 Australian Open

Seeds

1. David Wagner (final)
2. Andrew Lapthorne (round robin)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Final

	Final
	1	David Wagner	61	1
		Dylan Alcott	77	6

Round robin

		Wagner	Alcott	Davidson	Lapthorne	RR W–L	Set W–L	Game W–L	Standings
1	David Wagner		6–4, 6–7(4–7), 6–4	6–3, 6–2	w/o	3–0	4–1	30–20	1
	Dylan Alcott	4–6, 7–6(7–4), 4–6		6–2, 6–0	6–1, 6–0	2–1	5–2	39–21	2
WC	Heath Davidson	3–6, 2–6	2–6, 0–6		6–2, 6–1	1–2	2–4	19–27	3
2	Andrew Lapthorne	w/d	1–6, 0–6	2–6, 1–6		0–3	0–4	4–24	4