2018 US Open – Wheelchair men's singles
| Wheelchair men's singles | |
|---|---|
| 2018 US Open | |
| Champion |  Alfie Hewett |
| Runner-up |  Shingo Kunieda |
| Score | 6–3, 7–5 |
Stéphane Houdet was the defending champion, but lost to Nicolas Peifer in the quarterfinals.
Alfie Hewett won his first title, defeating Shingo Kunieda in the final, 6–3, 7–5.
Seeds
Shingo Kunieda (Final)
Alfie Hewett (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
Bracket
| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Shingo Kunieda
| 0 | 6 | 6 | ||||||||||||||||
 Stefan Olsson
| 6 | 1 | 3 | |||||||||||||||||
| 1 | Shingo Kunieda
| 2 | 6 | 7 | ||||||||||||||||
| WC |  Nicolas Peifer
| 6 | 4 | 5 | ||||||||||||||||
| Stéphane Houdet
| 2 | 2 | ||||||||||||||||||
| WC | Nicolas Peifer
| 6 | 6 | |||||||||||||||||
| 1 | Shingo Kunieda
| 3 | 5 | |||||||||||||||||
| 2 | Alfie Hewett
| 6 | 7 | |||||||||||||||||
| Gordon Reid
| 1 | 4 | ||||||||||||||||||
 Gustavo Fernández
| 6 | 6 | ||||||||||||||||||
| Gustavo Fernández
| 62 | 1 | ||||||||||||||||||
| 2 | Alfie Hewett
| 77 | 6 | |||||||||||||||||
 Joachim Gérard
| 5 | 4 | ||||||||||||||||||
| 2 | Alfie Hewett
| 7 | 6 | |||||||||||||||||