Singles
2018 Dow Tennis Classic
Final
Champion	Madison Brengle
Runner-up	Jamie Loeb
Score	6–1, 6–2
Events
Singles Doubles
← 2017 · Dow Tennis Classic · 2019 →

Tatjana Maria was the defending champion, but chose to compete at the 2018 St. Petersburg Ladies' Trophy instead.

Madison Brengle won the title, defeating Jamie Loeb in the final 6–1, 6–2.

	Semifinals							Final
	1	Mihaela Buzărnescu	4	1
	3/WC	Madison Brengle	6	6
								3/WC	Madison Brengle	6	6
									Jamie Loeb	1	2
		Jamie Loeb	7	4	6
	2	Jennifer Brady	5	6	4

	First round							Second round							Quarterfinals							Semifinals
	1	M Buzărnescu	7	7
		N Broady	5	5				1	M Buzărnescu	1	6	6
		S Vögele	6	6					S Vögele	6	0	2
		AK Schmiedlová	4	3											1	M Buzărnescu	77	4	6
	Q	U Eikeri	1	3												R Peterson	65	6	3
		R Peterson	6	6					R Peterson	7	6
	WC	J Pegula	6	6				WC	J Pegula	5	4
	7	M Duque Mariño	2	1																		1	M Buzărnescu	4	1
	3/WC	M Brengle	6	6																		3/WC	M Brengle	6	6
		J Teichmann	1	1				3/WC	M Brengle	6	6
		J Boserup	67	6	6				J Boserup	2	2
	Q	J Jakšić	79	2	3										3/WC	M Brengle	6	6
		L Kerkhove	1	0											8	E Rodina	1	1
	Q	K Sebov	6	6				Q	K Sebov	3	5
	WC	V Duval	3	2				8	E Rodina	6	7
	8	E Rodina	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	R Hogenkamp	0	1
		C Zhao	6	6					C Zhao	6	6
		I Bara	77	77					I Bara	2	1
	LL	UM Arconada	65	64												C Zhao	2	0
		M Bouzková	4	7	3											J Loeb	6	6
		J Loeb	6	5	6				J Loeb	6	6
	WC	W Osuigwe	2	3				4	S Kenin	3	2
	4	S Kenin	6	6																			J Loeb	7	4	6
	5	S Vickery	77	6																		2	J Brady	5	6	4
	Q	A Li	64	1				5	S Vickery	1	0r
		B Andreescu	6	6					B Andreescu	6	1
		M Doi	2	4												B Andreescu	4	5
		F Abanda	6	6											2	J Brady	6	7
		D Collins	2	2					F Abanda	4	2
		S-j Jang	62	6	2			2	J Brady	6	6
	2	J Brady	77	4	6

• Main Draw