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Wheelchair men's singles
2018 US Open
Final
Champion	Alfie Hewett
Runner-up	Shingo Kunieda
Score	6–3, 7–5
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends men women mixed
← 2017 · US Open · 2019 →

Alfie Hewett defeated Shingo Kunieda in the final, 6–3, 7–5 to win the men's singles wheelchair tennis title at the 2018 US Open. It was his first US Open singles title and second major singles title overall.

Stéphane Houdet was the defending champion, but was defeated by Nicolas Peifer in the quarterfinals.

	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

• Draw