Dylan Alcott defeated the defending champion David Wagner in the final, 7–5, 6–2 to win the quad singles wheelchair tennis title at the 2018 US Open.
Seeds
David Wagner (final)
Dylan Alcott (champion)
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 | ||||||
| 2 | Dylan Alcott
| 7 | 6 | |||
| 1 | David Wagner
| 5 | 2 | |||
Round robin
| Wagner
|
Alcott
|
 Lapthorne
|
Barten
|
RR W–L | Set W–L | Game W–L | Standings | ||
| 1 | David Wagner
|
3–6, 5–7 | 6–2, 6–4 | 6–0, 6–1 | 2–1 | 4–2 (67%) | 32–20 (62%) | 2 | |
| 2 | Dylan Alcott
|
6–3, 7–5 | 6–0, 3–6, 6–0 | 6–3, 6–1 | 3–0 | 6–1 (86%) | 40–18 (69%) | 1 | |
| Andrew Lapthorne
|
2–6, 4–6 | 0–6, 6–3, 0–6 | 6–1, 6–4 | 1–2 | 3–4 (43%) | 24–32 (43%) | 3 | ||
| WC | Bryan Barten
|
0–6, 1–6 | 3–6, 1–6 | 1–6, 4–6 | 0–3 | 0–6 (0%) | 10–36 (22%) | 4 |
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.