Urbana – Singles
2018 JSM Challenger of Champaign–Urbana
Final
Champion	Reilly Opelka
Runner-up	Ryan Shane
Score	7–6(8–6), 6–3
Events
Singles Doubles
← 2017 · JSM Challenger of Champaign–Urbana · 2019 →

Tim Smyczek was the defending champion but chose not to defend his title.

Reilly Opelka won the title after defeating Ryan Shane 7–6^(8–6), 6–3 in the final.

	Semifinals							Final
	Q	Ryan Shane	6	6
		Blaž Rola	4	3
								Q	Ryan Shane	66	3
								4	Reilly Opelka	78	6
	4	Reilly Opelka	2	6	6
		Tommy Paul	6	4	4

	First round							Second round							Quarterfinals							Semifinals
	1	M Granollers	6	6
	Alt	A Ritschard	1	1				1	M Granollers	3	4
	Q	R Shane	6	6				Q	R Shane	6	6
	Q	Keenan Mayo	3	4											Q	R Shane	7	6
	WC	Ezekiel Clark	3	6	3										8	J-P Smith	5	1
		T Garanganga	6	0	6				T Garanganga	3	4
		D Yevseyev	3	61				8	J-P Smith	6	6
	8	J-P Smith	6	77																		Q	R Shane	6	6
	3	P Polansky	7	6																			B Rola	4	3
	WC	P Kypson	5	2				3	P Polansky	3	4
	WC	Alexander Brown	2	66					B Rola	6	6
		B Rola	6	78												B Rola	77	6
	Q	R Roelofse	3	4												S Bangoura	62	3
	LL	Alafia Ayeni	6	6				LL	A Ayeni	77	2	3
		S Bangoura	6	3					S Bangoura	63	6	6
	5	H Laaksonen	4	0r

	First round							Second round							Quarterfinals							Semifinals
	6	N Milojević	3	3
		M Ymer	6	6					M Ymer	1	4
		TK Wang	6	6					TK Wang	6	6
		JC Aragone	3	1												TK Wang	2	2
	WC	S Korda	5	77	4										4	R Opelka	6	6
		K Uchida	7	65	6				K Uchida	77	4	63
		L Glasspool	63	62				4	R Opelka	63	6	77
	4	R Opelka	77	77																		4	R Opelka	2	6	6
	7	C Eubanks	6	3	6																		T Paul	6	4	4
		K King	4	6	3			7	C Eubanks	w/o
		H Heliövaara	3	7	6				H Heliövaara
	Q	M Torpegaard	6	5	4										7	C Eubanks	2	63
		J. J. Wolf	5	5												T Paul	6	77
		Jared Hiltzik	7	7					J Hiltzik	63	4
		T Paul	6	4	6				T Paul	77	6
	2	U Humbert	4	6	2

• Main Draw
• Qualifying Draw