Houston – Men's singles
2018 Oracle Challenger Series – Houston
Champion	Bradley Klahn
Runner-up	Roy Smith
Score	7–6(7–4), 7–6(7–4)

This was the first edition of the tournament.

Bradley Klahn won the title after defeating Roy Smith 7–6^(7–4), 7–6^(7–4) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Kamil Majchrzak	4	3r
	WC	Roy Smith	6	2
								WC	Roy Smith	64	64
								2	Bradley Klahn	77	77
	8	Dominik Köpfer	3	4
	2	Bradley Klahn	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Sandgren	2	5
		K Majchrzak	6	7					K Majchrzak	6	4	6
	WC	Sumit Sarkar	61	1					R Ortega Olmedo	3	6	3
		R Ortega Olmedo	77	6												K Majchrzak	77	62	6
		E Couacaud	6	6											5	J Jung	65	77	3
	WC	R Schneider	4	3					E Couacaud	1	63
		R Cid Subervi	1	1				5	J Jung	6	77
	5	J Jung	6	6																			K Majchrzak	4	3r
	4	P Lorenzi	6	3	6																	WC	R Smith	6	2
		S Kozlov	4	6	4			4	P Lorenzi	4	4
		T-S Kwiatkowski	78	4	6				T-S Kwiatkowski	6	6
		M Krueger	66	6	4											T-S Kwiatkowski	6	65	61
		D King	3	6	64										WC	R Smith	4	77	77
	WC	Roy Smith	6	3	77			WC	R Smith	6	6
	Q	Harrison Adams	6	7				Q	H Adams	3	4
	7	T Smyczek	3	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	D Köpfer	77	3	6
		M Arévalo	64	6	4			8	D Köpfer	6	7
	Q	J Lenz	6	3	66				E Escobedo	1	5
		E Escobedo	4	6	78										8	D Köpfer	6	6
		E Gómez	6	6											3	I Karlović	1	4
		DE Galán	1	4					E Gómez	61	3
		M Giron	4	2				3	I Karlović	77	6
	3	I Karlović	6	6																		8	D Köpfer	3	4
	6	B Fratangelo	3	0r																		2	B Klahn	6	6
		Evan Song	6	0					E Song	6	3	6
	Q	A Galarneau	6	6				Q	A Galarneau	2	6	2
	WC	T Fawcett	3	2												E Song	3	6	1
	Q	Mi Redlicki	6	1	6										2	B Klahn	6	4	6
		J Hernández-Fernández	4	6	4			Q	Mi Redlicki	4	4
		A Sarkissian	1	2				2	B Klahn	6	6
	2	B Klahn	6	6

References

• Main Draw
• Qualifying Draw