Chicago – Women's singles
2018 Oracle Challenger Series – Chicago
Champion	Petra Martić
Runner-up	Mona Barthel
Score	6–4, 6–1

This was the first edition of the tournament.

Petra Martić won the title, defeating Mona Barthel in the final, 6–4, 6–1.

Seeds

Draw

Finals

	Semifinals							Final
	6	Sachia Vickery
		Mona Barthel	w/o
									Mona Barthel	4	1
								2	Petra Martić	6	6
	4	Tatjana Maria	1	2
	2	Petra Martić	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	D Collins	6	6
		J Fett	2	0				1/WC	D Collins	66	2
		A Blinkova	6	6					A Blinkova	78	6
	WC	F Di Lorenzo	4	3												A Blinkova	4	5
		Kr Plíšková	77	2	2										6	S Vickery	6	7
	WC	A Kiick	63	6	6			WC	A Kiick	4	0
		O Jabeur	4	6	4			6	S Vickery	6	6
	6	S Vickery	6	4	6																	6	S Vickery
	3	Z Diyas	3	6	6																		M Barthel	w/o
		K Kozlova	6	2	1			3	Z Diyas	2	6	3
		L Zhu	7	2	4				M Barthel	6	3	6
		M Barthel	5	6	6											M Barthel	6	77
		E Bouchard	63	4												D Yastremska	2	65
	Q	K Ahn	77	6				Q	K Ahn	63	4
		D Yastremska	6	77					D Yastremska	77	6
	5	P Parmentier	2	62

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	J Larsson	6	1	77
		B Haddad Maia	4	6	63			8	J Larsson	6	3	3
	Q	F Abanda	6	6				Q	F Abanda	2	6	6
	Q	R Anderson	3	1											Q	F Abanda	67	2
		M Brengle	6	6											4	T Maria	79	6
	WC	L Davis	0	0					M Brengle	3	2
	Q	I Falconi	5	3				4	T Maria	6	6
	4	T Maria	7	6																		4	T Maria	1	2
	7	E Rodina	2	3																		2	P Martić	6	6
		S Sorribes Tormo	6	6					S Sorribes Tormo	4	77	4
		K Boulter	6	2	0r			WC	V Lepchenko	6	62	6
	WC	V Lepchenko	4	6	0										WC	V Lepchenko	5	63
		V Kudermetova	6	0	3										2	P Martić	7	77
	Q	S Karatantcheva	3	6	6			Q	S Karatantcheva	4	2
	Q	J Loeb	1	3				2	P Martić	6	6
	2	P Martić	6	6

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Kristie Ahn	6	6
	WC	Michaela Gordon	0	2
								1	Kristie Ahn	2	6	7
									Quinn Gleason	6	4	5
		Quinn Gleason	79	0	6
	8	Karman Thandi	67	6	1

Second qualifier

	First round							Qualifying competition
	2	Irina Falconi	6	6
	PR	Michaëlla Krajicek	1	4
								2	Irina Falconi	6	6
								7	Ashley Kratzer	4	4
		Sanaz Marand	4	0
	7	Ashley Kratzer	6	6

Third qualifier

	First round							Qualifying competition
	3/WC	Jamie Loeb	5	6	6
	WC	Jacqueline Cako	7	3	2
								3/WC	Jamie Loeb	6	6
								10	Asia Muhammad	1	2
	PR	Olga Govortsova	6	3	0
	10	Asia Muhammad	1	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Marie Bouzková	77	3	0r
		Kayla Day	62	6	2
									Kayla Day	6	3	65
									Robin Anderson	2	6	77
		Robin Anderson	5	6	6
	12	Maria Sanchez	7	3	2

Fifth qualifier

	First round							Qualifying competition
	5	Elena Rybakina	6	6
	WC	Naomi Cheong	0	2
								5	Elena Rybakina	2	6	4
								9	Françoise Abanda	6	4	6
		Ana Veselinović	1	3
	9	Françoise Abanda	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Sesil Karatantcheva	6	78
		Jennifer Elie	2	66
								6	Sesil Karatantcheva	3	6	6
								11	Tereza Martincová	6	4	2
		Alexa Guarachi	4	0
	11	Tereza Martincová	6	6

External Links

• Main Draw
• Qualifying Draw