2018 U.S. Men's Clay Court Championships – Singles

Steve Johnson was the defending champion and successfully defended his title, defeating Tennys Sandgren in the final, 7–6^(7–2), 2–6, 6–4.

Singles
2018 U.S. Men's Clay Court Championships
Champion	Steve Johnson
Runner-up	Tennys Sandgren
Score	7–6(7–2), 2–6, 6–4
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2018 U.S. Men's Clay Court Championships

Seeds

The top four seeds received a bye into the second round.

1. John Isner (quarterfinals)
2. Sam Querrey (second round)
3. Jack Sock (quarterfinals)
4. Nick Kyrgios (quarterfinals)
5. Fernando Verdasco (first round)
6. Steve Johnson (champion)
7. Ryan Harrison (second round)
8. Tennys Sandgren (final)

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

Finals

	Semifinals							Final
	6	Steve Johnson	7	64	6
		Taylor Fritz	5	77	2
								6	Steve Johnson	77	2	6
								8	Tennys Sandgren	62	6	4
		Ivo Karlović	62	64
	8	Tennys Sandgren	77	77

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	J Isner	6	6
	WC	D Brown	4	3					H Laaksonen	4	2
		H Laaksonen	6	6											1	J Isner	64	6	65
		F Tiafoe	6	6											6	S Johnson	77	4	77
	WC	M McDonald	3	3					F Tiafoe	3	4
		E Escobedo	6	65	2			6	S Johnson	6	6
	6	S Johnson	3	77	6																	6	S Johnson	7	64	6
																							T Fritz	5	77	2
								3	J Sock	6	6
		H Zeballos	6	6					H Zeballos	4	4
	Q	Y Nishioka	1	2											3	J Sock	3	6	4
		T Smyczek	77	2	66											T Fritz	6	3	6
		T Fritz	63	6	78				T Fritz	3	6	6
	Q	M Kecmanović	4	3				7	R Harrison	6	0	3
	7	R Harrison	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	F Verdasco	4	64
	Q	D Kudla	6	77				Q	D Kudla	5	5
		T Daniel	65	4					I Karlović	7	7
		I Karlović	77	6												I Karlović	3	6	6
		B Fratangelo	6	6											4/WC	N Kyrgios	6	2	3
		J Thompson	1	1					B Fratangelo	77	1	2
								4/WC	N Kyrgios	62	6	6
																							I Karlović	62	64
	8	T Sandgren	6	6																		8	T Sandgren	77	77
		B Kavčič	2	2				8	T Sandgren	6	77
		N Kicker	6	6					N Kicker	2	63
		D Young	3	2											8	T Sandgren	4	7	6
	Q	S Kozlov	3	2												G Pella	6	5	3
		G Pella	6	6					G Pella	2	77	77
								2	S Querrey	6	64	63

Qualifying

Seeds

1. Cameron Norrie (first round)
2. Denis Kudla (qualified)
3. Thomaz Bellucci (first round)
4. Michael Mmoh (first round)
5. Bradley Klahn (qualifying competition)
6. Dennis Novikov (qualifying competition)
7. Akira Santillan (qualifying competition)
8. Darian King (first round)

Qualifiers

1. Yoshihito Nishioka
2. Denis Kudla
3. Stefan Kozlov
4. Miomir Kecmanović

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Cameron Norrie	1	4
	WC	Yoshihito Nishioka	6	6
								WC	Yoshihito Nishioka	6	6
								5	Bradley Klahn	2	0
	WC	Christopher Eubanks	67	6	64
	5	Bradley Klahn	79	4	77

Second qualifier

	First round							Qualifying competition
	2	Denis Kudla	6	6
		Reilly Opelka	4	3
								2	Denis Kudla	6	7
									Mitchell Krueger	3	5
		Mitchell Krueger	7	6
	8	Darian King	5	3

Third qualifier

	First round							Qualifying competition
	3	Thomaz Bellucci	77	3	65
		Stefan Kozlov	63	6	77
									Stefan Kozlov	6	6
								7	Akira Santillan	2	0
	Alt	Dominik Köpfer	4	3
	7	Akira Santillan	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Michael Mmoh	1	64
		Miomir Kecmanović	6	77
									Miomir Kecmanović	6	5	6
								6	Dennis Novikov	4	7	3
		Evan King	5	77	4
	6	Dennis Novikov	7	62	6

References

• Main draw
• Qualifying draw